HP ENVY 15-q300 ENVY Notebook Maintenance and Service Guide - Page 54

System board, Remove the system board

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Reverse this procedure to install the fan. System board NOTE: The system board spare part kit includes replacement thermal material. Description For use only on computer models equipped with an Intel Core i7-4722HQ processor, a graphics subsystem with discrete memory, and the Windows 8 Professional operating system For use only on computer models equipped with an Intel Core i7-4722HQ processor, a graphics subsystem with discrete memory, and the Windows 8 Professional Standard system For use only on computer models equipped with an Intel Core i7-4722HQ processor, a graphics subsystem with discrete memory, and a non-Windows 8 operating system Spare part number 812190-601 812190-501 812190-001 Before removing the system board, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 26), and then remove the following components: a. Service cover (see WLAN module on page 27) b. Hard drive (see Hard drive on page 29) c. Base enclosure (see Base enclosure on page 35) d. Display assembly (see Display assembly on page 37) e. Fan (see Fan on page 45) NOTE: 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 31) ● Heat sink (see Heat sink on page 49) Remove the system board: 1. Disconnect the following cables from the system board: (1) Connector board cable (2) Connector board ribbon cable (3) Power connector cable (4) Display panel cable (5) Webcam/microphone module cable (6) Wireless antenna cables 46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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Reverse this procedure to install the fan.
System board
NOTE:
The system board spare part kit includes replacement thermal material.
Description
Spare part number
For use only on computer models equipped with an Intel Core i7-4722HQ processor, a graphics
subsystem with discrete memory, and the Windows 8 Professional operating system
812190-601
For use only on computer models equipped with an Intel Core i7-4722HQ processor, a graphics
subsystem with discrete memory, and the Windows 8 Professional Standard system
812190-501
For use only on computer models equipped with an Intel Core i7-4722HQ processor, a graphics
subsystem with discrete memory, and a non-Windows 8 operating system
812190-001
Before removing the system board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
26
), and then remove the following components:
a.
Service cover (see
WLAN module
on page
27
)
b.
Hard drive (see
Hard drive
on page
29
)
c.
Base enclosure (see
Base enclosure
on page
35
)
d.
Display assembly (see
Display assembly
on page
37
)
e.
Fan (see
Fan
on page
45
)
NOTE:
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
31
)
●
Heat sink (see
Heat sink
on page
49
)
Remove the system board:
1.
Disconnect the following cables from the system board:
(1)
Connector board cable
(2)
Connector board ribbon cable
(3)
Power connector cable
(4)
Display panel cable
(5)
Webcam/microphone module cable
(6)
Wireless antenna cables
46
Chapter 6
Removal and replacement procedures for Authorized Service Provider parts