For 17-Inch Models - Lenovo 82RK00P5IX Hardware Maintenance Manual

Figure 34. Remove the USB board
Screw specifications
M2 x L3.5
Go to https://support.lenovo.com/partslookup
replacement parts:
USB board
For 17–inch models
Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable and the USB board cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Figure 35. Disconnect the battery pack and the USB board cable
Number of screws
1
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
49