HP mt42 Maintenance and Service Guide - Page 55

Power button board, Remove the Phillips PM2.5×2.5 screw

Get HP mt42 PDF manuals and user guides View all HP mt42 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 55 highlights

Power button board Description Power button board assembly Spare part number 821169-001 Before removing the power button board, 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 bottom cover (see Bottom cover on page 25). 5. Remove the battery (see Battery on page 28). 6. Remove the following components: a. Keyboard (see Keyboard on page 36) b. Internal base plate (Internal base plate on page 41) Remove the power button board: 1. Disconnect the cable from the system board (1). 2. Remove the Phillips PM2.5×2.5 screw (2) that secures the power button board to the top cover. 3. Push the lever left (3). 4. Slide the power button board left from beneath the hinge (4). Reverse this procedure to install the power button board. Component replacement procedures 45

  • 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
Power button board
Description
Spare part number
Power button board assembly
821169-001
Before removing the power button board, 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 bottom cover (see
Bottom cover
on page
25
).
5.
Remove the battery (see
Battery
on page
28
).
6.
Remove the following components:
a.
Keyboard (see
Keyboard
on page
36
)
b.
Internal base plate (
Internal base plate
on page
41
)
Remove the power button board:
1.
Disconnect the cable from the system board
(1)
.
2.
Remove the Phillips PM2.5×2.5 screw
(2)
that secures the power button board to the top cover.
3.
Push the lever left
(3)
.
4.
Slide the power button board left from beneath the hinge
(4)
.
Reverse this procedure to install the power button board.
Component replacement procedures
45