Dell Precision 7740 Service Manual

Removing the display assembly

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. SD card
   2. battery cover
   3. battery
   4. keyboard
   5. hard drive
   6. base cover
   7. WWAN card
   8. WLAN card
   9. palmrest
3. To remove display assembly:
   1. Remove the 2 (M2.5x5.0) screws at the bottom of the system that secures the display assembly in place [1].
   2. Unroute all the wireless antenna cables from the routing channels at the bottom of the system and next to the hinge caps [2] and unthread the antenna cables.
      
   3. Remove the 2 (M2.5x6.0) screws at the rear of the system that secures the display assembly in place.
      
   4. Open the display assembly to a 180-degree angle.
   5. Remove the 4 (M2.5x4.0) screws that secures the display hinge caps to the system [1].
   6. Remove the display hinge caps from the system [2].
      
   7. Remove the single (M2.0x3.0) screw that secures the eDP cable bracket to the system board [1].
   8. Remove the eDP cable bracket [2].
   9. Disconnect the eDP cable from the connector on the system board [3].
   10. Peel the adhesive tape that secures the eDP cable in place [4].
   11. Unroute the wireless cable from the routing channels located next to the hinges .
   12. Remove the display assembly [5].