Dell 3451 Service Manual download pdf (Page 45)

Replacing the power-button

board

WARNING: Before working inside your computer, read the safety

information that shipped with your computer and follow the steps in

Before working inside your computer. After working inside your

computer, follow the instructions in After working inside your

computer. For more safety best practices, see the Regulatory

Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Slide the power-button board under the tab on the palm-rest assembly

and align the screw hole on the power-button board with the screw hole

on the palm-rest assembly.

2 Replace the screw that secures the power-button board to the palm-rest

assembly.

3 Slide the power-button board cable through the slot on the palm-rest

assembly.

4 Turn the palm-rest assembly over.

Post-requisites

1 Follow the procedure from step 4 to step 11 in “Replacing the palm rest”.

2 Replace the keyboard.

3 Follow the procedure from step 4 to step 6 in “Replacing the hard drive”.

4 Replace the base cover.

5 Replace the battery.

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Dell 3451 Service Manual Page 45