Power Button With Fingerprint Reader (Optional); Removing The Power Button With Fingerprint Reader (Optional) - Dell P139G Service Manual

4. Align the fingerprint reader metal bracket and replace the single (M2x4) screw it to the system board.
NOTE: Systems with non-fingerprint reader configuration do not have a fingerprint reader bracket.
5. Place the type-C bracket and replace the three (M2x5) screws to secure it.
6. Connect the display eDP cable to its connector on the system board and close the latch.
7. Adhere the conductive tape to cover the eDP cable.
8. Connect the display cable to its connector on the system board.
9. Align the display cable bracket and replace the single (M2x4) screw to secure the display cable bracket to the system board.
10. Connect the speaker cable from the connector on the system board.
11. Connect the USH cable from its connectors on the system board.
12. Connect the LED cable from its connectors on the system board.
13. Connect the clickpad cable from its connectors on the system board.
Next steps
1. Install the heat sink.
2. Install the fan.
3. Install the M.2 2280 SSD card
4. Install the WWAN card
5. Install the WLAN card.
6. Install the battery.
7. Install the base cover.
8. Install the SIM card.
9. Install the microSD card.
10. Follow the procedure in

Power button with fingerprint reader (optional)

Removing the power button with fingerprint reader (optional)

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
3. Remove the WLAN card.
4. Remove the WWAN card
5. Remove the battery.
6. Remove the fan.
7. Remove the heat sink.
8. Remove the system board.
About this task
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.
The following images indicate the location of the power-button board and provide a visual representation of the removal
procedure.
or M.2 2230 SSD
(optional).
after working inside your
before working inside your
(optional).
card.
computer.
computer.
Removing and installing components 47