Compaq 12XL310 Presario 1200 Series Models XL101-XL113, XL115, XL118-XL127 - M - Page 67

Solving Display Problems Continued, Problem, Probable Cause, Solutions

Get Compaq 12XL310 - Presario - Celeron 600 MHz PDF manuals and user guides
UPC - 720591578398
View all Compaq 12XL310 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 67 highlights

Presario 1200 Series Models: XL101-XL113, XL115, XL118-XL127 Problem (Continued) Solving Display Problems Probable Cause Solution(s) Defective inverter board. Replace the display assembly. Defective display cable. Replace the display assembly. Defective system board. Replace the system board. **This problem indicates that the backlight or its power circuitry has failed. If the backlight is not functioning, the POST result cannot be observed. Connect the unit to an external monitor before powering up the unit. If an external monitor is not available verify that POST is complete by opening and closing the display, listening for the single or double beep, and watching for the icons to turn on at the front of the notebook. Solving Display Problems Continued Problem Probable Cause Solution(s) This display panel has a continuous pattern across it (e.g., "jailbars" pattern), has a single color on it, or has garbled graphics across the entire panel. This failure is for patterns across the entire panel (not just on one section). Improper display cable connections Reseat the display cable to the following until the problem is solved: 1. System board 2. Display assembly Defective display cable. Replace the display assembly. 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 inverter board. Defective system board. Defective display panel. Replace the display assembly. Replace the system board. Replace the display assembly. PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES TROUBLESHOOTING 25

  • 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
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1200XL S
ERIES
T
ROUBLESHOOTING
25
Presario 1200 Series
Models: XL101-XL113, XL115, XL118-XL127
**This problem indicates that the backlight or its power circuitry has failed. If the backlight
is not functioning, the POST result cannot be observed. Connect the unit to an external
monitor before powering up the unit. If an external monitor is not available verify that POST
is complete by opening and closing the display, listening for the single or double beep, and
watching for the icons to turn on at the front of the notebook.
(Continued)
Defective inverter board.
Replace the display assembly.
Defective display cable.
Replace the display assembly.
Defective system board.
Replace the system board.
Solving Display Problems Continued
Problem
Probable Cause
Solution(s)
This display panel has
a continuous pattern
across it (e.g.,
“jailbars” pattern), has
a single color on it, or
has garbled graphics
across the entire
panel. This failure is
for patterns across the
entire panel (not just
on one section).
Improper display cable
connections
Reseat the display cable to the
following until the problem is
solved:
1. System board
2. Display assembly
Defective display cable.
Replace the display assembly.
Defective inverter board.
Replace the display assembly.
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
Problem
Probable Cause
Solution(s)