Lenovo Flex 7 Hardware Maintenance Manual page 60

Figure 43. Peel off the tape
Step 2. Detach the touch panel cable connector then remove the touch panel cable with sensor board.
Figure 44. Remove the touch panel cable with sensor board
Step 3. Disconnect the touch panel cable from the sensor board.
Figure 45. Disconnect the touch panel cable from the sensor board
Go to
https://support.lenovo.com/partslookup
part:
Touch panel cable
54
Hardware Maintenance Manual
to look up the Lenovo part number of the following replacement