Remove The Fans - Lenovo ThinkBook 13s Gen 4 Hardware Maintenance Manual

Figure 17. Remove the heat sink
Screw specifications
M2 x L3
Go to
https://support.lenovo.com/partslookup
part:
Heat sink

Remove the fans

Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 28
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. Peel off the tape.
Figure 18. Peel off the tape
Step 3. Peel back the tape. Disconnect the fan cables from the I/O board and the system board. Release
the antenna cables from the cable guide.
36
Hardware Maintenance Manual
Number of screws
3
to look up the Lenovo part number of the following replacement