HP G62-166SB Compaq Presario CQ62 Notebook PC and HP G62 Notebook PC - Mainten - Page 81

System board

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Removal and replacement procedures System board ✎ The system board spare part kit includes UMA or discrete graphics subsystem memory and replacement thermal material. Description HM55 Discrete system board HM55 UMA system board HM55 HDMI Discrete system board HM44 HDMI UMA system board HM55 HD545V discrete system board (for model 1.1 only) HM55 HD545V discrete system board with HDMI card reader (for model 1.1 only) GL40 UMA system board (for models 1.1 and 1.2 only) GL40 UMA system board with HDMI card reader (for models 1.1 and 1.2 only) HD5470/512 MB discrete system board (for model 1.2 only) HD5470/512 MB discrete system board with HDMI card reader (for model 1.2 only) HD5470/1 G discrete system board (for model 1.2 only) HD5470/1 G discrete system board with HDMI card reader (for model 1.2 only) GL40 DDR2 UMA system board (for model 1.1 only) GL40 DDR2 UMA system board with HDMI card reader (for model 1.1 only) HM55 WiMax UMA system board with HDMI card reader (for model 1.2 only) Spare part number 595181-001 595182-001 595183-001 595184-001 615577-001 615578-001 605139-001 605140-001 615579-001 615580-001 615581-001 615582-001 616448-001 616449-001 628482-001 Before removing the system board: 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7) 5. Remove the battery (see "Battery" on page 4-7). 6. Remove the battery (see "Battery" on page 4-7). 7. Remove the hard drive (see "Hard drive" on page 4-8). 8. Remove the memory module (see "Memory module" on page 4-10). 9. Remove the wireless module (see "Wireless module" on page 4-12). 10. Remove the optical drive (see "Optical drive" on page 4-14). 11. Remove the keyboard (see "Keyboard" on page 4-17). 12. Remove the top cover (see "Top cover" on page 4-20). 13. Remove the display assembly (see "Display assembly" on page 4-26). 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 4-10) ■ Wireless module (see "Wireless module" on page 4-12) Maintenance and Service Guide 4-37

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Removal and replacement procedures
Maintenance and Service Guide
4–37
System board
✎
The system board spare part kit includes UMA or discrete graphics subsystem memory and replacement thermal
material.
Before removing the system board:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
)
5. Remove the battery (see
“Battery” on page 4-7
).
6. Remove the battery (see
“Battery” on page 4-7
).
7. Remove the hard drive (see
“Hard drive” on page 4-8
).
8. Remove the memory module (see
“Memory module” on page 4-10
).
9. Remove the wireless module (see
“Wireless module” on page 4-12
).
10. Remove the optical drive (see
“Optical drive” on page 4-14
).
11. Remove the keyboard (see
“Keyboard” on page 4-17
).
12. Remove the top cover (see
“Top cover” on page 4-20
).
13. Remove the display assembly (see
“Display assembly” on page 4-26
).
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 4-10
)
■
Wireless module (see
“Wireless module” on page 4-12
)
Description
Spare part number
HM55 Discrete system board
595181-001
HM55 UMA system board
595182-001
HM55 HDMI Discrete system board
595183-001
HM44 HDMI UMA system board
595184-001
HM55 HD545V discrete system board (for model 1.1 only)
615577-001
HM55 HD545V discrete system board with HDMI card reader (for model 1.1 only)
615578-001
GL40 UMA system board (for models 1.1 and 1.2 only)
605139-001
GL40 UMA system board with HDMI card reader (for models 1.1 and 1.2 only)
605140-001
HD5470/512 MB discrete system board (for model 1.2 only)
615579-001
HD5470/512 MB discrete system board with HDMI card reader (for model 1.2 only)
615580-001
HD5470/1 G discrete system board (for model 1.2 only)
615581-001
HD5470/1 G discrete system board with HDMI card reader (for model 1.2 only)
615582-001
GL40 DDR2 UMA system board (for model 1.1 only)
616448-001
GL40 DDR2 UMA system board with HDMI card reader (for model 1.1 only)
616449-001
HM55 WiMax UMA system board with HDMI card reader (for model 1.2 only)
628482-001