Asus
asus.com › us › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ASUS USA
March 24, 2026 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
Asus
servers.asus.com › support › faq › detail › 1040820
Motherboard: How to Clear CMOS
March 24, 2026 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
How would I reset cmos on my ASUS motherboard
there should be a jumper on the motherboard which can be set > power on > set the jumper back > power on. the motherboard manual will tell you where the bios clear jumper is
edit: makesure you power off the machine before changing the jumper
or easiest and lazy way would be to remove the power form the machine then remove the CMOS (silver coin) battery. press the power button, the fans will probably spin for a second, this should clear your bios.
reconnect the battery and power and power on as normal and make any changes you need to your bios
More on reddit.com 12
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June 21, 2019Question on what pressing the CMOS button actually does.
My motherboard: Asus Dark Hero Hey guys, been searching online and got multiple answers on what the cmos button does when you press it/hold it down 1. It resets your motherboard setting to default settings on your CURRENT bios 2. It resets your motherboard bios version to the FACTORY version 3. I clears ... More on forums.tomshardware.com
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February 17, 2021How to Clear CMOS on Motherboard - ROG Forum - ASUS
Release the button and plug everything back in. Power on your computer. Be aware that resetting your CMOS will cause any BIOS changes you made previously to be lost, so make sure you have any necessary information backed up before performing this procedure! ... Asus B760 DDR5 bricked after enabling XMP + AEMP II (No POST, Clear ... More on rog-forum.asus.com
Clear CMOS button advice needed - ROG Forum - ASUS
Want to reset the bios and need to know if I use the clear CMOS button with the pc on or the pc off? Also what should I change or adjust in the bios after doing so? Thanks. More on rog-forum.asus.com
Videos
02:23
CLEAR CMOS! #techtips #pcbuild #repair #gamingcomputer #repair ...
03:02
How to Reset Motherboard BIOS Settings? | ASUS SUPPORT - YouTube
How To Reset Bios (CMOS)
Clearing the Motherboard BIOS CMOS - YouTube
06:19
Reset your BIOS settings / Clear CMOS - YouTube
ASUS
zentalk.asus.com › t5 › faq › motherboard-how-to-clear-cmos › ta-p › 407728
[Motherboard] How to Clear CMOS - ASUS - ZenTalk - 407728
October 7, 2025 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
Reddit
reddit.com › r/techsupport › how would i reset cmos on my asus motherboard
r/techsupport on Reddit: How would I reset cmos on my ASUS motherboard
June 21, 2019 -
I may have messed up graphics card settings on bios and I have know clue how or where I need to look to reset cmos please help Edit 1: it wasn’t the settings my graphics card wasn’t in completely but my battery was behind my GPU so if you have an ASUS motherboard make sure to take out your gpu and check under it
Top answer 1 of 5
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there should be a jumper on the motherboard which can be set > power on > set the jumper back > power on. the motherboard manual will tell you where the bios clear jumper is
edit: makesure you power off the machine before changing the jumper
or easiest and lazy way would be to remove the power form the machine then remove the CMOS (silver coin) battery. press the power button, the fans will probably spin for a second, this should clear your bios.
reconnect the battery and power and power on as normal and make any changes you need to your bios
2 of 5
1
Sorry for the lack of information I have no clue what the model of my motherboard is
Visioncomputers
visioncomputers.com › asus-clear-cmos-3-ways
3 Ways to Clear CMOS on ASUS Motherboards (Pins, Button, Battery) | Vision Computers
March 22, 2026 - You will find this button on most ROG Strix, ROG Crosshair, ROG Maximus, ProArt Creator, and some higher-end TUF Gaming boards. Budget boards like the ASUS Prime series typically do not have this button. The button is small, usually recessed, and labeled “CLR CMOS” or “Clear CMOS.” It sits ...
ASUS
asus.com › support › faq › 1030210
[Motherboard/Desktop] How to restore BIOS setting? | Official Support | ASUS Global
April 7, 2026 - 1. Use the motherboard to clear ... 5-10 seconds. After reconnecting the power and booting, press and hold the delete key or F2 key to enter the BIOS to reset. ... b. There is a CLR_CMOS button on the motherboard....
Asus
rog.asus.com › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ROG Global
March 24, 2026 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
ASUS
asus.com › global › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ASUS Global
March 24, 2026 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
ASUS
asus.com › me-en › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ASUS
March 24, 2026 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
[SOLVED] - Question on what pressing the CMOS button actually does. | Tom's Hardware Forum
February 17, 2021 - My motherboard: Asus Dark Hero Hey guys, been searching online and got multiple answers on what the cmos button does when you press it/hold it down 1. It resets your motherboard setting to default settings on your CURRENT bios 2. It resets your motherboard bios version to the FACTORY version ...
