Presario 1400 Series
Models: XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Solving Display Problems (Continued)
Problem | Probable Cause | Solution |
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|
|
The display panel has a | Improper display cable | Reseat the display cable to the |
continuous pattern | connections | system board and the display |
across it (for example, |
| assembly until the problem is |
“jailbars” pattern), has |
| solved. |
a single color on it, or |
|
|
has garbled graphics |
|
|
across the entire panel. |
|
|
This failure occurs |
|
|
across the entire panel, |
|
|
not just in one section. |
|
|
|
|
|
| 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 | Defective display panel | Replace the display assembly. |
group of lines, or block |
|
|
appears on the display |
|
|
panel. This failure |
|
|
occurs in only one |
|
|
section of the display |
|
|
panel. |
|
|
Note: To perform a
verify the following: The screen should appear white. On the left and right sides of the screen, a narrow black border may also be present. If the display screen indicates either of these patterns, the monitor is working properly.
26 TROUBLESHOOTING | PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES |
