Dell Vostro 15 – 3549 Owner's Manual

Removing the System Board

1. Follow the procedures in Before Working Inside Your Computer.
2. Remove:
   1. Battery.
   2. optical disk-drive.
   3. access panel.
   4. WLAN card.
   5. hard drive.
   6. memory module.
   7. keyboard.
   8. palmrest assembly.
3. Perform the following steps as shown in the illustration:
   1. Disconnect speaker and power cable [1].
   2. Disconnect display (eDP) cables [2].

   

4. Perform the following steps as shown in the illustration
   1. Lift the locking tab [1].
   2. Disconnect I/O cable [2].
   3. Disconnect and lift the eDP cable away from the system board [3,4].
   4. Remove the screws that secure the system board to the chassis [5].

   

5. Lift and remove the system board from the chassis.