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"Remove the lower case" on page 28
Step 1.
Disconnect the battery pack cable and the I/O board cables from the I/O board.
Figure 8. Disconnect the battery pack and I/O board cables
Step 2.
Remove three screws and remove the I/O board.
Figure 9. Remove three screws and the I/O board
Screw specifications
M2 x L3.7
Go to
https://support.lenovo.com/partslookup
replacement part:
I/O board
32
IdeaPad 3i Chromebook (15", 6) Hardware Maintenance Manual
Number of screws
3
to look up the Lenovo part numbers of the following
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