Table of Contents
ASUS VG258QM User Manual
Displayed below is the user manual for VG258QM by ASUS which is a product in the Computer Monitors category. This manual has pages.
Related Manuals
TUF Gaming Monitor
VG258QM series
User Guide
ii
First Edition
November 2020
Copyright © 2020 ASUSTeK COMPUTER INC. All Rights Reserved.
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, modied or altered, unless
such repair, modication 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 identication or explanation and to the
owners’ benet, without intent to infringe.
iii
Contents
Notices ......................................................................................................... iv
Safety information ....................................................................................... v
Care & Cleaning .......................................................................................... vi
Takeback Services ..................................................................................... vii
Chapter 1: Product introduction
1.1 Welcome! .................................................................................... 1-1
1.2 Package contents ......................................................................... 1-1
1.3.1 Front view ....................................................................... 1-2
1.3.2 Back view ........................................................................ 1-3
1.3.3 GamePlus Function ........................................................ 1-4
1.3.4 GameVisual Function ...................................................... 1-5
Chapter 2: Setup
2.1 Assembling the monitor arm/base ............................................. 2-1
2.2 Adjusting the monitor .................................................................. 2-2
2.3 Detaching the arm (for VESA wall mount) ................................. 2-3
2.4 Connecting the cables ................................................................. 2-4
2.5 Turning on the monitor ................................................................ 2-4
Chapter 3: General instructions
3.1 OSD (On-Screen Display) menu ................................................ 3-1
3.1.1 How to recongure .......................................................... 3-1
3.1.2 OSD function introduction ............................................... 3-1
3.2 Specicationssummary ............................................................. 3-7
3.3 Outline dimensions ...................................................................... 3-9
3.4 Troubleshooting (FAQ) .............................................................. 3-10
3.5 Supported operating mode ....................................................... 3-11
iv
Notices
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 the 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 into an outlet on a circuit different 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 modications
to this unit not expressly approved by the party responsible for compliance
could void the user’s authority to operate this equipment.
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.
This Class B digital apparatus meets all requirements of the Canadian Interference
- Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Réglement
sur le matériel brouiller du Canada.
v
Safety information
• Before setting up the monitor, carefully read all the documentation that came
with the package.
• To prevent re or shock hazard, never expose the monitor to rain or moisture.
• Never try to open the monitor cabinet. The dangerous high voltages inside the
monitor may result in serious physical injury.
• If the power supply is broken, do not try to x it by yourself. Contact a qualied
service technician or your retailer.
• Before using the product, make sure all cables are correctly connected and the
power cables are not damaged. If you detect any damage, contact your dealer
immediately.
• Slots and openings on the back or top of the cabinet are provided for
ventilation. Do not block these slots. Never place this product near or over a
radiator or heat source unless proper ventilation is provided.
• The monitor should be operated only from the type of power source indicated
on the label. If you are not sure of the type of power supply to your home,
consult your dealer or local power company.
• Use the appropriate power plug which complies with your local power standard.
• Do not overload power strips and extention cords. Overloading can result in re
or electric shock.
• Avoid dust, humidity, and temperature extremes. Do not place the monitor in
any area where it may become wet. Place the monitor on a stable surface.
• Unplug the unit during a lightning storm or if it will not be used for a long period
of time. This will protect the monitor from damage due to power surges.
• Never push objects or spill liquid of any kind into the slots on the monitor
cabinet.
• To ensure satisfactory operation, use the monitor only with UL listed
computers which have appropriate congured receptacles marked between
100-240V AC.
• If you encounter technical problems with the monitor, contact a qualied
service technician or your retailer.
• Adjustment of the volume control as well as the equalizer to other settings
than the center position may increase the ear-/headphones output voltage and
therefore the sound pressure level.
• The adapter is only used for this monitor, do not use it for other purpose.
Your device uses one of the following power supplies:
- Manufacturer: Delta Electronics Inc., Model: ADP-40KD BB
This symbol of the crossed out wheeled bin indicates that the product (electrical,
electronic equipment, and mercury-containing button cell battery) should not
be placed in municipal waste. Please check local regulations for disposal of
electronic products.
vi
AEEEyönetmeliğineuygundur
Care & Cleaning
• Before you lift or reposition your monitor, it is better to disconnect the cables
and power cord. Follow the correct lifting techniques when positioning the
monitor. When lifting or carrying the monitor, grasp the edges of the monitor.
