Planar PT191MU - Manual (Page 19)

PT191MU User’s Guide (020-0418-00 B)
19
Appendix
Troubleshooting
If you are experiencing trouble with the LCD display, refer to the following. If
the problem persists, please contact your local dealer or our service center.
Problem: No image appears on screen.
}
Check that all the I/O and power connectors are installed correctly and
well connected as described in the “Installation” section.
}
Make sure the pins of the connectors are not crooked or broken.
Problem: Partial image or incorrectly displayed image.
}
Check to see if the resolution of your computer is higher than that of the
LCD display.
} Reconfi gure the resolution of your computer to make it less than or
equal to 1280 x 1024.
Problem: Image has vertical fl ickering line bars.
}
Use “Frequency” to make an adjustment.
}
Check and reconfi gure 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 fl ickering
}
Use “Tracking” to make an adjustment.
Problem: Image is scrolling
}
Check and make sure the VGA signal cable (or adapter) is well
connected.
}
Check and reconfi gure the display mode of the vertical refresh rate of
your graphic card to make it compatible with the LCD display.
Problem: Vague image (characters and graphics)
}
Use “Clock” to make an adjustment. If the problem persists,
use “Phase” to make an adjustment.