Compaq 12XL500 Models XL300, XL300A, and XL300B - Maintenance & Service Gu - Page 65

Solving Display Problems Continued, Problem, Probable Cause, Solutions, panel. This failure

Page 65 highlights

Presario 1200XL Series Model XL300, XL300A, and XL300B Problem A single line, small group of lines, or block appears on the display panel. This failure occurs in only a section of the display panel. Solving Display Problems Continued Probable Cause Solution(s) Defective system board. Replace the system board. Defective display panel. Replace the display assembly. Note: When you perform a "self-test" on an external VGA color or monochrome monitor, the screen should be white. A narrow black border may also appear on the left and right sides of the display. Both of these displays indicate that the monitor is working properly. 28 TROUBLESHOOTING PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES

  • 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

28 T
ROUBLESHOOTING
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1200XL S
ERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Note:
When you perform a "self-test" on an external VGA color or monochrome monitor,
the screen should be white. A narrow black border may also appear on the left and right
sides of the display. Both of these displays indicate that the monitor is working properly.
Defective system board.
Replace the system board.
A single line, small
group of lines, or block
appears on the display
panel. This failure
occurs in only a
section of the display
panel.
Defective display panel.
Replace the display assembly.
Solving Display Problems Continued
Problem
Probable Cause
Solution(s)