HP ENVY 17-3095ca HP ENVY 17 - Maintenance and Service Guide - Page 78

System board, defective system board and installed on the replacement system board

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System board NOTE: The system board spare part kit includes includes 1 GB of discrete graphics subsystem memory and replacement thermal material. Replacement thermal material is also available in the Thermal Material Kit, spare part number 634366-001. Description Equipped with the Intel HM76 chipset and 7850M graphics subsystem for use only on computer models equipped with a 3D display assembly Equipped with the Intel HM76 chipset and 7850M graphics subsystem for use only on computer models equipped with a 2D display assembly Equipped with the Intel HM65 chipset and 6770M graphics subsystem for use only on computer models equipped with a 3D display assembly Equipped with the Intel HM65 chipset and 6770M graphics subsystem for use only on computer models equipped with a 2D display assembly Spare part number 689999-001 689998-001 665934-001 665933-001 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 39). 5. Remove the subwoofer (see Subwoofer on page 41). 6. Disconnect the optical drive connector cable from the system board (see Optical drive on page 42). 7. Remove the hard drive (see Hard drive on page 51). 8. Remove the top cover (see Top cover on page 56). 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 44) ● RTC battery (see RTC battery on page 46) ● mSATA drive (see mSATA drive on page 47) ● WLAN module (see WLAN module on page 48) ● Wireless audio module (see Wireless audio module on page 54) ● Top speaker (see Top speaker on page 69) 70 Chapter 4 Removal and replacement procedures ENWW

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System board
NOTE:
The system board spare part kit includes includes 1 GB of discrete graphics subsystem
memory and replacement thermal material. Replacement thermal material is also available in the
Thermal Material Kit, spare part number 634366-001.
Description
Spare part number
Equipped with the Intel HM76 chipset and 7850M graphics subsystem for use only on computer
models equipped with a 3D display assembly
689999-001
Equipped with the Intel HM76 chipset and 7850M graphics subsystem for use only on computer
models equipped with a 2D display assembly
689998-001
Equipped with the Intel HM65 chipset and 6770M graphics subsystem for use only on computer
models equipped with a 3D display assembly
665934-001
Equipped with the Intel HM65 chipset and 6770M graphics subsystem for use only on computer
models equipped with a 2D display assembly
665933-001
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
39
).
5.
Remove the subwoofer (see
Subwoofer
on page
41
).
6.
Disconnect the optical drive connector cable from the system board (see
Optical drive
on page
42
).
7.
Remove the hard drive (see
Hard drive
on page
51
).
8.
Remove the top cover (see
Top cover
on page
56
).
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
44
)
●
RTC battery (see
RTC battery
on page
46
)
●
mSATA drive (see
mSATA drive
on page
47
)
●
WLAN module (see
WLAN module
on page
48
)
●
Wireless audio module (see
Wireless audio module
on page
54
)
●
Top speaker (see
Top speaker
on page
69
)
70
Chapter 4
Removal and replacement procedures
ENWW