Dell Inspiron 15 3521, Service Manual

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NOTE: The power-adapter port is secured in place by the left display hinge. There is no screw, tape, or adhesives
securing the power-adapter port to the palm-rest. As a result, technicians should take note of whether the power-
adapter port has fallen out of the system during subsequent removal procedures.
2. Slide the display assembly at an angle and place the display assembly on the palm-rest and keyboard assembly.
3. Gently press down on the display hinges to align the screw holes on the display hinges with the screw holes on the palm-rest
and keyboard assembly.
4. Replace the four screws (M2.5x5) to secure the display hinges to the palm-rest and keyboard assembly.
5. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly.
6. Route the WLAN antenna cables into the routing hooks, on the palm-rest and keyboard assembly, and under the speaker
cable.
7. Connect the display cable and speaker cable to the respective connectors on the system board.
Next steps
1. Install the wireless card .
2. Install the base cover .
3. Install the secure digital card .
4. Follow the procedure in After working inside your computer .
Display hinge caps
Removing the display hinge caps
Prerequisites
1. Follow the procedure in Before working inside your computer .
2. Remove the secure digital card .
3. Remove the base cover .
4. Remove the wireless card .
5. Remove the display assembly .
Removing and installing components 47