Notices
Safety information
Conventions used in this guide
Where to find more information
Package contents
Chapter 1: Getting started
Chapter 2: Connecting devices to your computer
Chapter 3: Using your computer
- Proper posture when using your Desktop PC
- Using the optical drive
Chapter 4: Connecting to the Internet
- Wired connection
- Wi-Fi connection (on selected models only)
Chapter 5: Troubleshooting
- Troubleshooting
Appendix: Windows® 10 User Manual
ASUS contact information
- ASUS contact information

ASUS G20CI-0021A770GXT User Manual

Displayed below is the user manual for G20CI-0021A770GXT by ASUS which is a product in the PCs/Workstations category. This manual has pages.

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Desktop PC

G20CI

User Guide

No part of this manual, including the products and software described in it, may be reproduced, transmitted,

transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except

documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK

Computer Inc. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modiﬁed or altered, unless such

repair, modiﬁcation of alteration is authorized in writing by ASUS; or (2) the serial number of the product is

defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,

INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS

FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE

LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR

LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF

ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS

MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE

ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A

COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES

THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights

of their respective companies, and are used only for identiﬁcation or explanation and to the owners’ beneﬁt,

without intent to infringe.

E12139

First Edition (V1)

October 2016

Contents

Notices ................................................................................................................................................ 4

Safety information ...........................................................................................................................8

Conventions used in this guide................................................................................................... 9

Where to ﬁnd more information .................................................................................................9

Package contents ...........................................................................................................................10

Chapter 1: Getting started

Welcome! ........................................................................................................................................... 11

Getting to know your computer ...............................................................................................11

Setting up your computer...........................................................................................................16

Turning your computer ON ........................................................................................................17

Chapter 2: Connecting devices to your computer

Connecting a USB storage device ............................................................................................19

Connecting microphone and speakers ..................................................................................20

Connecting multiple external displays ..................................................................................23

Chapter 3: Using your computer

Proper posture when using your Desktop PC ...................................................................... 25

Using the optical drive .................................................................................................................26

Chapter 4: Connecting to the Internet

Wired connection ........................................................................................................................... 27

Wi-Fi connection (on selected models only) ........................................................................31

Chapter 5: Troubleshooting

Troubleshooting .............................................................................................................................33

Appendix: Windows® 10 User Manual

Starting for the ﬁrst time .............................................................................................................43

Using the Windows® 10 UI ...........................................................................................................44

Keyboard shortcuts .......................................................................................................................48

ASUS contact information

ASUS contact information ...........................................................................................................50

Notices

ASUS Recycling/Takeback Services

ASUS recycling and takeback programs come from our commitment to the highest standards for

protecting our environment. We believe in providing solutions for you to be able to responsibly

recycle our products, batteries, other components, as well as the packaging materials. Please go to

http://csr.asus.com/english/Takeback.htm for the detailed recycling information in diﬀerent regions.

REACH

Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals)

regulatory framework, we published the chemical substances in our products at ASUS REACH

website at http://csr.asus.com/english/REACH.htm

Federal Communications Commission Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

conditions:

• Thisdevicemaynotcauseharmfulinterference;and

• Thisdevicemustacceptanyinterferencereceivedincludinginterferencethatmaycause

undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses and can

radiate radio frequency energy and, if not installed and used in accordance with manufacturer’s

instructions, may cause harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can be determined by turning the

equipment oﬀ and on, the user is encouraged to try to correct the interference by one or more of

the following measures:

• Reorientorrelocatethereceivingantenna.

• Increasetheseparationbetweentheequipmentandreceiver.

• Connecttheequipmenttoanoutletonacircuitdierentfromthattowhichthereceiveris

connected.

• Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

The use of shielded cables for connection of the monitor to the graphics card is required to

assure compliance with FCC regulations. Changes or modiﬁcations to this unit not expressly

approved by the party responsible for compliance could void the user’s authority to operate this

equipment.

Lithium Battery Warning

CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the same

or equivalent type recommended by the manufacturer. Dispose of used batteries according

to the manufacturer’s instructions.

IC: Canadian Compliance Statement

Complies with the Canadian ICES-003 Class B speciﬁcations. This device complies with RSS 210

of Industry Canada. This Class B device meets all the requirements of the Canadian interference-

causing equipment regulations.

This device complies with Industry Canada license exempt RSS standard(s). Operation is subject

to the following two conditions: this device may not cause interference, and (2) this device must

accept any interference, including interference that may cause undesired operation of the device.

Cut appareil numérique de la Classe B est conforme à la norme NMB-003 du Canada. Cet appareil

numérique de la Classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du

Canada.

Cet appareil est conforme aux normes CNR exemptes de licence d’Industrie Canada. Le

fonctionnement est soumis aux deux conditions suivantes.

(1) cet appareil ne doit par provoquer d’interférences et

(2) cet appareil doit accepter toute interférence, y compris celles susceptibles de provoquer un

fonctionnement non souhaité de l’appareil.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital

apparatus set out in the Radio Interference Regulations of the Canadian Department of

Communications.

