How to replace bios battery at old Dell laptop Inspiron Series CMOS checksum bad (Error 0251 & 0271)
3:53
YouTubeAlex Z. (MainComputer)
How to replace bios battery at old Dell laptop Inspiron Series CMOS checksum bad (Error 0251 & 0271)
You got an error 0271: Check date and time settings and also 0251: System CMOS checksum bad" - Default configuration used Press F1 to resume, F2 to Setup ?? I am pretty sure that your bios battery is empty - normally after 5 to 10 years. In this quick video i will show you a old 2010 Dell Inspirion 1564 (7282) Laptop (it looks brand new with no ...
40.2K viewsJan 23, 2021
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