HP Z4 Maintenance and Service Guide - Page 35

Heat sink, In the sequence indicated on the label on the heat sink

Get HP Z4 PDF manuals and user guides View all HP Z4 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 35 highlights

Heat sink NOTE: The heat sink spare part kit includes replacement thermal material. Follow these steps to remove the heat sink: NOTE: When replacing the heat sink, be sure that the processor (see Processor on page 28) is removed from the defective heat sink and installed on the replacement heat sink. 1. Prepare the computer for disassembly (see Preparation for disassembly on page 16). 2. Remove the access panel (see Access panel on page 20). 3. Disconnect the heat sink fan cable (1) from the system board. CAUTION: The heat sink captive screws must be loosened and tightened in the sequence indicated on the label on the heat sink. Failure to follow this sequence can result in damage to the heat sink, the processor, and the system board. 4. In the sequence indicated on the label on the heat sink, loosen the four slotted Torx30 captive screws (2) that secure the heat sink to the computer. CAUTION: The processor is attached to the bottom of the heat sink. When the heat sink is removed, it is recommended that the heat sink be left resting upside down, with the processor resting on top of the heat sink. Failure to follow this caution can result in damage to the processor. 5. Remove the heat sink (3). Reverse this procedure to install the heat sink. Heat sink 27

  • 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
Heat sink
NOTE:
The heat sink spare part kit includes replacement thermal material.
Follow these steps to remove the heat sink:
NOTE:
When replacing the heat sink, be sure that the processor (see
Processor
on page
28
) is removed
from the defective heat sink and installed on the replacement heat sink.
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
16
).
2.
Remove the access panel (see
Access panel
on page
20
).
3.
Disconnect the heat sink fan cable
(1)
from the system board.
CAUTION:
The heat sink captive screws must be loosened and tightened in the sequence indicated on
the label on the heat sink. Failure to follow this sequence can result in damage to the heat sink, the
processor, and the system board.
4.
In the sequence indicated on the label on the heat sink, loosen the four slotted Torx30 captive screws
(2)
that secure the heat sink to the computer.
CAUTION:
The processor is attached to the bottom of the heat sink. When the heat sink is removed, it
is recommended that the heat sink be left resting upside down, with the processor resting on top of the
heat sink. Failure to follow this caution can result in damage to the processor.
5.
Remove the heat sink
(3)
.
Reverse this procedure to install the heat sink.
Heat sink
27