Do not lift the display by the stand or the cord.
• Cleaning. Turn your monitor off and unplug the power cord. Clean the monitor
surface with a lint-free, non-abrasive cloth. Stubborn stains may be removed
with a cloth dampened with mild cleaner.
• Avoid using a cleaner containing alcohol or acetone. Use a cleaner intended
for use with the monitor. Never spray cleaner directly on the screen, as it may
drip inside the monitor and cause an electric shock.
The following symptoms are normal with the monitor:
• The screen may icker during the initial use due to the nature of the uorescent
light. Turn off the Power Switch and turn it on again to make sure that the
icker disappears.
• You may find slightly uneven brightness on the screen depending on the
desktop pattern you use.
• When the same image is displayed for hours, an afterimage of the previous
screen may remain after switching the image. The screen will recover slowly or
you can turn off the Power Switch for hours.
• When the screen becomes black or ashes, or cannot work anymore, contact
your dealer or service center to x it. Do not repair the screen by yourself!
Conventions used in this guide
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: Information that you MUST follow to complete a task.
NOTE: Tips and additional information to aid in completing a task.
vii
Wheretondmoreinformation
Refer to the following sources for additional information and for product and
software updates.
1. ASUS websites
The ASUS websites worldwide provide updated information on ASUS
hardware and software products. Refer to http://www.asus.com
2. Optional documentation
Your product package may include optional documentation that may have
been added by your dealer. These documents are not part of the standard
package.
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
our customers to be able to responsibly recycle our products, batteries and other
components as well as the packaging materials.
Please go to http://csr.asus.com/english/Takeback.htm for detail recycling
information in different region.
viii
1-1ASUS TUF Gaming Monitor VG258QM series
1.1 Welcome!
Thank you for purchasing the ASUS® LCD monitor!
The latest widescreen LCD monitor from ASUS provides a broader, brighter and
crystal-clear display, plus a host of features that enhance your viewing experience.
With these features, you can enjoy the convenience and delightful visual
experience that the monitor brings to you!
1.2 Package contents
Check your package for the following items:
LCD monitor
Monitor base
Quick start guide
Warranty card
Power adapter
Power cord
DisplayPort cable (optional)
HDMI cable (optional)
If any of the above items is damaged or missing, contact your retailer
immediately.
1-2 Chapter 1: Product introduction
1.3 Monitor introduction
1.3.1 Front view
1
2
3
4
5
1. ( 5-way) button:
• Turns on the OSD menu. Enacts the selected OSD menu item.
• Increases/Decreases values or moves your selection up/down/left/right.
• Displays the input selection bar when the monitor enters standby mode
or displays the “NO SIGNAL“ message.
2. button
• Exits the OSD menu item.
• Displays the input selection bar when the monitor enters standby mode
or displays the “NO SIGNAL“ message.
• Toggles the Key Lock function between on and off with a long press for 5
seconds.
3. Shortcut 1 button:
• Default: GamePlus.
• To change the shortcut function, go to the MyFavorite > Shortcut >
Shortcut 1 menu.
• Displays the input selection bar when the monitor enters standby mode
or displays the “NO SIGNAL“ message.
4. Shortcut 2 button:
• Default: GameVisual.
1-3ASUS TUF Gaming Monitor VG258QM series
• To change the shortcut function, go to the MyFavorite > Shortcut >
Shortcut 2 menu.
• Displays the input selection bar when the monitor enters standby mode
or displays the “NO SIGNAL“ message.
5. Power button/power indicator
• Turns the monitor on/off.
• The color definition of the power indicator is as the below table.
Status Description
White ON
Amber Standby mode/No signal
OFF OFF
1.3.2 Back view
84 5 6 7
1. DC-IN port. This port connects the power cord.
2. HDMI port. This port is for connection with an HDMI compatible device.
3. HDMI port. This port is for connection with an HDMI compatible device.
4. DisplayPort. This port is for connection for a DisplayPort compatible device.
5. Earphone jack. This port is only available when an HDMI/DisplayPort cable
is connected.
