Power button with fingerprint reader, Removing the power button – Dell 14" Mobile Precision 3470 Mobile Workstation (Silver) User Manual

Page 49

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6. Connect the touchpad cable to the system board and close the latch to secure the cable to the system board.
7. Connect the USH board cable to the system board and close the latch to secure the cable to the system board.
8. Connect the touch screen cable from the connector on the system board (for models shipped with a touch screen).
9. Connect IR camera cable from the connector on the system board (for models shipped with an IR camera).
10. Route the display and eDP/display cable through the routing guide on the system board.
11. Connect the eDP/display cable to the connector on the system board.
12. Connect the display cable to the connector on the system board.
13. Adhere the tape that secures the display cable to the system board.
14. Align the screw holes on the eDP/display cable bracket with the screw holes on the system board.
15. Replace the two (M2x3) screws that secure the eDP/display cable bracket to the system board.

Next steps

1. Install the

heat sink

.

2. Install the

assembly inner frame

.

3. Install the

battery

.

4. Install the

wireless card

.

5. Install the

2280 solid-state drive

or

2230 solid-state drive

.

6. Install the

base cover

.

7. Install the

microSD card

.

8. Follow the procedure in

After working inside your computer

.

Power button with fingerprint reader

Removing the power button

Prerequisites

1. Follow the procedure in

Before working inside your computer

.

2. Remove the

microSD card

.

3. Remove the

base cover

.

4. Remove the

2280 solid-state drive

or

2230 solid-state drive

.

5. Remove the

memory modules

.

6. Remove the

battery

.

7. Remove the

wireless card

.

8. Remove the heat sink

heat sink

.

9. Remove the

assembly inner frame

.

10. Remove the

system board

.

NOTE:

The system board can be removed with the heat sink attached in order to simplify the procedure and preserve

the thermal bond between the system board and heat sink.

About this task

The following image indicates the location of the power-button board and provide a visual representation of the removal
procedure.

Removing and installing components

49

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