This class B digital apparatus complies with Canadian ICES-003.

KC: Korea Warning Statement

Avertissement relatif aux batteries Lithium-Ion

MISE EN GARDE: Danger d’explosion si la pile n’est pas remplacée correctement.

Remplacer uniquement avec une pile de type semblable ou équivalent, recommandée

par le fabricant. Mettez au rebut les batteries usagées conformément aux instructions

du fabricant.

VCCI: Japan Compliance Statement

VCCI Class B Statement

This is a Class B product based on the standard of the VCCI Council. If this is used near a radio or

television receiver, it may cause radio interference. Install and use equipment according to the

instruction manual.

Equipment registered based on the conﬁrmation measurement at the user

installation site.

This is a product for which interference was measured at the present installation site and conﬁrmed

to comply with the standard of Voluntary Control Council for Interference by Information

Technology Equipment (VCCI). Before using the equipment at any location other than the present

installation site, the member shall measure interference for conﬁrmation and register the result to

VCCI.

RF Equipment Notices

CE: European Community Compliance Statement

The equipment complies with the RF Exposure Requirement 1999/519/EC, Council

Recommendation of 12 July 1999 on the limitation of exposure of the general public to

electromagnetic ﬁelds (0–300 GHz). This wireless device complies with the R&TTE Directive.

Wireless Radio Use

This device is restricted to indoor use when operating in the 5.15 to 5.25 GHz frequency band.

Exposure to Radio Frequency Energy

The radiated output power of the Wi-Fi technology is below the FCC radio frequency exposure

limits. Nevertheless, it is advised to use the wireless equipment in such a manner that the potential

for human contact during normal operation is minimized.

FCC Bluetooth Wireless Compliance

The antenna used with this transmitter must not be colocated or operated in conjunction with any

other antenna or transmitter subject to the conditions of the FCC Grant.

Bluetooth Industry Canada Statement

This Class B device meets all requirements of the Canadian interference-causing equipment

regulations.

Cet appareil numérique de la Class B respecte toutes les exigences du Règlement sur le matériel

brouilleur du Canada.

BSMI: Taiwan Wireless Statement

Japan RF Equipment Statement

KC (RF Equipment)

Safety information

Disconnect the AC power and peripherals before cleaning. Wipe the Desktop PC using a clean

cellulose sponge or chamois cloth dampened with solution of nonabrasive detergent and a few

drops of warm water then remove any extra moisture with a dry cloth.

• DO NOT place on uneven or unstable work surfaces. Seek servicing if the casing has been

damaged.

• DO NOT expose to dirty or dusty environments. DO NOT operate during a gas leak.

• DO NOT place or drop objects on top and do not shove any foreign objects into the Desktop

PC.

• DO NOT expose to strong magnetic or electrical ﬁelds.

• DO NOT expose to or use near liquids, rain, or moisture. DO NOT use the modem during

electrical storms.

• Batterysafetywarning:DO NOT throw the battery in ﬁre. DO NOT short circuit the contacts.

DO NOT disassemble the battery.

• Usethisproductinenvironmentswithambienttemperaturesbetween0˚C(32˚F)and40˚C

(104˚F).

• DO NOT cover the vents on the Desktop PC to prevent the system from getting overheated.

• DO NOT use damaged power cords, accessories, or other peripherals.

•

To prevent electrical shock hazard, disconnect the power cable from the electrical outlet

before relocating the system.

•

Seek professional assistance before using an adapter or extension cord. These devices could

interrupt the grounding circuit.

•

Ensure that your power supply is set to the correct voltage in your area. If you are not sure

about the voltage of the electrical outlet you are using, contact your local power company.

•

If the power supply is broken, do not try to ﬁx it by yourself. Contact a qualiﬁed service

technician or your retailer.

Hazardous moving parts. Desktop should be completely shutdown before servicing product.

Replacing fan components should only be attempted by qualiﬁed service personnel.

Hazardous Moving Parts Warning

WARNING: Keep ﬁngers and other body parts away from any moving parts.

Conventions used in this guide

To ensure that you perform certain tasks properly, take note of the following symbols used

throughout this manual.

Where to ﬁnd more information

Refer to the following sources for additional information and for product and software updates.

ASUS websites

The ASUS website provides updated information on ASUS hardware and software products.

Refer to the ASUS website www.asus.com.

ASUS Local Technical Support

Visit ASUS website at http://support.asus.com/contact for the contact information of local

Technical Support Engineer.

DANGER/WARNING: Information to prevent injury to yourself when trying to

complete a task.

CAUTION: Information to prevent damage to the components when trying to

complete a task.

IMPORTANT: Instructions that you MUST follow to complete a task.

NOTE: Tips and additional information to help you complete a task.

Package contents

• Ifanyoftheaboveitemsisdamagedormissing,contactyourretailer.

