System board

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

Replacement thermal material is also available in the Thermal Material Kit, spare part numbers 650277-001 (for use only with computer models equipped with an AMD processor) and 646135-001 (for use only with computer models equipped with an Intel processor).

Description

Spare part number

 

 

For use only with computer models equipped with an AMD E350 1.60-GHz processor (dual core,

647320-001

18-W) and a graphics subsystem with UMA video memory

 

 

 

For use only with computer models equipped with an AMD E240 1.50-GHz processor (single core,

647322-001

18-W) and a graphics subsystem with UMA video memory

 

 

 

For use only with computer models equipped with an Intel Pentium processor and a graphics

646176-001

subsystem with discrete video memory

 

 

 

For use only with computer models equipped with an Intel Pentium processor and a graphics

646175-001

subsystem with UMA video memory

 

 

 

For use only with computer models equipped with an Intel Celeron processor and a graphics

646174-001

subsystem with UMA video memory

 

 

 

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 36).

5.Remove the optical drive (see Optical drive (select models only) on page 37).

6.Remove the WLAN module (see WLAN module on page 40).

7.Disconnect the hard drive connector cable from the system board (see Hard drive on page 43).

8.Remove the following components:

Keyboard (see Keyboard on page 46)

Top cover (see Top cover on page 49)

USB board (see USB board on page 56)

Power connector cable (see Power connector cable on page 57)

Display assembly (see Display assembly on page 61)

68

Chapter 4 Removal and replacement procedures

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HP CQ57-229WM, CQ57-218NR, CQ57-212NR, CQ57-214NR manual System board, Description Spare part number