Dell Vostro 7620 Service Manual - Page 53

Power button with optional fingerprint reader

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Steps 1. Place the power-button board on the palm-rest and keyboard assembly. 2. Align the screw holes of the power-button board with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) that secure the power-button board to the palm-rest and keyboard assembly. 4. Connect the power-button board cable to the I/O board and close the latch. 5. Close the left display hinge and align the screw holes on the left display hinge with the screw holes on the palm-rest and keyboard assembly. 6. Replace the two screws (M2.5x5) that secure the left display hinge of the display assembly to the system board. Next steps 1. Install the heat sink. 2. Install the left fan. 3. Install the base cover. 4. Follow the procedure in After working inside your computer. Power button with optional fingerprint reader Removing the power button with optional fingerprint reader Prerequisites 1. Follow the procedure in Before working inside your computer. Removing and installing components 53

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Steps
1.
Place the power-button board on the palm-rest and keyboard assembly.
2.
Align the screw holes of the power-button board with the screw holes on the palm-rest and keyboard assembly.
3.
Replace the two screws (M2x3) that secure the power-button board to the palm-rest and keyboard assembly.
4.
Connect the power-button board cable to the I/O board and close the latch.
5.
Close the left display hinge and align the screw holes on the left display hinge with the screw holes on the palm-rest and
keyboard assembly.
6.
Replace the two screws (M2.5x5) that secure the left display hinge of the display assembly to the system board.
Next steps
1.
Install the
heat sink
.
2.
Install the
left fan
.
3.
Install the
base cover
.
4.
Follow the procedure in
After working inside your computer
.
Power button with optional fingerprint reader
Removing the power button with optional fingerprint reader
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
Removing and installing components
53