Service Manual

Removing the system-board assembly

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the

steps in Before working inside your computer. After working inside your computer, follow the instructions in After working

inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/

regulatory_compliance.

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.

NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You

must make the appropriate changes again after you replace the system board.

NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can

reconnect the cables correctly after you replace the system board.

Prerequisites

1. Remove the

base cover.

2. Remove the

wireless card.

3. Remove the

solid-state drive.

4. Remove the rear-I/O cover.

5. Remove the

computer base.

6. Remove the memory modules.

Procedure

1. Turn the computer over.

2. Peel the tape that secures the display cable to the system board.

3. Open the latch and disconnect the display cable from the system board.

4. Disconnect the tobii eye-tracker board cable from the system board.

5. Using the pull-tab, disconnect the power-button board cable from the system board.

6. Disconnect the logo-board cable from the system board.

7. Turn the computer over.