HP Compaq Presario CQ61-305SA Handleiding (137 Pagina's)

Handleiding

4–36 Maintenance and Service Guide

Removal and replacement procedures

System board

✎

The system board spare part kit includes UMA or discrete graphics subsystem memory, built-in modem, and

replacement thermal material.

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 4-7).

5. Remove the following components:

a. Optical drive (see “Optical drive” on page 4-8)

b. Hard drive (see “Hard drive” on page 4-10)

c. Keyboard (see “Keyboard” on page 4-17)

d. Switch cover (see “Switch cover” on page 4-20)

e. Power button board (see “Power button board” on page 4-22)

f. Display assembly (see “Display assembly” on page 4-23)

g. Top cover (see “Top cover” on page 4-30)

When replacing the system board, be sure that the following components are removed from the defective system

board and installed on the replacement system board:

■ Memory module (see “Memory module” on page 4-13)

■ Wireless module (see “Wireless module” on page 4-14)

■ Fan/heat sink assembly (see “Fan/heat sink assembly” on page 4-38)

■ Processor (see “Processor” on page 4-42)

Description Spare part number

GM45 UMA system board (built-in modem, Digital Media Slot, and replacement thermal material) 517832-001

GM45 UMA system board (built-in modem, Digital Media Slot, HDMI port, and replacement thermal

material)

517839-001

GL40 UMA system board (built-in modem, Digital Media Slot, and replacement thermal material) 517836-001

GL40 UMA system board (built-in modem, Digital Media Slot, HDMI port, and replacement thermal

material)

517835-001

GL40 UMA system board (built-in modem, Digital Media Slot, HDMI port, and replacement thermal

material)

570246-001

PM45 discrete system board (built-in modem, Digital Media Slot, HDMI port, and replacement

thermal material)

517837-001

PM45 discrete system board PM45 (built-in modem, Digital Media Slot, and replacement thermal

material)

517838-001

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