Remove The Dummy Fan (For Selected Models) - Lenovo 14e Chromebook Gen 3 Hardware Maintenance Manual

Figure 14. Disconnect the FFCs, remove two screws and the I/O board
Screw specifications
M2.0 × L4.5
Go to https://support.lenovo.com/partslookup
replacement part:
I/O board

Remove the dummy fan (for selected models)

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 30
"Remove the 14-pin I/O board FFC (for selected models)" on page 35
"Remove the 40-pin I/O board FFC (for selected models)" on page 36
Step 1. Remove one screw and remove the dummy fan.
Number of screws
2
to look up the Lenovo part numbers of the following
.
Chapter 5 Removing a FRU or CRU
39