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Step 4.
Disconnect the USB board cable from the system board. Then, remove the USB board cable.
Figure 40. Disconnect and remove the USB board cable
Go to
https://support.lenovo.com/partslookup
replacement parts:
System board
USB board cable
Remove the system board (for 16–inch models)
Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 27
"Remove the battery pack" on page 29
"Remove the Wi-Fi card" on page 30
"Remove the 2242 solid-state drive" on page 32
"Remove the heat sink" on page 33
"Remove the fan" on page 34
"Remove the Type-C bracket (for 16-inch models)" on page 37
Step 1.
Disconnect the USB board cable from the USB board. Then, disconnect the speakers cable,
fingerprint cable, keyboard backlight cable, keyboard cable, touchpad cable, and EDP cable from
the system board.
Hardware Maintenance Manual
52
to look up the Lenovo part numbers of the following
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