Lenovo ThinkEdge SE360 V2 User Manual page 146

Note: If 3V security battery is replaced, the system enters System Lockdown Mode and needs to
be activated or unlocked. See
Remove the system battery
Procedure
Step 1. Depending on the configuration, remove the power module board or internal power supply unit.
See "Remove the power module board (PMB)" on page 215
unit (AC PMB)" on page
Step 2. Remove the CMOS battery.
a. Gently press on the nub on the side of the CMOS battery as illustrated.
b. Pivot the battery away from the seat to remove it.
Attention: Avoid excessive force on the CMOS battery, as it might damage the socket on the
system board and result in system board replacement.
Figure 138. 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
Remove the security battery
Procedure
Step 1. If applicable, remove the wireless adapter. See
Step 2. Remove the CMOS battery.
a. Gently press on the nub on the side of the CMOS battery as illustrated.
b. Pivot the battery away from the seat to remove it.
Attention: Avoid excessive force on the CMOS battery, as it might damage the socket on the
system board and result in system board replacement.
Figure 139. Removing the CMOS battery
After this task is completed
ThinkEdge SE360 V2 User Guide
136
"Activate or unlock the system" on page
151.
"Install a CMOS battery (CR2032)" on page
"Remove the wireless adapter" on page
357.
or "Remove the internal power supply
137.
285.