Installing The System Board - Dell Alienware m15 R4 Service Manual

14. Disconnect the G-sensor cable from the connector on the system board.
15. Remove the two (M2x4.5) screws that secure the fan and heat-sink assembly to the palm-rest assembly.
16. Remove the three (M2x3) screws that secure the fan and heat-sink assembly to the palm-rest assembly.
17. Remove the five (M2x3) screws that secure the system board to the palm-rest assembly.
18. Remove the two (M2x3) screws that secure the left I/O-board to the palm-rest assembly.
19. Lift the system-board assembly from the palm-rest assembly and turn the system-board assembly over.
NOTE: When the system board is removed it is removed as an assembly consisting of:
● system board
● left I/O-board
● fan and heat-sink assembly
NOTE: When lifting the system board, hold firmly on the left and right sides of the fan and heat-sink assembly.
CAUTION: To avoid damaging your computer, do not support the system board by the left I/O-board when lifting the
system board.
20.Remove the left I/O-board.
21. Remove the fan and heat-sink

Installing the system board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image(s) indicate the location of the system board and provides a visual representation of the installation procedure.
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assembly.