Latitude 5421 Service Manual

Removing the display assembly

1. Remove the two (M2x3) screws that secure the eDP cable bracket to the system board.
2. Lift the eDP cable bracket away from the system.
3. Peel the tape that secures the display cable to the system board.
4. Using the pull tab, disconnect the display cable from the connector on the system board.
5. Disconnect the eDP cable from the connector on the system board and unroute it from the routing guide.
6. Disconnect the IR camera cable from its connector on the system board (for models shipped with an IR camera).
7. Disconnect the touchscreen cable from its connector on the system board (for models shipped with a touchscreen).
8. Peel the adhesive tape partially and unroute the WLAN and WWAN antenna cables from the routing guides on the system board.
9. Remove the four (M2.5x5) screws that secure the display hinges to the system board.
10. Open the display hinges at an angle of 90 degrees.
11. Remove the display assembly from the system.