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Update : 2025/11/02 23:01
[Motherboard] How to Clear CMOS
How to Reset Motherboard BIOS Settings?
Clear CMOS clears the Real Time Clock (RTC) random access memory in CMOS, which contains the date, time, BIOS password and BIOS setup parameters.
Currently there are 3 ways to clear CMOS as follows:
1: Clear CMOS button
2: CLRTC Pin
3: Remove CMOS Battery
Q&A: Q1: How to confirm the way of Clear CMOS supported by the MB is CLRTC pin or Clear CMOS button ?
Q2: Usage scenarios of Clear CMOS(Example: unstable/crash/freeze if overclock )
Part 1: Clear CMOS (CLR_CMOS) button





Part 3: Remove CMOS Battery
3.1 Battery in holder


3.2 Battery in wired


Q&A:
Q1: How to confirm the way of Clear CMOS supported by the MB is CLRTC pin or Clear CMOS button ?
A1: You can check the information on ASUS website.




Q2: Usage scenarios of Clear CMOS(Example: unstable/crash/freeze if overclock )
A2: When CPU/memory are overclocked or changed the frequency/voltage settings, Clear CMOS can be performed to restore the BIOS settings if unstable/crash/freeze problems appear.
Notice
Above information might be partly or entirely quoted from exterior websites or sources. please refer to the information based on the source that we noted. Please directly contact or inquire the sources if there is any further question and note that ASUS is neither relevant nor responsible for its content/service.
This information may not suitable for all the products from the same category/series. Some of the screen shots and operations could be different from the software versions.
ASUS provides the above information for reference only. If you have any questions about the content, please contact the above product vendor directly. Please note that ASUS is not responsible for the content or service provided by the above product vendor.