• Theillustrateditemsaboveareforreferenceonly.Actualproductspecicationsmayvarywith

diﬀerent models.

Desktop PC

G20CI

Keyboard x1 Mouse x1

Power cord x1

2nd Power cord x1 (on

selected models only)

Power adapter x1

2nd adapter x1 (on selected

models only)

Warranty Card x1

Installation Guide

Installation Guide x1

Welcome!

Thank you for purchasing the ASUS Desktop PC!

The ASUS Desktop PC provides cutting-edge performance, uncompromised reliability, and user-

centric utilities. All these values are encapsulated in a stunningly futuristic and stylish system

casing.

Read the ASUS Warranty Card before setting up your ASUS Desktop PC.

Getting to know your computer

Illustrations are for reference only. The ports, their locations and the chassis color vary with

diﬀerent models.

ASUS G20CI 11

Chapter 1

Getting started

Front

Power button. Press this button to turn on your computer.

Optical disk drive bay. There is an optical disk drive in this bay.

Optical disk drive eject button. Press this button to eject the optical disk drive tray.

USB 3.1 Gen1 ports. These ports connect to USB 3.1 Gen1 devices such as a mouse,

printer, scanner, camera, PDA, and others.

• DONOTconnectakeyboard/mousetoanyUSB3.1Gen1portwheninstallingWindows®

operating system.

• DuetoUSB3.1Gen1controllerlimitations,USB3.1Gen1devicescanonlybeusedundera

Windows® OS environment and after USB 3.1 Gen1 driver installation.

• USB3.1Gen1devicescanonlybeusedasdatastorageonly.

• WestronglyrecommendthatyouconnectUSB3.1Gen1devicestoUSB3.1Gen1portsfor

faster and better performance for your USB 3.1 Gen1 devices.

Microphone port. This port connects to a microphone.

Headphone port. This port connects to a headphone or speaker.

LED Lighting Eﬀect. Customizable via the lighting control in ASUS Command, this LED

lighting eﬀect shows through the pattern.

12 Chapter 1: Getting started

ENGLISH

Rear

USB 3.1 Gen2 ports. These 9-pin Universal Serial Bus (USB) ports connect to USB 3.1

Gen2 devices.

USB 3.1 Gen1 ports. These ports connect to USB 3.1 Gen1 devices such as a mouse,

printer, scanner, camera, PDA, and others.

• DONOTconnectakeyboard/mousetoanyUSB3.1Gen1portwheninstallingWindows®

operating system.

• DuetoUSB3.1Gen1controllerlimitations,USB3.1Gen1devicescanonlybeusedundera

Windows® OS environment and after USB 3.1 Gen1 driver installation.

• USB3.1Gen1devicescanonlybeusedasdatastorageonly.

• WestronglyrecommendthatyouconnectUSB3.1Gen1devicestoUSB3.1Gen1portsfor

faster and better performance for your USB 3.1 Gen1 devices.

ASUS G20CI 13

ENGLISH

Audio 2.1, 4.1, 5.1, or 7.1-channel conﬁguration

LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)

through a network hub.

Activity/Link LED Speed LED

Status Description Status Description

OFF No link OFF 10Mbps connection

ORANGE Linked ORANGE 100Mbps connection

BLINKING Data activity GREEN 1Gbps connection

LAN port

SPEED

LED

ACT/LINK

LED

Line In port (light blue). This port connects to a tape, CD, DVD player, or other audio

sources.

Line Out port (lime). This port connects to a headphone or speaker. In a 4.1, 5.1,

or 7.1-channel conﬁguration, the function of this port becomes Front Speaker Out.

Supported by ASUS Audio Wizard.

Microphone port (pink). This port connects to a microphone.

Center/Subwoofer port (orange). This port connects to the center/subwoofer

speakers.

Rear Speaker Out port (black). This port connects to the rear speakers in a 4, 6, and

8-channel audio conﬁguration.

Optical S/PDIF out port. This port allows you to connect your PC to ampliﬁed speakers,

headphones, or Sony/Phillips Digital Interconnect Format (S/PDIF) compliant devices.

Refer to the audio conﬁguration table below for the function of the audio ports in a 2.1, 4.1,

5.1, or 7.1-channel conﬁguration.

Port Headset 2.1-channel 4.1-channel 5.1-channel 7.1-channel

Light Blue Line In Line In Line In Side Speaker Out

Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out

Pink Mic In Mic In Mic In Mic In

Orange - - Center/Subwoofer Center/Subwoofer

Black - Rear Speaker Out Rear Speaker Out Rear Speaker Out

14 Chapter 1: Getting started

ENGLISH

ASUS Graphics Cards. The display output ports on these optional ASUS Graphics Cards

may vary with diﬀerent models.

USB 3.1 Gen2 Type C port. This Universal Serial Bus (USB) Type C port is for USB 3.1

Gen2 mobile or peripheral devices.

