System board

NOTE: The system board spare part kit includes replacement thermal material.

Description

Spare part number

 

 

System board for use in computers with a WWAN module that use AMD Mxxx processors

 

 

 

UMA graphics subsystem memory

585218-001

 

 

Discrete graphics subsystem memory

585220-001

 

 

System board for use in computers without a WWAN module that use AMD Mxxx processors

 

 

 

UMA graphics subsystem memory

585219-001

 

 

Discrete graphics subsystem memory

585221-001

 

 

System board for use in computers with a WWAN module that use AMD ZM, RM, QL, or SI

 

processors:

 

 

 

Discrete graphics subsystem memory

535803-001

 

 

System board for use in computers without a WWAN module that use AMD ZM, RM, QL, or

 

SI processors:

 

 

 

UMA graphics subsystem memory

574505-001

 

 

Discrete graphics subsystem memory

574506-001

 

 

Before removing the system board, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.

4.Remove the battery (see Battery on page 60).

5.Remove the following components:

a.Switch cover and keyboard (see Switch cover and keyboard on page 61)

b.Speakers (see Speakers on page 69)

c.WWAN module (see WWAN module on page 70)

d.Palm rest (see Palm rest on page 71)

e.WLAN module (see WLAN module on page 76)

f.Hard drive (see Hard drive on page 74)

g.Optical drive (see Optical drive on page 66)

h.Display assembly (see Display assembly on computers with 15.6-in displays on page 78 or Display assembly on computers with 14.0-in displays on page 91)

i.Top cover (see Top cover on page 84)

106 Chapter 4 Removal and replacement procedures