Troubleshooting - HP L2105TM User Manual

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
Note: Never disassemble or repair the product yourself. If your problem cannot be solved
according to the troubleshooting guidelines, please contact your local dealer.
13

Troubleshooting

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".