How do I fix the CMOS checksum error after trying to Install the BIOS update on Acer TC-1785?

3graygirls
3graygirls Member Posts: 10

Tinkerer

I get this error on installing the Bios update 1.05: Setup settings error, CMOS checksum error or CMOS battery loss occur…

Default settings loaded.

Press <F1> to Continue

Press <Del> to Enter Bios Setup Menu.

How do I fix this?

Best Answer

  • StevenGen
    StevenGen ACE Posts: 13,501 Trailblazer
    Answer ✓

    The clear pin potions 2-3 are to clear the CMOS only and afterwards you put them back to the default pin positions, its like with laptops to clear CMOS you short the bios battery mobo plug +&- pins. Good luck and hope this helps you out further.

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