HP ENVY m4-1115dx HP ENVY m4 Notebook PC Maintenance and Service Guide - Page 64

Fan/heat sink assembly, Battery, Hard drive, Optical drive, WLAN module, Keyboard, Top cover

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4. Remove the system board (3) by sliding it up and to the right at an angle. 5. Remove the system board. Reverse this procedure to install the system board. Fan/heat sink assembly Description Fan/heat sink assembly (includes replacement thermal material) Spare part number 698079-001 Before removing the fan/heat sink assembly, 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), and then remove the following components: a. Hard drive (see Hard drive) b. Optical drive (see Optical drive) c. WLAN module (see WLAN module) d. Keyboard (see Keyboard) e. Top cover (see Top cover) f. System board (see System board) 56 Chapter 4 Removal and replacement procedures

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4.
Remove the system board
(3)
by sliding it up and to the right at an angle.
5.
Remove the system board.
Reverse this procedure to install the system board.
Fan/heat sink assembly
Description
Spare part number
Fan/heat sink assembly (includes replacement thermal material)
698079-001
Before removing the fan/heat sink assembly, 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
), and then remove the following components:
a.
Hard drive (see
Hard drive
)
b.
Optical drive (see
Optical drive
)
c.
WLAN module (see
WLAN module
)
d.
Keyboard (see
Keyboard
)
e.
Top cover (see
Top cover
)
f.
System board (see
System board
)
56
Chapter 4
Removal and replacement procedures