User Manual
Page 112
... the following error message during startup: BAD RTC BATTERY BAD CHECKSUM (CMOS) CHECK SYSTEM Charging the RTC battery Your computer has an internal real-time clock (RTC) battery. Leave the power connected and the battery should begin charging after a few minutes. 112 Mobile Computing Charging batteries The battery may have become completely discharged while your computer's configuration...
... the following error message during startup: BAD RTC BATTERY BAD CHECKSUM (CMOS) CHECK SYSTEM Charging the RTC battery Your computer has an internal real-time clock (RTC) battery. Leave the power connected and the battery should begin charging after a few minutes. 112 Mobile Computing Charging batteries The battery may have become completely discharged while your computer's configuration...