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Go to
https://support.lenovo.com/partslookup
part:
Fan
Remove the I/O board module
Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 55
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 three screws and then open the hinge.
Figure 59. Remove three screws and then open the hinge
Screw specifications
M2.5 x L5
M2 x L4.5
Step 3.
Remove the piece of tape. Disconnect the I/O board cable from the system board. Remove the one
screw and then remove the I/O board with cable.
64
Hardware Maintenance Manual
to look up the Lenovo part number of the following replacement
Number of screws
2
1
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