Remove The Heat Sink - Lenovo Slim Pro 7i Hardware Maintenance Manual

I/O board cable

Remove the heat sink

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 26
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 system mylar.
Figure 14. Peel off the system mylar
Step 3. Remove six screws and then remove the heat sink.
Figure 15. Remove the heat sink
Screw specifications
M1.6 x L1.7
Go to
https://support.lenovo.com/partslookup
part:
Heat sink
Number of screws
6
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
33