Lenovo ThinkEdge SE455 V3 User Manual page 94

Step 3. Open the retaining latch to disengage the battery; then, lift the battery to remove it from the seat.
Attention: Do not lift the battery by using excessive force. Failing to remove the battery properly
may damage the socket on the system board. Any damage to the socket may require replacing the
system board.
Figure 57. Removing the CMOS battery
After this task is completed
1. Dispose of the CMOS battery as required by local ordinances or regulations.
2. Install a replacement unit. See
Install a CMOS battery (CR2032)
Follow instructions in this section to install a CMOS battery (CR2032).
About this task
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
S004
CAUTION:
86 ThinkEdge SE455 V3 User Guide
"Install a CMOS battery (CR2032)" on page 86.