Remove The Cmos Battery - Lenovo V14 Gen 3 Hardware Maintenance Manual

Figure 51. Remove the Wi-Fi card
Screw specifications
M2 x L2.8
Go to
https://support.lenovo.com/partslookup
part:
Wi-Fi card

Remove the CMOS battery

Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 54
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the CMOS battery cable from the system board and then remove the CMOS battery.
Figure 52. Remove the CMOS battery
Number of screws
1
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
59