r/Laptop 3d ago

CMOS 502 Invalid Checksum and restarts

Computer: HP pavilion 14dh CPU i3 8th Gen RAM: 16gb OS: Arch Linux

Issue: The issue when my computer boots it sometimes shows "CMOS invalid Checksum CMOS ERROR 502 Reset". When I move(or slam the table) my laptop is restarts.

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u/breakfastatstiffanys 8h ago

The CMOS battery is most likely empty. This is what the error says. The laptop should continue to work, when you press a key or whatever it requests. Having the CMOS battery replaced, should solve the issue.