Asus
rog-forum.asus.com › t5 › motherboard-accessories › how-to-clear-cmos-on-motherboard › td-p › 929143
How to Clear CMOS on Motherboard - ROG Forum - ASUS
May 14, 2023 - To utilize this technique, ensure that your motherboard has a dedicated Clear CMOS button or reset button on its rear or on the front panel. If it does, follow these steps: Shut down your computer.
Quora
quora.com › When-resetting-CMOS-using-the-ASUS-clear-CMOS-button-on-IO-panel-do-you-need-to-power-off-the-power-supply
When resetting CMOS using the ASUS clear CMOS button on IO panel, do you need to power off the power supply? - Quora
Answer: In general, before doing ANYTHING on your system, power off the power supply. Even when adding Graphic Cards, m.2 storage or just an SATA cable. As long as the power supply is turned on, the Mainboard receives power and even if you don’t immediately fry anything by unplugging an SATA ...
Asus
rog-forum.asus.com › t5 › x99 › clear-cmos-button-advice-needed › td-p › 573257
Clear CMOS button advice needed - ROG Forum - ASUS
March 6, 2024 - Hello p_delray You can go into the bios and hit F5 to reset defaults or you can power off your pc and hold the clear cmos button for 3 seconds. After doing this enable X.M.P.
Asus
rog-forum.asus.com › t5 › other-motherboards › m4e-clear-cmos-switch-on-backside › td-p › 173226
M4E: clear cmos switch on backside - ROG Forum - ASUS
March 6, 2024 - You can set the clock manually via UEFI anyway. As soon as you press the CMOS clear button on the rear IO panel - all user set parameters will be returned to default, which is exactly what you need.
Asus
rog-forum.asus.com › t5 › z370-z390 › clear-cmos-button-on-rear-panel › td-p › 842966
Clear CMOS button on rear panel - ROG Forum - ASUS
March 7, 2024 - Do I need to unplug the power cord and wait until the green light goes off before pressing the Clear CMOS button?
ASUS
asus.com › ca-en › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ASUS Canada
March 24, 2026 - Press the MB Clear CMOS or CLR_CMOS button for about 5~10 seconds, at this time that is to clear the real-time clock (RTC) random access memory.
Asus
servers.asus.com › support › faq › detail › 1030210
FAQ | ASUS Servers and Workstations Official Site
April 7, 2026 - 1. Use the motherboard to clear ... 5-10 seconds. After reconnecting the power and booting, press and hold the delete key or F2 key to enter the BIOS to reset. ... b. There is a CLR_CMOS button on the motherboard....
InformatiWeb
us.informatiweb.net › tutorials › it › bios › reset-the-bios-of-an-asus-motherboard-with-the-clr-cmos-button.html
Reset the BIOS of an Asus motherboard (by using the CLR_CMOS button) - BIOS - Tutorials - InformatiWeb
December 14, 2021 - Fortunately, our Asus WS X299 SAGE/10G motherboard has a red "CLR_CMOS" button (located at the bottom of the motherboard) to erase the settings configured in the BIOS to reuse the default values during the next boot.
Asus
rog-forum.asus.com › t5 › intel-700-600-series › clear-cmos-z690 › td-p › 971223
Clear CMOS, Z690 - Republic of Gamers Forum - 971223
November 13, 2023 - 1: ASUS ROG Swift PG34WCDMC Monitor ... To clear the cmos...... ... 2) On the motherboard I/O panel, press and hold the clear cmos button (marked yellow) ......
Reddit
reddit.com › r/buildapc › i accidentally pressed my "clear cmos" button on asus mobo. it cleared my bios setting and corrupted c:. possible to make such buttons inoperable?
I accidentally pressed my "clear cmos" button on ASUS mobo. It cleared my BIOS setting and corrupted C:. Possible to make such buttons inoperable? : r/buildapc
December 22, 2021 - PROBLEM RESOLVED! Just got this motherboard. The Clear CMOS and the BIOS Flash buttons are small, hard to see and dangerous indeed and, unlike in older Asus models, there is no jumper to disable them! I just took two pieces of adhesive rubber stoppers 2mm-thick, and with a small chisel carefully cut inside a 1x3mm hole, then glued them upon each button.