HP Pro Tower ZHAN 99 G9 Desktop PC SS Maintenance and Service Guide - Page 43

Power supply

Get HP Pro Tower ZHAN 99 G9 Desktop PC SS PDF manuals and user guides View all HP Pro Tower ZHAN 99 G9 Desktop PC SS manuals
Add to My Manuals
Save this manual to your list of manuals

Page 43 highlights

1. Pull the locking lever away from the processor (1), and then rotate the lever to its fully open position (2). 2. Raise and rotate the microprocessor retainer to its fully open position (3). 3. Carefully lift the processor from the socket (4). IMPORTANT: Do not handle the pins in the processor socket. These pins are fragile, and handling them could cause irreparable damage. If pins are damaged, you might have to replace the system board. The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor's solder connections. To replace the processor, reverse the removal procedures. NOTE: After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. Power supply To remove the power supply, use these procedures. Before removing the power supply, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 17). 2. Remove the access panel (see Access panel on page 17). 3. Remove the hard drive cage (see Hard drive on page 26). Remove the power supply: 1. Disconnect the power supply cables from the following system board connectors: PWR (1) 36 Chapter 4 Removal and replacement procedures

  • 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
1.
Pull the locking lever away from the processor
(1)
, and then rotate the lever to its fully open position
(2)
.
2.
Raise and rotate the microprocessor retainer to its fully open position
(3)
.
3.
Carefully lift the processor from the socket
(4)
.
IMPORTANT:
Do not handle the pins in the processor socket. These pins are fragile, and handling them
could cause irreparable damage. If pins are damaged, you might have to replace the system board.
The heat sink must be installed within 24 hours of installing the processor to prevent damage to the
processor’s solder connections.
To replace the processor, reverse the removal procedures.
NOTE:
After installing a new processor onto the system board, always update the system ROM to ensure
that the latest version of the BIOS is being used on the computer.
Power supply
To remove the power supply, use these procedures.
Before removing the power supply, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
17
).
2.
Remove the access panel (see
Access panel
on page
17
).
3.
Remove the hard drive cage (see
Hard drive
on page
26
).
Remove the power supply:
1.
Disconnect the power supply cables from the following system board connectors:
PWR
(1)
36
Chapter 4
Removal and replacement procedures