Vostro 15 3530 Owner's Manual

Removing the system board

CAUTION:The information in this section is intended for authorized service technicians only.

Follow the procedure in Before working inside your computer.
Remove the base cover.
Remove the memory module.
Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
Remove the wireless card.
Remove the fan.
Remove the heat sink - integrated or the heat sink - discrete, whichever applicable.
NOTE:When removing the system board to replace/access other parts, the system board can be removed with the heat sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and heat sink.

The following image indicates the connectors on your system board.

Image of system board connectors of Vostro 15 3530

The following images indicate the location of the system board and provide a visual representation of the removal procedure.

Image of removing the system board

Remove the two screws (M2.5x5) that secure the right display hinge to the system board and the palm-rest and keyboard assembly.
Using a plastic scribe, lift the right display hinge away from the palm-rest and keyboard assembly.
Disconnect the following cables from the system board:
1. I/O daughter-board FFC
2. eDP cable
3. Power-adapter port cable
4. Keyboard FFC
5. Keyboard-backlight FPC
  NOTE:This step applies only to computers shipped with a keyboard backlight installed.
6. Battery cable
7. Touchpad FFC
8. Speaker cable
Remove the screw (M2x2) and the four screws (M2x3.5) that secure the system board to the palm-rest and keyboard assembly.
NOTE:DO NOT remove the USB Type-C bracket from the system board, for individual replacement. The system board and the USB Type-C bracket are replaced as an assembly part.
Carefully lift and remove the system board from the palm-rest and keyboard assembly.