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Keyboard and Mouse does not work in bios

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Xaltar View Drop Down
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Joined: 16 May 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2020 at 2:40pm
Interesting, thanks for sharing your fix meatofalltrades and djbello. It sounds
to me like either an ESD (static discharge) causing corruption in the RTC (real
time clock) or possibly a mild short caused by touching solder points during
assembly shunting a small current to the BIOS ROM to the same effect. Either way
pulling the CMOS battery and clearing CMOS will always resolve RTC issues.
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gurtmurt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gurtmurt Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 2022 at 12:16am
Came here to post the fix when I had this issue. BIOS wasn't detecting keyboard or mouse inputs but was giving them power. Turned out I was using a bad M.2 NVMe and as soon as I removed that from the board I was able to get into the BIOS. I'm currently using a different m.2 NVMe in the same slot so it was definitely an issue with the drive, not the board.
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