Remove The Upper Case Assembly - Lenovo Yoga 6 Hardware Maintenance Manual

Go to
https://support.lenovo.com/partslookup
replacement part:
System board

Remove the upper case assembly

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 30
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Figure 30. Disconnect the battery pack cable
Step 2. Disconnect the EDP cable and camera and sensor board cable from the system board. Then,
remove six screws.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
47