Power jack 1. This port connects to a 180W adapter (Dual adapters needed on selected

models).

Adapter rating:

• 180W

Input rating: 100-240V ~ 50-60Hz 2.34A

Output rating: 19.5V 9.23A

Power jack 2. This port connects to a 230W adapter (Dual adapters needed on selected

models).

Adapter rating:

• 230W

Input rating: 100-240V ~ 3.2A 50-60Hz

Output rating: 19.5V 11.8A

Air vents. These vents allow air ventilation.

DO NOT block the air vents on the chassis. Always provide proper ventilation for your

computer.

USB 3.1 Gen1 ports. These ports connect to USB 3.1 Gen1 devices such as a mouse,

printer, scanner, camera, PDA, and others.

ASUS G20CI 15

ENGLISH

Setting up your computer

This section guides you through connecting the main hardware devices, such as the external

monitor, keyboard, mouse, and power cord, to your computer.

Connecting an external monitor

To connect an external monitor:

1. Connect your monitor to the graphic output port of the discrete graphic card.

2. Plug the monitor to a power source.

Connecting a USB keyboard and a USB mouse

Connect a USB keyboard and a USB mouse to the USB ports on the rear panel of your computer.

16 Chapter 1: Getting started

ENGLISH

3. Wait until the operating system loads automatically.

For details on shutting down your Desktop PC, refer to the Windows® 10 User Manual, which can

be found in this manual.

Power button

Turning your computer ON

This section describes how to turn on your computer after setting up your computer.

Turning your computer ON

To turn your computer ON:

1. Turn your monitor ON.

2. Press the power button on your computer.

ASUS G20CI 17

ENGLISH

18 Chapter 1: Getting started

ENGLISH

Connecting a USB storage device

This desktop PC provides USB 2.0/1.1, USB 3.1 Gen1 and USB 3.1 Gen2 ports on the front and rear

panels. The USB ports allow you to connect USB devices such as storage devices.

To connect a USB storage device:

 • InserttheUSBstoragedevicetoyourcomputer.

Front panel Rear panel

ASUS G20CI 19

ENGLISH

Chapter 2

Connecting devices to your computer

Connecting Headphone and Mic

Connecting microphone and speakers

This desktop PC comes with microphone ports and speaker ports on both the front and rear panels.

The audio I/O ports located on the rear panel allow you to connect 2.1-channel, 4.1-channel,

5.1-channel, and 7.1-channel stereo speakers.

Connecting 2.1-channel Speakers

20 Chapter 2: Connecting devices to your computer

ENGLISH

Connecting 4.1-channel Speakers

Connecting 5.1-channel Speakers

ASUS G20CI 21

ENGLISH

Connecting 7.1-channel Speakers

22 Chapter 2: Connecting devices to your computer

ENGLISH

Connecting multiple external displays

Your desktop PC may come with VGA, HDMI, or DVI ports and allows you to connect multiple

external displays.

Setting up multiple displays

When using multiple monitors, you are allowed to set display modes. You can use the additional

monitor as a duplicate of your main display, or as an extension to enlarge your Windows desktop.

To set up multiple displays:

1. Turn oﬀ your computer.

2. Connect the two monitors to your computer and connect the power cords to the monitors.

Refer to Setting up your computer section in Chapter 1 for details on how to connect a

monitor to your computer.

3. Turn on your computer.

4. From the Start menu, click Settings > System > Display.

5. Conﬁgure the settings for your displays.

For some graphic cards, only the monitor that is set to be the primary display has display during

POST. The dual display function works only under Windows.

ASUS G20CI 23

ENGLISH

24 Chapter 2: Connecting devices to your computer

ENGLISH

ASUS G20CI 25

ENGLISH

Chapter 3

Using your computer

Proper posture when using your Desktop PC

When using your Desktop PC, maintaining the proper posture is necessary to prevent strain to your

wrists, hands, and other joints or muscles. This section provides you with tips on avoiding physical

discomfort and possible injury while using and fully enjoying your Desktop PC.

Eye level to the top of

the monitor screen

Foot rest

90˚ angles

To maintain the proper posture:

• Positionyourcomputerchairtomakesurethatyourelbowsareatorslightlyabovethe

keyboard to get a comfortable typing position.

• Adjusttheheightofyourchairtomakesurethatyourkneesareslightlyhigherthanyour

hips to relax the backs of your thighs. If necessary, use a footrest to raise the level of your

knees.

• Adjustthebackofyourchairsothatthebaseofyourspineisrmlysupportedandangled

slightly backward.

• Situprightwithyourknees,elbowsandhipsatanapproximately90ºanglewhenyouareat

the PC.

• Placethemonitordirectlyinfrontofyou,andturnthetopofthemonitorscreenevenwith

your eye level so that your eyes look slightly downward.

• Keepthemouseclosetothekeyboard,andifnecessary,useawristrestforsupportto

reduce the pressure on your wrists while typing.

