Remove the CMOS battery
Follow this procedure to remove the CMOS battery.
When replacing the lithium battery, use only Lenovo specified part number or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.
- Throw or immerse into water
- Heat to more than 100°C (212°F)
- Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
Read the safety information and installation guidelines (see Safety and Installation guidelines).
Turn off the server and peripheral devices, and disconnect the power cords and all external cables (see Power off the server).
If the server is in a rack, remove it from the rack.
Remove any locking device that secures the server cover, such as a Kensington lock or a pad lock.
- Remove the server cover (see Remove the server cover).CAUTIONThe heat sinks and processor could be very hot. To avoid from burning yourself, wait for a few minutes after turning off the server before you remove the server cover.
Remove the PCIe adapter installed in slot 1 if necessary (see Remove a PCIe adapter).
To remove the CMOS battery, complete the following steps:
Install a new CMOS battery. See Install the CMOS battery.
Dispose the CMOS battery as required by local ordinances or regulations.
Demo video