Dell 5423 owner manual Removing the System Board

23 Removing the System Board

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/ regulatory_compliance.

NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in system setup 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 them correctly after you replace the system board.

Prerequisites

1Remove the memory module(s). 

See "Removing the Memory Module(s)" on page 11.

2Remove the optical drive. 

See "Removing the Optical-Drive Assembly" on page 15.

3Remove the keyboard. See "Removing the Keyboard" on page 19.

4Remove the palm-rest assembly. 

See "Removing the Palm-Rest Assembly" on page 25.

5Remove the battery. See "Removing the Battery" on page 31.

6Remove the hard drive. See "Removing the Hard Drive" on page 35.

7Remove the wireless Mini-Card. 

See "Removing the Wireless Mini-Card" on page 39.

8Remove the mSATA card. See "Removing the mSATA Card" on page 43.

Removing the System Board 57