• UseyourDesktopPCinacomfortably-litarea,andkeepitawayfromsourcesofglaresuchas

windows and straight sunlight.

• Takeregularmini-breaksfromusingyourDesktopPC.

Using the optical drive

Inserting an optical disc

To insert an optical disc:

1. While your system is on, press the eject button to open the tray.

2. Place the disc on the optical drive with the label side outward if the desktop is positioned

vertically and the label side up if the desktop is positioned horizontally.

3. Push the tray gently to close it.

4. Select a program from the AutoPlay window to access your ﬁles.

If AutoPlay is NOT enabled in your computer, to access the data on an optical disc:

 • FromtheStartmenu,clickFile Explorer, and then double-click the CD/DVD drive icon.

Removing an optical disc

To remove an optical disc:

1. While the system is on, do either of the following to eject the tray:

• Presstheejectbuttonbelowthedrivebaycover.

• FromtheStartmenu,clickFile Explorer, right-click the CD/DVD drive icon, and click

Eject.

2. Remove the disc from the disc tray.

26 Chapter 3: Using your computer

ENGLISH

Wired connection

Use an RJ-45 cable to connect your computer to a DSL/cable modem or a local area network (LAN).

Connecting via a DSL/cable modem

To connect via a DSL/cable modem:

1. Set up your DSL/cable modem.

Refer to the documentation that came with your DSL/cable modem.

2. Connect one end of an RJ-45 cable to the LAN (RJ-45) port on the rear panel of your

computer and the other end to a DSL/cable modem.

Modem

RJ-45 cable

3. Turn on the DSL/cable modem and your computer.

4. Conﬁgure the necessary Internet connection settings.

• ContactyournetworkadministratorfordetailsorassistanceinsettingupyourInternet

connection.

• Formoredetails,refertothesectionsConﬁguring a dynamic IP/PPPoE network connection

or Conﬁguring a static IP network connection.

ASUS G20CI 27

ENGLISH

Chapter 4

Connecting to the Internet

LAN

RJ-45 cable

Connecting via a local area network (LAN)

To connect via a LAN:

1. Connect one end of an RJ-45 cable to the LAN (RJ-45) port on the rear panel of your

computer and the other end to your LAN.

2. Turn on your computer.

3. Conﬁgure the necessary Internet connection settings.

• ContactyournetworkadministratorfordetailsorassistanceinsettingupyourInternet

connection.

• Formoredetails,refertothesectionsConﬁguring a dynamic IP/PPPoE network connection

or Conﬁguring a static IP network connection.

28 Chapter 4: Connecting to the Internet

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Conﬁguring a dynamic IP/PPPoE network connection

To conﬁgure a dynamic IP/PPPoE network connection:

1. Launch Network and Sharing Center in either of these two ways:

a) From the taskbar, right-click , then click Open Network and Sharing Center.

b) From the Start menu, click Settings > Network & Internet > Ethernet > Network and

Sharing Center.

2. From the Open Network and Sharing Center screen, click Change Adapter settings.

3. Right-click on your LAN and select

Properties.

4. Click Internet Protocol Version 4(TCP/

IPv4) and click Properties.

5. Click Obtain an IP address automatically

and click OK.

Continue to the next steps if you are using PPPoE connection.

ASUS G20CI 29

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8. Select Connect to the Internet and

click Next.

7. Return to the Network and

Sharing Center and then click

Set up a new connection or

network.

9. Select Broadband (PPPoE) and click

Next.

10. Follow the next onscreen instructions to

complete the setup.

Conﬁguring a static IP network connection

To conﬁgure a static IP network connection:

1. Repeat steps 1 to 4 of the previous section.

2 Click Use the following IP address.

3. Enter the IP address, Subnet mask and Gateway

from your service provider.

4. If needed, enter the preferred DNS Server

address and alternative address.

5. When done, click OK.

30 Chapter 4: Connecting to the Internet

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Wi-Fi connection (on selected models only)

Connect your computer to the Internet through a wireless connection.

To establish a wireless connection, you need to connect to a wireless access point (AP).

To increase the range and sensitivity of the wireless radio signal, connect the external antennas

to the antenna connectors on the ASUS WLAN Card.

Modem

Wireless AP

ASUS G20CI 31

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32 Chapter 4: Connecting to the Internet

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ASUS G20CI 33

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Chapter 5

Troubleshooting

This chapter presents some problems you might encounter and the possible solutions.

My computer cannot be powered on and the power LED on the front panel

does not light up.

• Checkifyourcomputerisproperlyconnected.

• Checkifthewalloutletisfunctioning.

• CheckifthePowerSupplyUnitisswitchedon.RefertothesectionTurning your

computer ON in Chapter 1.

My computer hangs.

• Dothefollowingtoclosetheprogramsthatarenotresponding:

1. Simultaneously press <Alt> + <Ctrl> + <Delete> keys on the keyboard, then

click Task Manager.

