User Manual
Page 103
... whether the computer is in the following conditions: ❖ The battery is powered off . The RTC battery may not start charging immediately under the following error message during startup: BAD RTC BATTERY BAD CHECKSUM (CMOS) CHECK SYSTEM The battery may have become completely discharged while your computer's configuration settings. When fully charged, it reaches room...
... whether the computer is in the following conditions: ❖ The battery is powered off . The RTC battery may not start charging immediately under the following error message during startup: BAD RTC BATTERY BAD CHECKSUM (CMOS) CHECK SYSTEM The battery may have become completely discharged while your computer's configuration settings. When fully charged, it reaches room...