HP 520 HP 520 Notebook PC - Maintenance and Service Guide - Page 63

Heat sink, Remove the four Phillips PM2.5×6.0 screws

Get HP 520 - Notebook PC PDF manuals and user guides View all HP 520 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 63 highlights

Heat sink Description Heat sink (includes thermal material) Spare part number 448336-001 Before removing the heat sink, 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 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module on page 35) c. Optical drive (see Optical drive on page 39) d. Switch cover (see Switch cover on page 41) e. Keyboard (see Keyboard on page 43) f. Display assembly (see Display assembly on page 45) g. Base enclosure (see Base enclosure on page 50) h. Fan assembly (see Fan assembly on page 53) Remove the heat sink: 1. Remove the four Phillips PM2.5×6.0 screws (1) that secure the heat sink to the system board. 2. Release the heat sink (2) by sliding it to the left until the right side of the heat sink clears the top cover. NOTE: Due to the adhesive quality of the thermal material located between the heat sink and processor, it may be necessary to move the heat sink from side to side to detach the heat sink from the processor. Component replacement procedures 55

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
Heat sink
Description
Spare part number
Heat sink (includes thermal material)
448336-001
Before removing the heat sink, 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
31
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
32
)
b
.
Memory/WLAN module compartment cover (see
Memory module
on page
35
)
c
.
Optical drive (see
Optical drive
on page
39
)
d
.
Switch cover (see
Switch cover
on page
41
)
e
.
Keyboard (see
Keyboard
on page
43
)
f
.
Display assembly (see
Display assembly
on page
45
)
g
.
Base enclosure (see
Base enclosure
on page
50
)
h
.
Fan assembly (see
Fan assembly
on page
53
)
Remove the heat sink:
1
.
Remove the four Phillips PM2.5×6.0 screws
(1)
that secure the heat sink to the system board.
2
.
Release the heat sink
(2)
by sliding it to the left until the right side of the heat sink clears the top
cover.
NOTE:
Due to the adhesive quality of the thermal material located between the heat sink and
processor, it may be necessary to move the heat sink from side to side to detach the heat sink from
the processor.
Component replacement procedures
55