Dell G15 5520-4132 Service Manual page 47

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8. Remove the
system
board.
NOTE:
System board can be removed with the fan and heat-sink assembly, I/O board, and USB board attached.
Steps
1. Turn the system board over.
2. Remove the two screws (M2x4) that secure the I/O board to the system board.
3. Disconnect and remove the I/O board from the system board.
Installing the I/O board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.
Removing and installing components
47

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G15 5520P105f

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