Wlan-Antenna Module; Removing The Wlan-Antenna Module - Dell P174G Service Manual

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Steps
1. Place the system board into the respective slot on the palm-rest and keyboard assembly.
NOTE:
Transfer the reusable WLAN absorbers to the new system board while replacing the system board.
2. Replace the two screws (M2.2x5) and three screws (M2x4)securing the system board in place.
3. Connect the (1) camera cable, (2) display cable, (3) clickpad flexible flat cable, and (4) USH daughter board flexible flat
cable (for models shipped with a USH daughter board) on the system board.
4. Replace the I/O daughter-board bridge connector board on the system.
NOTE:
When re-installing the I/O daughter-board bridge connector board align the connector so that the arrows
etched on the connector are pointed upward towards the heat-sink and fan assembly.
NOTE:
When re-installing the I/O daughter-board bridge connector board secure the six screws (M2x4) in sequential
order (1 > 2 > 3 > 4 > 5 > 6) marked on the FPC.
5. Replace the six screws (M2x4) securing the I/O daughter-board bridge connector board in place.
6. Align and place the display cable bracket on the system.
7. Replace the two screws (M2x2) securing the display cable bracket on the system board.
8. Connect the WLAN Main and Aux antenna to the WLAN module.
9. Replace the WLAN module bracket on the system.
10. Replace the single screw (M2x2) screw securing the WLAN module bracket in place.
Next steps
1. Install the heat-sink.
2. Install the
2-cell battery
3. Install the
M.2 2230 solid-state
4. Install the
base
cover.
5. Follow the procedure in

WLAN-antenna module

Removing the WLAN-antenna module

Prerequisites
1. Follow the procedure in
2. Remove the
base
cover.
3. Remove the
M.2
SSD.
4. Remove the
WWAN
card.
5. Remove the
2-cell battery
6. Remove the
heat
sink.
7. Remove the
system
board.
About this task
NOTE:
This procedure applies only to computers shipped with a WLAN-antenna module installed on the palm-rest and
keyboard assembly.
The following images indicate the location of the WLAN-antenna module and provide a visual representation of the removal
procedure.
52
Removing and installing components
or
the3-cell
battery, whichever is applicable.
drive.
After working inside your
Before working inside your
or
the3-cell
battery, whichever is applicable.
computer.
computer.

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