2. Select the program that is not responding, then click End Task.

• Ifthekeyboardisnotresponding,pressandholdthePowerbuttononthetopof

your chassis until the computer shuts down. Then press the Power button to turn it

on.

I cannot connect to a wireless network using the ASUS WLAN Card (on

selected models only)?

• Ensurethatyouenterthecorrectnetworksecuritykeyforthewirelessnetworkyou

want to connect to.

• Connecttheexternalantennas(optional)totheantennaconnectorsontheASUS

WLAN Card and place the antennas on the top of your computer chassis for the

best wireless performance.

The arrow keys on the number key pad are not working.

Check if the Number Lock LED is oﬀ. When the Number Lock LED is on, the keys on

the number key pad are used to input numbers only. Press the Number Lock key to

turn the LED oﬀ if you want to use the arrow keys on the number key pad.

34 Chapter 5: Troubleshooting

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No display on the monitor.

• Checkifthemonitorispoweredon.

• Ensurethatyourmonitorisproperlyconnectedtothevideooutputportonyour

computer.

• Ifyourcomputercomeswithadiscretegraphicscard,ensurethatyouconnectyour

monitor to a video output port on the discrete graphics card.

• Checkifanyofthepinsonthemonitorvideoconnectorisbent.Ifyoudiscover

bent pins, replace the monitor video connector cable.

• Checkifyourmonitorispluggedtoapowersourceproperly.

• Refertothedocumentationthatcamewithyourmonitorformoretroubleshooting

information.

When using multiple monitors, only one monitor has display.

• Ensurethatthebothmonitorsarepoweredon.

• DuringPOST,onlythemonitorconnectedtotheVGAporthasdisplay.Thedual

display function works only under Windows.

• Whenagraphicscardisinstalledonyourcomputer,ensurethatyouconnectthe

monitors to the output port on the graphics card.

• Checkifthemultipledisplayssettingsarecorrect.

My computer cannot detect my USB storage device.

• ThersttimeyouconnectyourUSBstoragedevicetoyourcomputer,Windows

automatically installs a driver for it. Wait for a while and go to My Computer to

check if the USB storage device is detected.

• ConnectyourUSBstoragedevicetoanothercomputertotestiftheUSBstorage

device is broken or malfunctions.

I want to restore or undo changes to my computer’s system settings

without aﬀecting my personal ﬁles or data.

You can use Windows® 10 Refresh your PC without aﬀecting your ﬁles recovery

option to restore or undo changes to your computer’s system settings without

aﬀecting your personal data such as documents or photos. To use this recovery

option, click Settings > Update & recovery > Recovery from the Start menu,

select Refresh your PC without aﬀecting your ﬁles, and click Get started.

ASUS G20CI 35

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The picture on the HDTV is distorted.

• ItiscausedbythedierentresolutionsofyourmonitorandyourHDTV.Adjustthe

screen resolution to ﬁt your HDTV. To change the screen resolution:

 • FromtheStartmenu,clickSettings > System > Display.

My speakers produce no sound.

• EnsurethatyouconnectyourspeakerstotheLineoutport(lime)onthefrontpanel

or the rear panel.

• Checkifyourspeakisconnectedtoanelectricalsourceandturnedon.

• Adjustyourspeakers’volume.

• Ensurethatyourcomputer’ssystemsoundsarenotMuted.

• Ifitismuted,thevolumeiconisdisplayedas . To enable the system

sounds, click from the Windows notiﬁcation area, then click .

• Ifitisnotmuted,click and drag the slider to adjust the volume.

• Connectyourspeakerstoanothercomputertotestifthespeakersarerworking

properly.

The DVD drive cannot read a disc.

• Checkifthediscisplacedwiththelabelsidefacingup.

• Checkifthedisciscenteredinthetray,especiallyforthediscswith

non-standard size or shape.

• Checkifthediscisscratchedordamaged.

The DVD drive eject button is not responding.

1. Hover your mouse pointer over the lower left corner of Windows® desktop then

right-click on the Start Screen’s thumbnail. From the popup menu, click File

Explorer to open the Computer screen.

2. Right-click , then click Eject from the menu.

36 Chapter 5: Troubleshooting

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Power

Problem Possible Cause Action

No power

(The power

indicator is oﬀ)

Incorrect power voltage

•Setyourcomputer’spowervoltage

switch to your area’s power

requirements.

•Adjustthevoltagesettings.Ensurethat

the power cord is unplugged from the

power outlet.

Your computer is not turned

on.

Press the power key on the front panel to

ensure that your computer is turned on.

Your computer’s power cord

is not properly connected.

•Ensurethatthepowercordisproperly

connected.

•Useothercompatiblepowercord.

PSU (Power supply unit)

problems

Contact the ASUS Service Center about

installing another PSU on your computer.

Display

Problem Possible Cause Action

No display output

after turning the

computer on

(Black screen)

The signal cable is not

connected to the correct

VGA port on your computer.

•Connectthesignalcabletothecorrect

display port (onboard VGA or discrete

VGA port).

