HP Pavilion dv7-4200 HP Pavilion dv7 Entertainment PC - Maintenance and Servic - Page 88

System board, Disconnect all external devices connected to the computer.

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System board NOTE: The system board spare kit includes replacement thermal material. Replacement thermal material is also available in the Thermal Material Kit, spare part number 634433-001. Description Spare part number For ATI Mobility Radeon HD 6550 discrete graphics with 1-GB of dedicated memory without subwoofer 630831-001 For ATI Mobility Radeon HD 6550 discrete graphics and 1-GB of dedicated memory with subwoofer 630834-001 For ATI Mobility Radeon HD 6370 discrete graphics with 512-KB of dedicated memory without subwoofer 630830-001 For ATI Mobility Radeon HD 6370 discrete graphics and 512-KB of dedicated memory with subwoofer 630833-001 For ATI Mobility Radeon HD 5650 discrete graphics with 1-GB of dedicated memory without subwoofer 605498-001 For ATI Mobility Radeon HD 5650 discrete graphics and 1-GB of dedicated memory with subwoofer 615687-001 For ATI Mobility Radeon HD 5470 discrete graphics with 512-MB of dedicated memory without subwoofer 605497-001 For ATI Mobility Radeon HD 5470 discrete graphics and 512-MB of dedicated memory with subwoofer 615686-001 For use on computer models equipped with UMA graphics subsystem memory and subwoofer v. 1.2 630832-001 For use on computer models equipped with UMA graphics subsystem memory and subwoofer v. 1.0 605496-001 For use on computer models equipped with UMA graphics subsystem memory, but no subwoofer 630829-001 v.1.2 For use on computer models equipped with UMA graphics subsystem memory, but no subwoofer 615688-001 v.1.0 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 46). 78 Chapter 4 Removal and replacement procedures ENWW

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System board
NOTE:
The system board spare kit includes replacement thermal material. Replacement thermal
material is also available in the Thermal Material Kit, spare part number 634433-001.
Description
Spare part number
For ATI Mobility Radeon HD 6550 discrete graphics with 1-GB of dedicated memory without
subwoofer
630831-001
For ATI Mobility Radeon HD 6550 discrete graphics and 1-GB of dedicated memory with
subwoofer
630834-001
For ATI Mobility Radeon HD 6370 discrete graphics with 512-KB of dedicated memory without
subwoofer
630830-001
For ATI Mobility Radeon HD 6370 discrete graphics and 512-KB of dedicated memory with
subwoofer
630833-001
For ATI Mobility Radeon HD 5650 discrete graphics with 1-GB of dedicated memory without
subwoofer
605498-001
For ATI Mobility Radeon HD 5650 discrete graphics and 1-GB of dedicated memory with
subwoofer
615687-001
For ATI Mobility Radeon HD 5470 discrete graphics with 512-MB of dedicated memory without
subwoofer
605497-001
For ATI Mobility Radeon HD 5470 discrete graphics and 512-MB of dedicated memory with
subwoofer
615686-001
For use on computer models equipped with UMA graphics subsystem memory and subwoofer v.
1.2
630832-001
For use on computer models equipped with UMA graphics subsystem memory and subwoofer v.
1.0
605496-001
For use on computer models equipped with UMA graphics subsystem memory, but no subwoofer
v.1.2
630829-001
For use on computer models equipped with UMA graphics subsystem memory, but no subwoofer
v.1.0
615688-001
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
46
).
78
Chapter 4
Removal and replacement procedures
ENWW