POST Errors: CMOS

Error Message

Description

CMOS Date/Time Not Set

The CMOS Date and/or Time are invalid. This error can be resolved by readjusting the system time in BIOS Setup utility.

CMOS Battery Low

The CMOS battery is low. Typically, this message indicates the CMOS battery must be replaced. It could also appear when the user intentionally discharges the CMOS battery.

CMOS Settings Wrong

The CMOS settings are invalid. This error can be resolved using the BIOS Setup utility.

CMOS Checksum Bad

CMOS contents failed the Checksum test, indicating the CMOS data has been changed by a program other than the BIOS or the CMOS is not retaining its data due to malfunction. Typically, this error can be resolved using the BIOS Setup utility.