Dell OptiPlex 5270 All-in-One Service Manual

Removing the display panel

1. Follow the procedure in Before working inside your computer.
2. Remove the following components:
   1. Stand
   2. Back cover
   3. System board shield
   4. Base cover
   5. I/O bracket
   6. System fan
   7. Hard drive
   8. WLAN card
   9. System board
   10. PSU
   11. PSU fan
   12. Camera
3. Remove the display backlight cable from the routing guides on the display assembly base [1].
4. Remove the 8 screws (M3x5) that secure the middle frame and display assembly base to the display panel [2].
   NOTE The screws that secure the middle frame and display assembly base to the display panel are silver in color and etched with "LCD" around the screw holes.

   
5. Place the system in upright position, holding the display panel and display assembly base, carefully release the display panel from middle frame and display assembly base [1].
6. Slide the display backlit cable through the slot on the display assembly base [2].
7. Lift the display panel off the middle frame and display assembly base [3].