ASUS
asus.com › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ASUS Global
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
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.
How to Clear CMOS on Motherboard - ROG Forum - ASUS
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. Unplug all cables from the back of the PC, including power. Locate the Reset button on your ... More on rog-forum.asus.com
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, 2021I accidentally pressed my "clear cmos" button on ASUS mobo. It cleared my BIOS setting and corrupted C:. Possible to make such buttons inoperable?
I'm interested in the Ys of how a clear cmos can corrupt a disk More on reddit.com
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December 22, 2021Videos
02:23
CLEAR CMOS! #techtips #pcbuild #repair #gamingcomputer #repair ...
03:29
How to Reset Motherboard BIOS Settings? | ASUS SUPPORT - YouTube
How To Reset Bios (CMOS)
Clearing the Motherboard BIOS CMOS - YouTube
01:09
How To Clear Your CMOS - BIOS Reset Tutorial - YouTube
Visioncomputers
visioncomputers.com › asus-clear-cmos-3-ways
3 Ways to Clear CMOS on ASUS Motherboards (Pins, Button, Battery) | Vision Computers
March 22, 2026 - ASUS includes a dedicated CLR CMOS button on the rear I/O panel of their premium motherboards. 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.
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 - Locate the Reset button on your motherboard’s rear or on the front panel(On my PC it’s present on the front side). Press and hold down the button for 5-10 seconds. Release the button and plug everything back in.
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
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.
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.
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....
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 ...
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 - Thanks to the red CLR_CMOS button on some Asus motherboards, you can reset the BIOS settings of your motherboard to zero, even if your computer no longer starts.
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.
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.
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
servers.asus.com › support › faq › detail › 1030210
[Motherboard/Desktop] How to restore BIOS setting?
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-forum.asus.com › t5 › amd-500-400-series › question-on-what-pressing-the-cmos-button-actually-does › td-p › 874828
Question on what pressing the CMOS button actually... - Republic of Gamers Forum - 874828
March 6, 2024 - Member 56 posts Posted 7 minutes ... 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
asus.com › au › support › faq › 1040820
[Motherboard] How to Clear CMOS | Official Support | ASUS Australia
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
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 - 2) On the motherboard I/O panel, press and hold the clear cmos button (marked yellow) for 3 seconds.
Dhgate
smart.dhgate.com › home › step-by-step guide to clearing cmos on asus motherboards for reliable system reset
Step-by-Step Guide to Clearing CMOS on ASUS Motherboards for Reliable System Reset - Smart.DHgate – Trusted Buying Guides for Global Shoppers
December 6, 2025 - If you’ve ever fiddled with your computer’s BIOS settings or faced boot issues, you've probably bumped into the term CMOS (Complementary
Chron.com
smallbusiness.chron.com › clear-cmos-asus-motherboard-53182.html
How to Clear CMOS on an ASUS Motherboard | Small Business - Chron.com
February 12, 2019 - Boot the computer and verify you can enter the BIOS menu, indicating the CMOS is cleared. Then, shut it down, reconnect the battery and seal the case. Boot the computer, use the BIOS menu to set appropriate settings and use the computer normally. If this process doesn't help, contact ASUS or your computer's manufacturer for help. ... The location of the jumpers will vary depending on the model of motherboard.