Lenovo 7D31, Maintenance Manual

Page: 132 / 274

Figure 41. CMOS battery location on the system board
Table 21. CMOS battery location
1
CMOS battery
Step 2. Gently press on the nub on the side of the CMOS battery as illustrated; then, 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 42. Removing the CMOS battery
Step 3. Pick up the battery with finger tips.
After this task is completed
• Install a replacement unit (see “Install the CMOS battery (CR2032)” on page 125).
124
ThinkSystem SR850 V2 Maintenance Manual