Installing The System Board - Dell Inspiron 15 5515 Service Manual

Steps
1. Remove the three (M2.5x4) screws that secure the right display hinge to the palm-rest and keyboard assembly.
2. Open the right display hinge at an angle of 90 degrees.
3. Peel the tape that secures the display cable to the system board.
4. Open the latch and disconnect the display cable from the system board.
5. Peel the tape and disconnect the power-adapter port cable from the system board.
6. Remove the two (M2x4) screws that secure the USB Type-C bracket to the system board.
7. Open the latch, and disconnect the keyboard backlit cable from the system board.
8. Open the latch, and disconnect the keyboard cable from the system board.
9. Open the latch, and disconnect the touchpad cable from the system board.
10. Disconnect the speaker cable from the system board.
11. Peel the tape and disconnect the I/O-board cable from the system board.
12. Remove the three (M2x2) screws that secure the system board to the palm-rest and keyboard assembly.
13. Lift the system board off the palm-rest and keyboard assembly.

Installing the system board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
NOTE: When replacing/accessing other parts, the system board can be installed with the heat sink attached in order to
simplify the procedure and preserve the thermal bond between the system board and heat-sink.
NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
Removing and installing components 55