6. This port is for service only. (USB Type-A)
7. Kensington lock slot.
8. Control buttons.
1-4 Chapter 1: Product introduction
1.3.3 GamePlus Function
The GamePlus function provides a toolkit and creates a better gaming environment
for users when playing different types of games. The crosshair overlay with 6
different crosshair options letting you choose the one that best suits the game
you're playing. There's also an onscreen timer you can position on the left of the
display so you can keep track of the elapsed gaming time; while the FPS (frames
per second) counter lets you know how smooth the game is running. Display
Alignment displays alignment lines on 4 sides of the screen, serving as an easy
and handy tool for you to line up multiple monitors perfectly. Sniper function (only
available when HDR is disabled on your device) is customized for rst-person
shooters. You can select the magnication ratio and the type of alignment in
sequence.
To active GamePlus:
1. Press the GamePlus hotkey.
2. Move the ( ) button up/down to select among different functions.
3. Press the ( ) button or move the ( ) button right to confirm the
function you choose, and move the ( ) button up/down to navigate
through the settings. Move the ( ) button left to go back, off, and exit.
4. Highlight the desired setting and press the ( ) button to activate it.
Press the button to inactivate it.
GamePlus
Main Menu
GamePlus —
Crosshair
GamePlus —
Timer
GamePlus —
FPS counter
GamePlus —
Sniper
GamePlus
FPS
(Practice Mode)
(Practice Mode)
Crosshair
Timer
FPS Counter
Display Alignment
Sniper
GamePlus GamePlus GamePlus
FPS
GamePlus
1-5ASUS TUF Gaming Monitor VG258QM series
1.3.4 GameVisual Function
The GameVisual function helps you select among different picture modes in a
convenient way.
To active GameVisual:
Press the GameVisual hotkey repeatedly to select.
• Scenery Mode: This is the best choice for scenery photo displaying with
GameVisualTM Video intelligence Technology.
• Racing Mode: This is the best choice for racing game playing with
GameVisualTM Video intelligence Technology.
• Cinema Mode: This is the best choice for movie watching with
GameVisualTM Video intelligence Technology.
• RTS/RPG Mode: This is the best choice for Real-Time Strategy (RTS)/
Role-Playing Game (RPG) playing with GameVisualTM Video intelligence
Technology.
• FPS Mode: This is the best choice for First Person Shooter game playing
with GameVisualTM Video intelligence Technology.
• sRGB Mode: This is the best choice for viewing photos and graphics
from PCs.
• MOBA Mode: This is the best choice for multiplayer online battle arena
game playing with GameVisualTM Video intelligence Technology.
• In the Racing mode, the following function(s) are not user-congurable:
Saturation, Skin Tone, ASCR.
• In the sRGB mode, the following function(s) are not user-configurable:
Brightness, Contrast, Saturation, Color Temp., Skin Tone, ASCR.
• In the MOBA mode, the following function(s) are not user-configurable:
Saturation, Skin Tone, ASCR.
1-6 Chapter 1: Product introduction
2-1ASUS TUF Gaming Monitor VG258QM series
2.1 Assembling the monitor arm/base
To assemble the monitor base:
1. Have the front of the monitor face down on a table.
2. Attach the base into the arm, making sure the tab on the arm fits into the groove
on the base.
3. Fix the base to the arm by fastening the bundled screw.
We recommend that you cover the table surface with soft cloth to prevent
damage to the monitor.
Base screw size: M6 x 16.2 mm.
2-2 Chapter 2: Setup
2.2 Adjusting the monitor
• For optimal viewing, we recommend that you look at the full face of the
monitor, then adjust the monitor to the angle that is most comfortable for you.
• Hold the stand to prevent the monitor from falling when you change its angle.
• The recommended adjusting angle is +33˚ to -5˚ (for tilt)/+90˚ to -90˚ (for
swiveling/ +130 mm (for height adjustment)/90˚ (for portrait view).
130mm
90° 90°
0°
-5°~+33°
It is normal that the monitor slightly shakes while you adjust the viewing angle.
Pivoting the monitor
1. Lift the monitor to the highest position.
2. Tilt the monitor to its maximum angle.
3. Pivot the monitor to the angle you need.
0°
90°
0°
90°
-5°~+33°
It is normal that the monitor slightly shakes while you adjust the viewing angle.
2-3ASUS TUF Gaming Monitor VG258QM series
2.3 Detaching the arm (for VESA wall
mount)
The detachable arm/base of this monitor is specially designed for VESA wall
mount.