•IfyouareusingadiscreteVGAcard,

connect the signal cable to the discrete

VGA port.

Signal cable problems Try connecting to another monitor.

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LAN

Problem Possible Cause Action

Cannot access the

Internet

The LAN cable is not

connected.

Connect the LAN cable to your

computer.

LAN cable problems

Ensure the LAN LED is on. If not, try

another LAN cable. If it still does not

work, contact the ASUS service center.

Your computer is not

properly connected to a

router or hub.

Ensure that your computer is properly

connected to a router or hub.

Network settings Contact your Internet Service Provider

(ISP) for the correct LAN settings.

Problems caused by the anti-

virus software Close the anti-virus software.

Driver problems Reinstall the LAN driver

Audio

Problem Possible Cause Action

No Audio

Speaker or headphone is

connected to the wrong port.

•Refertoyourcomputer’susermanual

for the correct port.

•Disconnectandreconnectthespeaker

to your computer.

Speaker or headphone does

not work.

Try using another speaker or

headphone.

The front and back audio

ports do not work.

Try both the front and back audio ports.

If one port failed, check if the port is set

to multi-channel.

Driver problems Reinstall the audio driver

38 Chapter 5: Troubleshooting

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System

Problem Possible Cause Action

System speed is

too slow

Too many programs are

running. Close some of the programs.

Computer virus attack

•Useananti-virussoftwaretoscanfor

viruses and repair your computer.

•Reinstalltheoperatingsystem.

The system often

hangs or freezes.

Hard disk drive failure

•Sendthedamagedharddiskdriveto

ASUS Service Center for servicing.

•Replacewithanewharddiskdrive.

Memory module problems

•Replacewithcompatiblememory

modules.

•Removetheextramemorymodules

that you have installed, then try again.

•Contact the ASUS Service Center for

assistance.

There is not enough

air ventilation for your

computer.

Move your computer to an area with

better air ﬂow.

Incompatible softwares are

installed.

Reinstall the OS and reinstall

compatible softwares.

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CPU

Problem Possible Cause Action

Too noisy right

after turning on the

computer.

Your computer is booting up.

It is normal. The fan runs on its full

speed when the computer is powering

on. The fan slows down after entering

the OS.

The BIOS settings have been

changed. Restore the BIOS to its default settings.

Old BIOS version

Update the BIOS to the latest version.

Visit the ASUS Support site at http://

support.asus.com to download the

latest BIOS versions.

Computer is too

noisy when in use.

The CPU fan has been

replaced.

Ensure that you are using a compatible

or ASUS-recommended CPU fan.

There is not enough air

ventilation for the computer.

Ensure that your computer is working

in an area with good air ﬂow.

The system temperature is

too high.

•UpdatetheBIOS.

•Ifyouknowhowtoreinstallthe

motherboard, try to clean the inner

space of the chassis.

•Contact the ASUS Service Center for

assistance.

If the problem still persists, refer to your Desktop PC’s warranty card and contact the ASUS Service

Center. Visit the ASUS Support site at http://support.asus.com for the service center information.

40 Chapter 5: Troubleshooting

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ASUS Desktop PC

Windows® 10

User Manual

E10435

First Edition

May 2015

Appendix

Windows® 10 User Manual

ENGLISH

ASUS Desktop PC 43

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Starting for the ﬁrst time

When you start your computer for the ﬁrst time, a series of screens appear to guide you in

conﬁguring the basic settings of your Windows® 10 operating system.

To start your Desktop PC for the ﬁrst time:

When you start your computer for the ﬁrst time, a series of screens appear to guide you in

conﬁguring the basic settings of your Windows® 10 operating system.

To start your Desktop PC for the ﬁrst time:

1. Press the power button on your Desktop PC. Wait for a few minutes until the setup screen

appears.

2. From the setup screen, pick your region and language that you want to use on your desktop

PC.

3. Carefully read the License Terms, then tap I Accept.

4. Follow the onscreen instructions to conﬁgure the following basic items:

• Personalize

• Getonline

• Settings

• Youraccount

5. Wait until Windows® 10 ﬁnishes installing the apps and system settings. After the installation,

the Windows® 10 desktop appears.

44 Windows® 10 User Manual

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Click your account name to change the

picture, sign out of your account, or lock your

Desktop PC

Click to display all the apps

Click to put on sleep mode, shut down,

or restart your desktop PC

Click to expand the Start screen

Click to launch the Start menu

Pin on or launch

a tiled-format

app from the

Start screen

Pin on or launch an app

from the taskbar

Start menu

Windows® 10 brings back the Start menu with some enhancements, such as the space that you can

customizewithyourfavoriteapps,people,orwebsites.

YoucanlaunchtheStartmenuintwoways:

• ClicktheStartbuttonfromthelower-leftcornerofthetaskbar.

• PresstheWindows® Start key on your keyboard.

