HP Compaq L2105tm 21.5-inch Widescreen LCD Touchscreen Monitor - Manual (Page 18)

13
Troubleshooting
Problems Possible solutions
Power LED doesn't light up.
• Check if the power switch is in the ON position
• Make sure the power cord is properly connected
No screen image
• 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.
Abnormal colors are present
• Please refer to the "Color Temperature" section to adjust the
RGB color or select a color temperature.
The image bounces or a wave
pattern is present
• Remove any electrical device that may be causing electrical
interference.
• Check the signal cable and make sure the pins are not bent.
The screen image is not
centered or the size is incorrect
• Press the Auto button to automatically optimize the display
status.
• Refer to the "Image Control section".
Note: Never disassemble or repair the product yourself. If your problem cannot be solved
according to the troubleshooting guidelines, please contact your local dealer.