Presario 1600XL Series
Model 1600T,
Solving Display Problems
Problem |
| Probable Cause |
| Solution(s) |
Screen is dim. |
| Brightness Control |
| Adjust the Brightness of the |
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| (if available) is not set |
| display by pressing Fn+F7 or |
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| properly. |
| Fn+F8. |
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| Computer screen is in direct |
| Tilt display or move computer. |
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| light. |
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Screen is blank. |
| Screen save was initiated by |
| Press any key or touch the |
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| Power Management due to |
| TouchPad. |
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| lack of user activity. |
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| Display has overheated. |
| If the Notebook is in direct |
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| sunlight, move it and allow it to |
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| cool off. |
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Display is blank and |
| System is in Suspend mode. |
| Press any key or touch the |
the Suspend icon is |
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| TouchPad. |
flashing. |
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Internal display is |
| Display function was switched |
| Press Fn+F3 to switch between |
blank and the screen |
| to the external monitor. |
| LCD or CRT. |
on an external monitor |
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displays information. |
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Internal display |
| Using 1024 x 768 or higher |
| Restart the Notebook. |
flashes or has garbled |
| resolution on external monitor |
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characters when |
| and toggling back to internal |
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Notebook is connected |
| display, which supports up to |
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to external monitor. |
| 800 x 600. |
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The light tubes on the |
| Improper backlight or display |
| Replace the display assembly. |
edge of the display |
| cable connections |
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panel do not light up |
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at all and the Power- |
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On |
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completes when the |
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unit is powered up.** |
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| Defective inverter board. |
| Replace the display assembly. |
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| Defective display cable. |
| Replace the display assembly. |
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| Defective display panel. |
| Replace the display assembly. |
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| Defective system board. |
| Replace the system board. |
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PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES | TROUBLESHOOTING 27 |