To detach the arm/base:
1. Have the front of the monitor face down on a table.
2. Remove the rubbers in the four screw holes. (Figure 1)
3. Remove the base (Figure 2).
4. Use a screwdriver to remove the screw on the hinge (Figure 3), then remove
the hinge.
2
1
2
1
(Figure 1) (Figure 2) (Figure 3)
We recommend that you cover the table surface with soft cloth to prevent
damage to the monitor.
2-4 Chapter 2: Setup
2.4 Connecting the cables
Connect the cables as the following instructions:
For service only
• To connect the power cord:
a. Connect the power adapter securely to the monitor’s DC input.
b. Connect one end of the power cord to the power adapter and the other
end to a power outlet.
• To connect the DisplayPort/HDMI cable:
a. Plug one end of the DisplayPort/HDMI cable to the monitor’s
DisplayPort/HDMI port.
b. Connect the other end of the DisplayPort/HDMI cable to your computer's
DisplayPort/HDMI port.
• To use the earphone: connect the end with plug type to the monitor’s
earphone jack when an HDMI or DisplayPort signal is fed.
2.5 Turning on the monitor
Press the power button . See page 1-2 for the location of the power button. The
power indicator lights up in white to show that the monitor is ON.
3-1ASUS TUF Gaming Monitor VG258QM series
3.1 OSD (On-Screen Display) menu
3.1.1 How to reconfigure
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
Gaming
Overclocking
Variable OD
Adaptive-Sync (DP)
ELMB/ELMB SYNC
GamePlus
GameVisual
Shadow Boost
1. Press the ( ) button to activate the OSD menu.
2. Move the ( ) button up/down to navigate through the functions.
Highlight the desired function and press the ( ) button to activate it. If
the function selected has a sub-menu, move the ( ) button up/down
again to navigate through the sub-menu functions. Highlight the desired sub-
menu function and press the ( ) button or move the ( ) button
right to activate it.
3. Move the ( ) button up/down to change the settings of the selected
function.
4. To exit and save the OSD menu, press the button or move the
( ) left repeatedly until the OSD menu disappears. To adjust other
functions, repeat steps 1-3.
3.1.2 OSD function introduction
1. Gaming
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
Gaming
Overclocking
Variable OD
Adaptive-Sync (DP)
ELMB/ELMB SYNC
GamePlus
GameVisual
Shadow Boost
3-2 Chapter 3: General Instructions
• Overclocking:
* ON: This function allows you to adjust the refresh rate.
* Max Refresh Rate: Allows you to select a maximum refresh rate
of 280Hz (Only for DisplayPort input). After selecting, press the
( ) button to activate the setting.
Overclocking may cause screen ickering. To reduce such effects, disconnect
the DisplayPort cable and use the monitor OSD menu to try again with a safer
Max. Refresh rate.
• Variable OD: Improves the gray level response time of the LCD panel.
The adjusting range is from Level 0 to Level 5.
This function is not available when ELMB/ELMB SYNC is enabled.
• Adaptive-Sync (DP)/ Variable Refresh Rate: Allows an Adaptive-Sync
supported* graphics source to dynamically adjust display refresh rate
based on typical content frame rates for power efcient, virtually stutter
free and low-latency display update.
• Adaptive-Sync (DP)/ Variable Refresh Rate can only be activated within
48Hz~240Hz for HDMI and 48Hz~280Hz for DisplayPort.
• For supported GPUs, minimum PC system and driver requirements,
please contact the GPU manufactures.
• ELMB/ELMB SYNC: ELMB can only be activated when Adaptive-Sync
(DP)/ Variable Refresh Rate is Off and the refresh rate is 100Hz, 120Hz,
144Hz, 240Hz, 270Hz or 280Hz. ELMB SYNC allows you to turn on the
function when Adaptive-Sync (DP)/ Variable Refresh Rate is On. This
function eliminates screen tearing, reduces ghosting and motion blur
when playing games. The function includes 5-level clarity and position
adjustment.
• GamePlus: See 1.3.3 GamePlus Function for details.
• GameVisual: See 1.3.4 GameVisual Function for details.
• Shadow Boost: Dark color enhancement adjusts monitor gamma curve
to enrich the dark tones in an image, making dark scenes and objects
much easier to be seen.
