Alienware m15 R7 AMD Service Manual page 56

Steps
1. Remove the two screws (M2x4) that secure the Type-C bracket to the system board.
2. Lift the Type-C bracket off the system board.
3. Peel the tape that secures the display-cable connector latch to the system board.
4. Open the latch and disconnect the display cable from the system board.
5. Disconnect the Alien head LED-cable from the system board.
6. Peel the display cable off the system board and move it out of the way.
7. Lift the corner of the Mylar covering the system board.
8. Disconnect the power-adapter port-cable from the system board.
9. Peel the power-adapter port-cable from the Mylar.
10. Disconnect the right-fan cable from the system board.
11. Disconnect the speaker cable from the system board.
12. Open the latch and disconnect the touchpad cable from the system board.
13. Open the latch and disconnect the keyboard-controller board cable from the system board.
14. Disconnect the left-fan cable from the system board.
15. Open the latch and disconnect the power-button cable from the system board.
16. Disconnect the camera cable from the system board.
17. Lift the Mylar that covers the tapes that secure the camera cable to the system board.
18. Peel the tapes securing the camera cable to the system board and lift the camera cable off the system board.
NOTE: Step 16 to step 18 are applicable only for computers shipped with an infrared camera.
19. Remove the seven screws (M2x4) that secure the system board to the palm-rest and keyboard assembly.
20.Remove the screw (M2x2) that secures the system board to the palm-rest and keyboard assembly.
21. Hold firmly on the left and right fans and lift the system-board assembly off the palm-rest and keyboard assembly.
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