System Board

Description

Spare part number

 

 

System board for use in models without Windows 8 (includes thermal material)

657094-001

 

 

System board for use in models with Windows 8 Standard (includes replacement thermal

657094-501

material)

 

 

 

System board for use in models with Windows 8 Professional (includes replacement thermal

657094-601

material)

 

 

 

1.Prepare the computer for disassembly (Preparation for Disassembly on page 75).

2.Remove the access panel (Computer Access Panel on page 123).

3.Remove the front fan assembly (Front Fan Assembly on page 147).

4.When replacing the system board, make sure the following components are removed from the defective system board and installed on the replacement system board:

●Memory modules (Memory on page 128)

●Expansion cards (Expansion Cards on page 130)

●Heat sink (Heat sink on page 151).

●Processor (Processor on page 153)

5.Remove all expansion boards (Expansion Cards on page 130).

6.Disconnect all cables connected to the system board, noting their location for reinstallation.

7.Remove the eight Torx T15 screws that secure the system board to the chassis. Figure 7-36System board screws

System Board 161