Precision 7750 Service Manual

1. Follow the procedure in before working inside your computer.
2. Remove the SD card.
3. Remove the SSD door.
4. Remove the secondary M.2 SSD.
5. Remove the base cover.
6. Remove the battery.
7. Remove the primary M.2 SSD.
8. Remove the SIM card.
9. Remove the secondary memory.
10. Remove the WWAN card.
11. Remove the WLAN card.
12. Remove the keyboard lattice.
13. Remove the keyboard.
14. Remove the primary memory.
15. Remove the heat-sink assembly.
16. Remove the inner frame.
17. Remove the GPU power cable.
18. Remove the GPU card.
19. Remove the system board.
20. Remove the display assembly.
21. Remove the speaker.
22. Remove the display bezel.
23. Remove the display panel.
24. Remove the P-sensor board.
25. Remove the display hinges.
26. Remove the camera .
27. Remove the display cable.

The picture below shows the display back cover after performing the pre-removal parts procedures for any display back cover replacement

For installing the components, place the display back cover on a flat surface.

1. Install the display cable.
2. Install the camera.
3. Install the display hinges.
4. Install the P-sensor board.
5. Install the display panel.
6. Install the display bezel.
7. Install the speaker.
8. Install the display assembly.
9. Install the system board.
10. Install the GPU card.
11. Install the GPU power cable.
12. Install the inner frame.
13. Install the heat-sink assembly.
14. Install the primary memory.
15. Install the keyboard.
16. Install the keyboard lattice.
17. Install the WLAN card.
18. Install the WWAN card.
19. Install the secondary memory.
20. Install the SIM card.
21. Install the primary M.2 SSD.
22. Install the battery.
23. Install the base cover.
24. Install the secondary M.2 SSD.
25. Install the SSD door.
26. Install the SD card.
27. Follow the procedure in after working inside your computer.