Lenovo ThinkCentre Edge 72z Hardware Maintenance Manual (HMM) (May 2012) - Thi - Page 110

Replacing the heat sink assembly, board

Get Lenovo ThinkCentre Edge 72z PDF manuals and user guides View all Lenovo ThinkCentre Edge 72z manuals
Add to My Manuals
Save this manual to your list of manuals

Page 110 highlights

1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See "Removing the computer cover" on page 94. 4. Locate the microprocessor fan in the computer. See "Locating major FRUs and CRUs" on page 82. 5. Remove the microprocessor board shield. See "Removing and reinstalling the system board shield" on page 101. 6. Note the routing of the microprocessor fan cable, and then disconnect the microprocessor fan cable from the system board. See "Locating parts on the system board" on page 86. 7. Remove the two screws 1 that secure the microprocessor fan to the main bracket. Then, lift the microprocessor fan off the main bracket. Figure 26. Removing the microprocessor fan 8. To reinstall the microprocessor fan, position the new microprocessor fan on the main bracket and align the screw holes in the new microprocessor fan with those in the main bracket. Reinstall the two screws that secure the microprocessor fan to the main bracket. 9. Connect the new microprocessor fan cable to the system board. See "Locating parts on the system board" on page 86. 10. Reinstall the system board shield. See "Removing and reinstalling the system board shield" on page 101. 11. Reinstall the computer cover. See "Removing the computer cover" on page 94. 12. Go to "Completing the parts replacement" on page 124. Replacing the heat sink assembly Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the 104 ThinkCentre Edge Hardware Maintenance Manual

  • 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
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and
gently lay it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 94.
4. Locate the microprocessor fan in the computer. See “Locating major FRUs and CRUs” on page 82.
5. Remove the microprocessor board shield. See “Removing and reinstalling the system board shield” on
page 101.
6. Note the routing of the microprocessor fan cable, and then disconnect the microprocessor fan cable
from the system board. See “Locating parts on the system board” on page 86.
7. Remove the two screws
1
that secure the microprocessor fan to the main bracket. Then, lift the
microprocessor fan off the main bracket.
Figure 26. Removing the microprocessor fan
8. To reinstall the microprocessor fan, position the new microprocessor fan on the main bracket and align
the screw holes in the new microprocessor fan with those in the main bracket. Reinstall the two screws
that secure the microprocessor fan to the main bracket.
9. Connect the new microprocessor fan cable to the system board. See “Locating parts on the system
board” on page 86.
10. Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 101.
11. Reinstall the computer cover. See “Removing the computer cover” on page 94.
12. Go to “Completing the parts replacement” on page 124.
Replacing the heat sink assembly
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the
Safety, Warranty, and Setup Guide
that came with your computer. To obtain a copy of the
104
ThinkCentre Edge Hardware Maintenance Manual