Dell Latitude 5550 Owners Manual - Page 81

Touchpad, Removing the touchpad

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Figure 40. Routing the cables Steps 1. Align the screw holes on the assembly-inner frame with the screw holes on the system board and the palm-rest assembly. 2. Replace the twelve screws (M2x3) that secure the assembly-inner frame to the palm-rest assembly. 3. Connect the speaker cable to the system board. 4. Route the speaker cables through the routing guides on the palm-rest assembly. 5. Route the antenna cables through the routing guides on the palm-rest assembly. Next steps 1. Install the wireless card. 2. Install the 4G WWAN card or 5G WWAN card, as applicable. 3. Install the battery. 4. Install the base cover. 5. Install the SIM card. 6. Follow the procedure in After working inside your computer. Touchpad Removing the touchpad CAUTION: The information in this removal section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the SIM card. 3. Remove the base cover. 4. Remove the battery. Removing and installing Field Replaceable Units (FRUs) 81

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Figure 40. Routing the cables
Steps
1.
Align the screw holes on the assembly-inner frame with the screw holes on the system board and the palm-rest assembly.
2.
Replace the twelve screws (M2x3) that secure the assembly-inner frame to the palm-rest assembly.
3.
Connect the speaker cable to the system board.
4.
Route the speaker cables through the routing guides on the palm-rest assembly.
5.
Route the antenna cables through the routing guides on the palm-rest assembly.
Next steps
1.
Install the
wireless card
.
2.
Install the
4G WWAN card
or
5G WWAN card
, as applicable.
3.
Install the
battery
.
4.
Install the
base cover
.
5.
Install the
SIM card
.
6.
Follow the procedure in
After working inside your computer
.
Touchpad
Removing the touchpad
CAUTION:
The information in this removal section is intended for authorized service technicians only.
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the
SIM card
.
3.
Remove the
base cover
.
4.
Remove the
battery
.
Removing and installing Field Replaceable Units (FRUs)
81