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Figure 18. Remove I/O board
Callout number
3
Go to
https://support.lenovo.com/partslookup
part:
I/O board
Remove the system board
Make sure the following FRU (or CRU) have been removed.
"Remove the lower case" on page 30
"Remove the battery pack" on page 32
"Remove the coin-cell battery" on page 31
"Remove the WLAN card" on page 34
"Remove the M.2 solid-state drive" on page 37
"Remove the heat sink" on page 38
"Remove the fans" on page 39
"Remove the USB-C bracket" on page 41
"Remove the I/O board" on page 42
Step 1.
Disconnect the EDP cable, touch pad cable, keyboard cable, FFC, and LVDS cable from system
board and I/O board.
Screw specifications
M2 x L3
to look up the Lenovo part number of the following replacement
Number of screws
2
.
Chapter 4
Removing a FRU or CRU
43
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