HP ENVY m6-n000 ENVY m6 Notebook PC Maintenance and Service Guide - Page 55

Heat sink, System board see

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Heat sink NOTE: The heat sink spare part kit includes replacement thermal material. Description For use only with system boards with spare part numbers 760043-601, 760043-501, 760043-001, 782279-601, 782279-501 and 782279-001. For use only with system boards with spare part numbers 760042-501 and 760042-001. Spare part number 764034-001 720539-001 Before removing the heat sink, 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 29), and then remove the following components: a. Service cover (see WLAN module on page 30) b. Hard drive (see Hard drive on page 32) c. Base enclosure (see Base enclosure on page 38) d. Display assembly (see Display assembly on page 40) e. Fan (see Fan on page 42) f. System board (see System board on page 43) Remove the heat sink: 1. Turn the system board upside down, with the front toward you. 2. Following the 1 through 4 sequence stamped into the heat sink, loosen the four Phillips PM2.0×11.0 captive screws (1) that secure the heat sink to the system board. Component replacement procedures 47

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Heat sink
NOTE:
The heat sink spare part kit includes replacement thermal material.
Description
Spare part number
For use only with system boards with spare part numbers 760043-601, 760043-501, 760043-001,
782279-601, 782279-501 and 782279-001.
764034-001
For use only with system boards with spare part numbers 760042-501 and 760042-001.
720539-001
Before removing the heat sink, 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
29
), and then remove the following components:
a.
Service cover (see
WLAN module
on page
30
)
b.
Hard drive (see
Hard drive
on page
32
)
c.
Base enclosure (see
Base enclosure
on page
38
)
d.
Display assembly (see
Display assembly
on page
40
)
e.
Fan (see
Fan
on page
42
)
f.
System board (see
System board
on page
43
)
Remove the heat sink:
1.
Turn the system board upside down, with the front toward you.
2.
Following the 1 through 4 sequence stamped into the heat sink, loosen the four Phillips PM2.0×11.0
captive screws
(1)
that secure the heat sink to the system board.
Component replacement procedures
47