Dell NOT22422 Owner's Manual page 91

Steps
1. For systems shipped with a GPU card, remove the four (M1.4x4) T5 Torx screws that secure the GPU card FPC in place.
2. For systems shipped with a GPU card, remove the GPU card FPC from the system board.
3. For systems shipped with a GPU card, remove the two GPU card FPC interposer boards from the system board.
4. For systems shipped with a GPU card, remove the four (M1.6x4.5) screws that secure the GPU card bridge in place.
5. For systems shipped with a GPU card, remove the GPU card bridge from the system board.
6. For systems shipped with a WLAN card, loosen the captive screw that secures the WLAN bracket in place.
7. For systems shipped with a WLAN card, remove the WLAN bracket from the system board.
8. For systems shipped with a WLAN card, disconnect the antenna cables from the connectors on the WLAN module.
9. For systems shipped with a WLAN card, unroute the antenna cables from the metal clips on the system board.
10. Remove the two (M1.4x4) screws that secure the display FPC cover in place.
11. Flip open the display FPC cover.
12. Remove the two (M1.4x4) T5 Torx screws that secure the display FPC in place.
13. Disconnect the display FPC cable from the connector on the system board.
14. Remove the display FPC interposer board from the system board.
NOTE: Technicians must remove the interposer board immediately after disconnecting the display FPC to prevent the
board from falling out of the system during subsequent removal procedures. The pins on the interposer board are very
fragile. Avoid contact with the pins on the board, instead handle the board by lifting and holding from the edges or the
sides.
90 Removing and installing Field Replaceable Units (FRUs)