Remove The I/O Board - Lenovo IdeaPad Pro 5 Hardware Maintenance Manual

Figure 17. Remove the fans
Screw specifications
M2 x L3.5
Go to
https://support.lenovo.com/partslookup
part:
Fans

Remove the I/O board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the heat sink" on page 34
Step 1. Remove one fan. For details, see "Remove the fans" on page 35.
Step 2. Remove two screws and then open the hinge.
Figure 18. Remove two screws and then open the hinge
36
Hardware Maintenance Manual
Number of screws
5
to look up the Lenovo part number of the following replacement