This function is only available in Racing mode, RTS/RPG mode, FPS mode, or
sRGB mode.
3-3ASUS TUF Gaming Monitor VG258QM series
2. Image
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
Image
Brightness
Contrast
HDR
VividPixel
ASCR
Aspect Control
Blue Light Filter
• Brightness: The adjusting range is from 0 to 100.
• Contrast: The adjusting range is from 0 to 100.
• HDR: Contains two HDR modes.
* ASUS Gaming HDR: Is the HDR mode that ASUS has specially
adjusted for HDR performance.
* ASUS Cinema HDR: Complies with VESA Display HDR.
When detecting HDR content, an “HDR ON” message will pop up. When
displaying HDR content, the following function(s) are not available: ELMB Sync,
Sniper, GameVisual, Shadow Boost, Brightness, Contrast, ASCR, Aspect
Control, Blue Light Filter, Color Temp., Saturation, ECO Mode, VividPixel.
• VividPixel: Enhances the outline of the displayed picture and generates
high-quality images on screen.
• ASCR: Turns on/off the ASCR (ASUS Smart Contrast Ratio) function.
• Aspect Control: Adjusts the aspect ratio to Full, or 4:3.
• Blue Light Filter
* Level 0: No change.
* Level 1~4: The higher the level, the less blue light is scattered.
When Blue Light Filter is activated,the default settings of Racing
Mode will be automatically imported. Between Level 1 to Level 3,
the Brightness function is user-configurable. Level 4 is optimized
setting. It is compliance with TUV Low Blue Light Certification.
The Brightness function is not user-configurable.
Please refer to the following to alleviate eye strains:
• Users should take some time away from the display if working for long
hours. It is advised to take short breaks (at least 5 mins) after around 1
hour of continuous working at the computer. Taking short and frequent
breaks is more effective than a single longer break.
3-4 Chapter 3: General Instructions
• To minimize eye strain and dryness in your eyes, users should rest the
eye periodically by focusing on objects that are far away.
• Eye exercises can help to reduces eye strain. Repeat these exercises
often. If eye strain continues please consult a physician. Eye exercises: (1)
Repeating look up and down (2) Slowly roll your eyes (3) Move your eyes
diagonal.
• High energy blue light may lead to eye strain and AMD (Age-Related
Macular Degeneration). Blue light Filter to reduce 70% (max.) harmful
blue light to avoiding CVS (Computer Vision Syndrome).
3. Color
Set a desired color setting from this menu.
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
Color
Color Temp.
Saturation
Skin Tone
• Color Temp.: Contains 4 modes including Cool, Normal, Warm, and User
Mode.
• Saturation: The adjusting range is from 0 to 100.
• Skin Tone: Contains three color modes including Reddish, Natural, and
Yellowish.
4. Input Select
In this function, you can select your desired input source.
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
HDMI-1
HDMI-2
DisplayPort
Input Select
3-5ASUS TUF Gaming Monitor VG258QM series
5. MyFavorite
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
MyFavorite
Shortcut
Customized Setting
• Shortcut:
* Shortcut 1/Shortcut 2: Sets the shortcut functions for shortcut
buttons.
When a certain function is selected or activated, your shortcut button may not
support. Available function choices for shortcut: GamePlus (only for Shortcut
1), GameVisual (only for Shortcut 2), Brightness, Contrast, HDR, Blue Light
Filter, Color Temp., Volume.
• Customized Setting: Loads/Saves all settings on the monitor.
6. System Setup
ASUS TUF Gaming VG258QM HDR Off
Racing Mode DisplayPort 1920x1080@ 60Hz
System Setup
Language
Sound
ECO Mode
Power Indicator
Power Key Lock
Key Lock
OSD Setup
DisplayPort Ver.
• Language: There are 21 languages for your selection, including English,
French, German, Italian, Spanish, Dutch, Portuguese, Russian, Czech,
Croatian, Polish, Romanian, Hungarian, Turkish, Simplied Chinese,
Traditional Chinese, Japanese, Korean, Thai, Indonesian, Persian.
• Sound: Sets the sound related settings from this menu.
* Volume: The adjusting range is from 0 to 100.
* Mute: Toggles the monitor sound between on and off.
• ECO Mode: Reduces power consumption.
• Power Indicator: Turn the power LED indicator on/off.
