T-12
Video Display
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No video display on the LCD
1. Verify the system is powered on.
2. Ensure the system is not in the suspend mode.
3. Disconnect any external displays.
4. Power down the system.
If the system is attached to a docking station or port replicator, then remove
the system.
5. Verify that the display works on startup.
6. Contact a local Support Center if there is still no video display on the LCD.
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Unsatisfactory video display on the LCD display
1. Verify that the display panel is cleaned to prevent distortions.
2. Check display settings for resolution (screen area) and color depth.
3. Check the brightness setting.
4. A small number of missing, discolored, or lit all the time dots or pixels is
characteristic of thin-film transistor (TFT) liquid crystal display (LCD)
technology due to manufacturing process for such technology irrespective
of manufacturer. If your LCD has defective pixels, it should not be
considered faulty until the number of defective pixels meets or exceeds the
number listed in the Pixel policy criteria.
*
External monitors issues
1. Verify the cabling and connections between the external CRT display and
the VGA-Out port.
2. Ensure the external display is setup and configured according to the
instructions provided by the manufacturer.
3. Verify the external display passes any applicable self tests according to the
instructions provided by the manufacturer.
4. Verify the display settings are supported by the system video chipset and
the external display.
5. Verify the external display works on another system if available.
