Dell Latitude 5550 Owners Manual - Page 83

Speakers, Removing the speakers

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Figure 42. Installing the touchpad Steps 1. Place the touchpad into its slot on the palm-rest assembly. 2. Align the screw holes on the touchpad to the screw holes on the palm-rest assembly. 3. Replace the five screws (M2x2.5) that secure the touchpad to the palm-rest assembly. 4. Lift up the flap below the touchpad cable and replace the screw (M2x2.5) that secures the touchpad to the palm-rest assembly. 5. Connect the touchpad cable to the connector on the touchpad and close the latch to secure the cable. 6. Connect the keyboard-backlight cable to the connector on the touchpad and close the latch to secure the cable. 7. Connect the keyboard cable to the connector on the system board and close the latch to secure the cable. 8. Adhere the keyboard cable to the touchpad. Next steps 1. Install the assembly inner frame. 2. Install the wireless card. 3. Install the 4G WWAN card or 5G WWAN card, as applicable. 4. Install the battery. 5. Install the base cover. 6. Install the SIM card. 7. Follow the procedure in After working inside your computer. Speakers Removing the speakers 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. Removing and installing Field Replaceable Units (FRUs) 83

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Figure 42. Installing the touchpad
Steps
1.
Place the touchpad into its slot on the palm-rest assembly.
2.
Align the screw holes on the touchpad to the screw holes on the palm-rest assembly.
3.
Replace the five screws (M2x2.5) that secure the touchpad to the palm-rest assembly.
4.
Lift up the flap below the touchpad cable and replace the screw (M2x2.5) that secures the touchpad to the palm-rest
assembly.
5.
Connect the touchpad cable to the connector on the touchpad and close the latch to secure the cable.
6.
Connect the keyboard-backlight cable to the connector on the touchpad and close the latch to secure the cable.
7.
Connect the keyboard cable to the connector on the system board and close the latch to secure the cable.
8.
Adhere the keyboard cable to the touchpad.
Next steps
1.
Install the
assembly inner frame
.
2.
Install the
wireless card
.
3.
Install the
4G WWAN card
or
5G WWAN card
, as applicable.
4.
Install the
battery
.
5.
Install the
base cover
.
6.
Install the
SIM card
.
7.
Follow the procedure in
After working inside your computer
.
Speakers
Removing the speakers
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
.
Removing and installing Field Replaceable Units (FRUs)
83