3-6 Chapter 3: General Instructions
• Power Key Lock: Enables or disables the power key.
• Key Lock: To disable all function keys. Press over 5 seconds to
cancel the key lock function.
• OSD Setup:
* Adjusts the OSD timeout from 10 to 120 seconds.
* Enables or disables the DDC/CI function.
* Adjusts the OSD background from opaque to transparent.
• DisplayPort Ver.: Compatibility with graphic card. Select DisplayPort 1.1
or DisplayPort 1.2+HDR by graphic card DP version.
DisplayPort 1.1 is only available when OverClocking and Adaptive-Sync
(DP)/ Variable Refresh Rate are off.
• Information: Shows the monitor information.
• All Reset: “Yes” allows you to restore the default settings.
3-7ASUS TUF Gaming Monitor VG258QM series
3.2 Specicationssummary
Panel Type TFT LCD
Panel size 24.5”W (16:9, 62.2 cm) wide screen
Max. Resolution 1920 x 1080
Pixel pitch 0.2832 mm x 0.2802 mm
Brightness (Typ.) 400 cd/m2
Contrast Ratio (Typ.) 1000:1
Contrast Ratio (Max.) 100,000,000:1 (with ASCR on)
Viewing angle(H/V) CR>10 170˚/160˚
Display colors 16.7 M
Response time 0.5 ms (Gray to gray)
Color temperature selection 4 color temperatures
Analog input No
Digital input HDMI v2.0 x 2, DisplayPort v1.2 x 1
Earphone jack Yes
Audio input No
Speaker (Built-in) 2 W x 2 Stereo, RMS
USB 3.0 port No
Colors Black
Power LED White (On)/Amber (Standby)
Tilt +33˚~ -5˚
Pivot +90˚~ -90˚
Swivel +90˚~ -90˚
Height adjustment 130 mm
VESA wall mount 100 x 100 mm
Kensington lock Yes
Voltage rating AC: 100~240V
DC: 19V, 2.1A (AC adapter)
Power consumption Power On: < 23 W**, Standby: < 0.5 W,
Power Off: < 0.5 W
Temperature (Operating) 0˚C~40˚C
Temperature (Non-operating) -20˚C~+60˚C
Dimensions (W x H x D) without
stand
563 x 329 x 52 mm
Dimensions (W x H x D) with stand 563 x 486 x 211 mm (highest)
563 x 356 x 211 mm (lowest)
664 x 415 x 221 mm (package)
Weight (Esti.) 5.1 kg (Net); 2.9 kg (without stand); 7.4 kg
(Gross)
3-8 Chapter 3: General Instructions
Multi-languages 21 languages (English, French, German,
Italian, Spanish, Dutch, Portuguese, Russian,
Czech, Croatian, Polish, Romanian, Hungarian,
Turkish, Simplied Chinese, Traditional Chinese,
Japanese, Korean, Thai, Indonesian, Persian)
Accessories Quick start guide, warranty card, power adapter,
power cord, DisplayPort cable (optional), HDMI
cable (optional)
Compliance and Standards cTUVus, CB, CE, ErP, FCC, CCC, CU, RCM,
BSMI, VCCI, RoHS, J-MOSS, WEEE, Windows
7 & 10 WHQL, CEL, MEPS, PSE, UkrSEPRO,
KCC, E-Standby, TUV-Flicker Free, TUV-Low
Blue Light, ICES-3, PC Recycle
*Specifications are subject to change without notice.
**Measuring a screen brightness of 200 nits without audio/ USB/ Card reader
connection.
3-9ASUS TUF Gaming Monitor VG258QM series
3.3 Outlinedimensions
Swivel: +/-90 Degree
ASUS VG258QM Outline Dimension
*Unit: mm(inch)
Pivot: +/-90 Degree
Wall mount Keep out area
M4*4-Depth 10 mm
90°
90°
117.0 [4.6]
100.0 [3.9]
100.0 [3.9]
117.0 [4.6]
76.9 [3.0]
156.6 [6.2]
16.1 [0.6]
51.4 [2.0]
44.3 [1.7]
60.1 [2.4]
130.0 [5.1]
363.5 [14.3]
325.8 [12.8]
195.8 [7.7]
211.4 [8.3]
302.6 [11.9]-Active Area
9.4 [0.4]
328.9 [13.0]
543.7 [21.4]-Active Area
10.6 [0.4]
485.6 [19.1]
15.8 [0.6]
9.4 [0.4]
271.9 [10.7]
151.3 [6.0]
562.5 [22.1]
211.4 [8.3]
275.9 [10.9]
213.2 [8.4]
204.8 [8.1]
151.1 [5.9]
142.6 [5.6]
90°
33°
5°
90°
3-10 Chapter 3: General Instructions
3.4 Troubleshooting(FAQ)
Problem Possible Solution
Power LED is not ON • Press the button to check if the monitor
is in the ON mode.
