What to do if Fujitsu Notebook pc shows 'System CMOS checksum bad'?
- LLeah GutierrezSep 9, 2025
If your Fujitsu Notebook PC shows 'System CMOS checksum bad', switch the notebook off and then on again. Press the F2 key to enter BIOS Setup, select the Exit menu, choose 'Load Setup Defaults', and then select OK.








