Replacing The Cmos Battery - Lenovo 7387 Hardware Maintenance Manual

Replacing the CMOS battery

If the CMOS battery fails, the date, time, and configuration information (including
passwords) are lost. An error message is displayed when you turn on the
computer.
1. Refer to "Safety notices (multi-lingual translations)" on page 7 for information
2. Turn off the computer and all attached devices.
3. Remove the left-side cover. See "Removing the covers" on page 84.
4. Locate the battery. See "Identifying parts on the system board" on page 87.
5. If necessary, remove any adapters that impede access to the battery. See
6. Remove the old battery.
7. Install the new battery.
8. Replace any adapters that were removed to gain access to the battery. See
9. Go to "Completing the FRU replacement" on page 112.
92
Lenovo 3000 J Series
about replacing and disposing of the battery.
"Replacing a PCI adapter" on page 91 for more information.
"Replacing a PCI adapter" on page 91 for instructions for replacing adapters.
Note: When the computer is turned on for the first time after battery
replacement, an error message might be displayed. This is normal after
replacing the battery.