• Check if the power cord is properly
connected to the monitor and the power
outlet.
The power LED lights amber and there is
no screen image
• Check if the monitor and the computer are
in the ON mode.
• Make sure the signal cable is properly
connected the monitor and the computer.
• Inspect the signal cable and make sure
none of the pins are bent.
• Connect the computer with another
available monitor to check if the computer
is properly working.
Screen image is too light or dark • Adjust the Contrast and Brightness
settings via OSD.
Screen image bounces or a wave pattern is
present in the image
• Make sure the signal cable is properly
connected to the monitor and the
computer.
• Move electrical devices that may cause
electrical interference.
Screen image has color defects (white does
not look white)
• Inspect the signal cable and make sure
that none of the pins are bent.
• Perform All Reset via OSD.
• Adjust the R/G/B color settings or select
the Color Temperature via OSD.
3-11ASUS TUF Gaming Monitor VG258QM series
3.5 Supportedoperatingmode
Resolution Frequency Refresh Rate Horizontal Frequency
640x350 70Hz 31.469KHz
640x350 85Hz 37.861KHz
640x480 60Hz 31.469KHz
640x480 67Hz 35KHz
640x480 75Hz 37.5KHz
640x480 85Hz 43.269KHz
720x400 70Hz 31.469KHz
720x400 85Hz 37.927KHz
800x600 56Hz 35.156KHz
800x600 60Hz 37.88KHz
800x600 72Hz 48.077KHz
800x600 75Hz 46.875KHz
800x600 85Hz 53.674KHz
832x624 75Hz 49.71KHz
848x480 60Hz 31.02KHz
1024x768 60Hz 48.363KHz
1024x768 70Hz 56.476KHz
1024x768 75Hz 60.023KHz
1024x768 85Hz 68.677KHz
1152x864 75Hz 67.5KHz
1280x720 60Hz 45KHz
1280x720 60Hz 44.772KHz
1280x720 75Hz 56.456KHz
1280x768 60Hz 47.396KHz
1280x800 60Hz 49.306KHz
1280x800 60Hz 49.702KHz
1280x800 75Hz 62.795KHz
1280x960 60Hz 60KHz
1280x1024 60Hz 63.981KHz
1280x1024 75Hz 79.976KHz
1366x768 60Hz 47.712KHz
1440x900 60Hz 55.469KHz
1440x900 60Hz 55.935KHz
1440x900 75Hz 70.635KHz
1680x1050 60Hz 64.674KHz
1680x1050 60Hz 65.29KHz
3-12 Chapter 3: General Instructions
Resolution Frequency Refresh Rate Horizontal Frequency
1920x1080 60Hz 66.587KHz
1920x1080 60Hz 67.5KHz
1920x1080 85Hz 95.43KHz
1920x1080 100Hz 113.3KHz
1920x1080* 120Hz 137.2KHz
1920x1080* 144Hz 158.11KHz
1920x1080* 240Hz 291.309KHz
1920x1080 (DP)* 270Hz 308.33KHz
1920x1080 (DP)* 280Hz 307.84KHz
640x480P 59.94/60Hz 31.469KHz/31.5KHz
720x480P 59.94/60Hz 31.469KHz/31.5KHz
720x576P 50Hz 31.25KHz
1280x720P 50Hz 37.5KHz
1280x720P 59.94/60Hz 44.955KHz/45KHz
1440x480P 59.94/60Hz 31.469KHz/31.5KHz
1440x576P 50Hz 31.25KHz
1920x1080P 50Hz 56.25KHz
1920x1080P 59.94/60Hz 67.433KHz/67.5KHz
3846x2160P 60Hz 135KHz
Note: You must select one of the “*” timings for enabling ELMB or 144Hz feature with a compatible
GPU graphic card.