Planar PT1520MU User Manual

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15 
 
Appendix 
Troubleshooting 
If you are experiencing trouble with the LCD display, refer to the 
following. If the problem persists, please contact Planar. 
Problem: No image appears on screen. 
 
Check that all the I/O and power connectors are correctly installed and 
well connected as described in the “Installation” section. 
 
Make sure the pins of the connectors are not crooked or broken. 
 
Reconfigure the resolution of your computer to make it less than or equal 
to 1024 x 768. 
Problem: Partial Image or incorrectly displayed the image. 
 
Check to see if the resolution of your computer is higher than that of the 
LCD display. 
 
Reconfigure the resolution of your computer to make it less than or equal 
to 1024 x 768. 
Problem: Image has vertical flickering line bars. 
 
Use "Clock" to make an adjustment. 
 
Check and reconfigure the display mode of the vertical refresh rate of your 
graphic card to make it compatible with the LCD display. 
Problem: Image is unstable and flickering 
 
Use "Phase" to make an adjustment.   
Problem: Image is scrolling 
 
Check and make sure the VGA signal cable (or adapter) is well connected.   
 
Check and reconfigure the display mode of the vertical refresh rate of your 
graphics card to make it compatible with the LCD Display. 
Problem: Ghosting image (character and graphic images) 
 
Use "Clock" to make an adjustment. If this problem still exists, use “Phase” 
to make an adjustment.