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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.
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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.
Discussions

Hot to reseset BIOS manually (Clear Cmos) Asus Ram... - Republic of Gamers Forum - 465327
With power to the board just push the clear cmos button for three seconds. More on rog-forum.asus.com
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March 6, 2024
Question 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, 2021
I accidentally pressed clear cmos
While trying to go change some of my bios setting. I pressed the clear cmos button on the back of my asus maximus IX hero while the power was on. My computer made a loud noise and restarted. I can get it to turn on but I can't boot windows up fully. I've went to boot override and booted windows... More on forums.tomshardware.com
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1
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June 26, 2018
how i reset cmos? - Republic of Gamers Forum - 379709
Hi 1st The clear bios / cmos button on the back how to use. Shut down pc leave power cable in press the clear bios / cmos button for around 30,secs turn pc back on that will clear the bios. More on rog-forum.asus.com
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March 7, 2024
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Visioncomputers
visioncomputers.com › asus-clear-cmos-3-ways
Clear CMOS on ASUS Motherboard 3 Ways | Vision Computers | Vision Computers
March 22, 2026 - Look at the back of the PC where the motherboard ports are. The CLR CMOS button is typically near the bottom of the I/O shield, sometimes next to the BIOS Flashback button. Do not confuse the two. The BIOS Flashback button is for flashing a BIOS file from a USB drive.
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Asus
asus.com › us › support › faq › 1030210
[Motherboard/Desktop] How to restore BIOS setting? | Official Support | ASUS USA
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....
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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 ...
Find elsewhere
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Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
I accidentally pressed clear cmos | Tom's Hardware Forum
June 26, 2018 - I would try unplugging the system from AC power and clearing the CMOS again. I may take doing that several times before it works. Clearing CMOS returns BIOS settings to default values.
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Asus
rog-forum.asus.com › t5 › other-motherboards › how-i-reset-cmos › td-p › 379709
how i reset cmos? - Republic of Gamers Forum - 379709
March 7, 2024 - Hi 1st The clear bios / cmos button on the back how to use. Shut down pc leave power cable in press the clear bios / cmos button for around 30,secs turn pc back on that will clear the bios.
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Gadget Pilipinas
gadgetpilipinas.net › home › review › asus rog crosshair x870e dark hero motherboard review
ASUS ROG Crosshair X870E DARK HERO Motherboard Review
March 31, 2026 - The ASUS ROG Crosshair X870E DARK Hero sports a pretty generous IO configuration and is probably the most packed IO in a motherobard that we’ve reviewed so far. It has two USB 4 40 Gbps ports, three USB Type-C 10 Gbps ports, six USB Type-A 10Gbps ports, one HDMI 2.1 port, one 10Gb RJ-45 port, one 5Gb Ethernet port, two 3.5mm audio jacks,and one optical S/PDIF port, a BIOS FlashBack button, one clear CMOS button, and a WiFi 7 connector.
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Asus
rog-forum.asus.com › t5 › z370-z390 › clear-cmos-button-on-rear-panel › td-p › 842966
Clear CMOS button on rear panel - Republic of Gamers Forum - 842966
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?
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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 ...
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MSI
msi.com › Motherboard › MAG-X870E-TOMAHAWK-WIFI
MAG X870E TOMAHAWK WIFI | Gaming Motherboards|Best Motherboard for AI PC|MSI
MAG X870E TOMAHAWK WIFI
The MAG X870E TOMAHAWK WIFI AMD AM5 gaming motherboard delivers cutting-edge connectivity, including Wi-Fi 7, 5G LAN, high-speed USB, DDR5, PCIe 5.0, and M.2 Gen5. Designed for AI-PCs and EZ DIY, it’s the top X870E ATX motherboard for AMD Ryzen 9000 CPU. Discover the MSI Center, a unified application that empowers users to control advanced motherboard features, optimize performance, and customize RGB lighting. With tools like AI Engine, Cooling Wizard, and real-time hardware monitoring, unleash your PC's potential effortlessly. Experience seamless gaming and system management today!
Rating: 5 ​
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VERSUS
versus.com › home › motherboard comparison › asus maximus vi formula › easy to reset bios
Easy to reset BIOS | Asus Maximus VI Formula | Versus
The motherboard has a button or switch on the rear panel to clear the CMOS, which resets the BIOS to factory settings.
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VideoCardz
videocardz.com › news › motherboards
MSI launches Z790MPOWER OC board equipped with dedicated OC Panel, MPOWER-branded DDR5 memory also revealed - VideoCardz.com
January 30, 2024 - Another feature that is not very common in the $200 price range is a dedicated daughter board for overclocking. The so-called EZ Dashboard has several functions, such as allowing users to power/restart, clear CMOS (BIOS) data, or check the LED for debugging data.
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Asus
rog-forum.asus.com › t5 › other-motherboards › how-to-clear-cmos › td-p › 463531
How to clear cmos? - Republic of Gamers Forum - 463531
March 6, 2024 - The user manual for your board will tell you how to clear CMOS. Different boards have different methods, most ASUS boards have a button on the in/out panel that has an arrow forming a circle.
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Asus
rog.asus.com › fi › support › faq › 1040820
[Motherboard] How to Clear CMOS | Virallinen tuki | ROG Suomi
March 24, 2026 - First, download the manual ... Document” page, click “Manual”, and then click “Download”. Find the CLRTC pin or Clear CMOS button in the manual....
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BiosBug
biosbug.com
Home - BiosBug
Start your laptop by pressing power ... enter button 3 times, system disabled box with 18-digit code appears.. ... Ever wondered how old is your laptop? Well.. nobody really thinks about that until it's time to sell or buy one. Just follow this tutorial! Visit AgeCast.com to calculate age of your laptop. ... YouTube channel! Easy way to remove or reset your Asus laptop bios ...
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Asus
rog-forum.asus.com › t5 › amd-500-400-series › clear-cmos-not-working › td-p › 704316
Clear CMOS not working? - Republic of Gamers Forum - 704316
March 6, 2024 - ... The function of safe boot is exactly that...to boot with previous settings retained but in safe mode..i.e. settings not applied but default settings. Clear CMOS is supposed to be done with power removed from board...i.e.
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Asus
rog-forum.asus.com › t5 › amd-500-400-series › clear-cmos › td-p › 633643
Clear CMOS - Republic of Gamers Forum - 633643
March 6, 2024 - Hello, All my previous motherboards din't had a problem using clear CMOS jumper or button. On my CH6 i press clear CMOS the lights go - 633643