Heat Sink; Removing The Heat Sink And Fan Assembly - Uma Configuration - Dell Latitude 5521 Service Manual

Steps
1. Align the screw hole on the LED board with the screw hole on the palm-rest assembly.
2. Replace the single screw (M2x3) to secure the LED board to the palm-rest assembly.
3. Route the LED-board cable and connect the cable to the connector on the system board.
CAUTION: Do not route the LED-board cable under the coin-cell battery. Incorrect routing of the LED-board
cable may damage the LED board, LED-board cable, and system board.
4. Connect the touchpad cable to the connector on the system board.
Next steps
1. Install the assembly inner
2. Install the battery.
3. Install the hard drive.
4. Install the WWAN card.
5. Install the WLAN card.
6. Install the 2280 solid-state drive
7. Install the base cover.
8. Install the microSD card.
9. Install the SIM card.
10. Exit Service Mode.
11. Follow the procedure in

Heat sink

Removing the heat sink and fan assembly - UMA configuration

Prerequisites
1. Follow the procedure in
46 Removing and installing components
frame.
or 2230 solid-state
After working inside your
Before working inside your
drive.
computer.
computer.