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68 Posts


July 10th, 2023 15:00

BIOS - factory settings or default settings?

Hi! I had to replace the CMOS battery in my Dell Vostro 5880 and afterwards it is now asking me to set the BIOS to either factory settings, default settings, or last known working setting. Which setting is the CORRECT one to select? Thank you for the help!

6 Professor


7.1K Posts

July 24th, 2023 19:00

I see you posted on 7/10 and no answer yet.

Use "last know working setting."  If certain settings change, BIOS may not find boot drive, and a no boot scenario is caused.  Certain BIOS settings have to be the same as the boot drive was loaded in.

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