Compaq L2105tm Users MANUAL L2105tm / 2209t LCD Touch Monitors - Page 21
Troubleshooting
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Troubleshooting Problems Power LED doesn't light up. No screen image Abnormal colors are present The image bounces or a wave pattern is present The screen image is not centered or the size is incorrect Possible solutions Check if the power switch is in the ON position Make sure the power cord is properly connected Check if the power switch is in the ON position Make sure the power cord is properly connected Make sure the signal cable is securely connected When the display is in use, it will automatically turn off to enter the power saving mode. Please press any key to see if the image resumes. Please refer to the "Color Temperature" section to adjust the RGB color or select a color temperature. Remove any electrical device that may be causing electrical interference. Check the signal cable and make sure the pins are not bent. Press the Auto button to automatically optimize the display status. Refer to the "Image Control section". 16