Remove The I/O Brackets; M2.5 X L5.5; Remove The Lower Case - Lenovo ThinkBook 14s Yoga Gen 3 Hardware Maintenance Manual

Go to
https://support.lenovo.com/partslookup
part:
CMOS battery

Remove the I/O brackets

Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 30
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. Remove four screws and then open the hinges.
Figure 15. Remove four screws and open the hinges
Screw specifications

M2.5 x L5.5

Step 3. Remove five screws and then remove the I/O bracket (left) and I/O bracket (right).
to look up the Lenovo part number of the following replacement
Number of screws
4
.
Chapter 4 Removing a FRU or CRU
37