CMOS checksum error, CMOS Reset (502) after battery replacem...
Or, read the advice given on REDDIT, for a similar problem: CMOS checksum invalid, HP 15-da0347ng : techsupport (reddit.com) How old is your computer? Was this reply helpful? Yes No jo1612 Author 4 2 0 Level 1 09-03-2021 12:40 AM I find it odd ...