Pinning apps to the Start screen or taskbar

To pin an app to the Start screen or taskbar:

1. From the Start menu, click All apps, then select the app that you want to pin.

2. Click Pin to Start or Pin to taskbar to pin your selected app to the Start screen or taskbar.

YoucanalsodragthendropanapptotheStartScreenortaskbartopinit.

Using the Windows® 10 UI

The Windows®10UserInterface(UI)includesthefavoriteStartmenuandthetiled-formattedStart

screen. It includes the following features you can use while working on your Desktop PC.

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Start screen

TheStartscreen,whichappearstogetherwiththeStartmenu,helpsorganizealltheappsyouneed

injustoneplace.TheappsontheStartscreenaredisplayedontiled-formatforeasyaccess.

Some apps require signing in to your Microsoft account before they are fully launched.

Click to restore the

Start screen

Moving apps on the Start screen

YoucanmoveappsfromtheStartscreensimplythroughdragginganddroppingtheapptoyour

preferred location.

Unpinning apps from the Start screen

TounpinanappfromtheStartscreen,right-clickontheapptoactivateitssettingsbarthenclick

Unpin from Start.

46 Windows® 10 User Manual

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Taskbar

Windows® 10 comes with the standard taskbar, which keeps all your currently running apps or

items in the background.

Unpinning apps from the taskbar

1. FromtheStartscreenortaskbar,right-clicktheappyouwanttounpin.

2. Click Unpin from Start or Unpin this program from taskbar to remove the app from the

Start screen or taskbar.

Using the Task View

When you have several running apps, you can click from the taskbar to display all your

running apps, and click on an app or item to launch it.

If task view is disabled, click > Show Task View button to display the task view icon .

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Snap feature

The Snap feature displays about four apps or more in one screen, allowing you to work or switch

among apps.

Using Snap

Use your Desktop PC’s mouse or keyboard to activate Snap onscreen.

Using your mouse

a) Launch an app, then drag and release on a screen corner to snap it in place.

b) Snap another app to your preferred location on the screen.

Using your keyboard

a) Launch an app, press and the arrow keys to select the direction where you want to

snap the app in place.

b) Snap another app using and the arrow keys.

48 Windows® 10 User Manual

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Keyboard shortcuts

Using your keyboard, you can also use the following shortcuts to help you launch apps and

navigate Windows® 10.

Switches between the Start screen and the last running app

+ <D>

Launches the desktop

+ <E>

Launches File Explorer

+ <F> or

+ <W>

Activates the File search function

+ <H>

Launches Share

+ <I>

Launches Settings

+ <K>

Launches Media Connect

+ <L>

Activates the Lock screen

+ <M>

Hides all currently active screens to the taskbar

+ <P>

YourdesktopPCismirroredtoyoursecondarymonitor

+ <Q>

Launches Cortana

+ <R>

Launches the Run window

+ <U>

Launches Ease of Access Center

+ <X>

Launches a menu box of Windows tools

ASUS Desktop PC 49

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3. Follow the onscreen instructions to complete the reinstallation and reset process.

Removing everything and reinstalling Windows® 10

Restoring your PC to its original factory settings can be done using the Remove everything and

reinstall options in PC Settings. Refer to the steps below to use this option.

Back up all your data before using this option.

This process may take a while to complete.

1. From the Start menu, click Settings > Update & security > Recovery.

2. Scroll down to view the Remove everything and reinstall Windows option. Under this

option, click Get started.

+ <+>

Launchesthemagnierandzoomsinyourscreen.

+<->

Zooms out your screen.

+ <Enter>

Opens the Narrator Settings.

50 Windows® 10 User Manual

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ASUS contact information

ASUSTeK COMPUTER INC.

Address   15Li-TeRoad,Peitou,Taipei,Taiwan11259

Telephone   +886-2-2894-3447

Fax    +886-2-2890-7798

E-mail   info@asus.com.tw

Web site www.asus.com.tw

Technical Support

Telephone   +86-21-38429911

Online support support.asus.com

ASUS COMPUTER INTERNATIONAL (America)

Address 800 Corporate Way, Fremont, CA 94539, USA

Telephone   +1-510-739-3777

Fax    +1-510-608-4555

Web site usa.asus.com

Technical Support

Telephone   +1-812-282-2787

Supportfax   +1-812-284-0883

Online support support.asus.com

ASUS COMPUTER GmbH (Germany and Austria)

Address   HarkortStr.21-23,D-40880Ratingen,Germany

Fax    +49-2102-959931

Web site asus.com/de

Onlinecontact   eu-rma.asus.com/sales

Technical Support

Telephone(Component)    +49-2102-5789555

TelephoneGermany(System/Notebook/Eee/LCD) +49-2102-5789557

TelephoneAustria(System/Notebook/Eee/LCD)  +43-820-240513

SupportFax    +49-2102-959911

Online support support.asus.com

ASUS contact information

Table of Contents

ASUS G20CI-0021A770GXT User Manual

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