HP CQ36-109TX, CQ36-108TX, CQ36-106TX manual System board, For use only with CQ36 computer models

Removal and replacement procedures

System board

✎The system board spare part kit includes replacement thermal material.

Description	Spare part number
For use only with CQ35 computer models:
For use only with CQ35-101-299 computer models with discrete memory graphics	538765-002
subsystems
For use only with CQ35-101-299 computer models with UMA memory graphics	538766-001
subsystems
For use only with CQ35-301-499 computer models with discrete memory graphics	576797-001
subsystems
For use only with CQ35-301-499 computer models with UMA memory graphics	576798-001
subsystems
For use only with CQ36 computer models:
For use only with computer models with UMA memory graphics subsystems	591415-001
For use only with computer models with discrete memory graphics subsystems	591416-001

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 7).

5.Remove the following components:

a.Hard drive (see “Hard drive” on page 8)

b.Memory module (see “Memory module” on page 11)

c.WLAN module (see “WLAN module” on page 12)

d.Optical drive (see “Optical drive” on page 20)

e.Keyboard (see “Keyboard” on page 22)

f.Keyboard cover (see “Keyboard cover” on page 24)

g.Right speaker (see “Right speaker” on page 26)

h.Top cover (see “Top cover” on page 27).

i.Left speaker (see “Left speaker” on page 31)

j.Display assembly (see “Display assembly” on page 32).

When replacing the system board, be sure that the following additional components are removed from the defective system board and installed on the replacement system board:

■RTC battery (see “RTC battery” on page 19)

■Heat sink (see “Fan/heat sink assembly” on page 46)

■Processor (see “Processor” on page 51)

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