User's Manual

Troubleshooting 8-5
z Make sure that both devices are compatible.
Display Problems
Nothing appears on the screen.
z During operation, the screen may automatically turn off as a result of
power management. Press any key to see if the screen comes back.
The characters on the screen are dim.
z Adjust the brightness and/or contrast.
Bad dots appear on the display at all times.
z A small number of missing, discolored, or bright dots on the screen
are an intrinsic characteristic of TFT LCD technology. It is not
regarded as a LCD defect.
Resolution cannot be adjusted to desired setting.
z Make sure that the device driver is installed correctly.
The external monitor displays nothing.
z Make sure that the monitor is turned on.
z Make sure that the monitor’s signal cable is properly connected.
Simultaneous display/multi-display does not work.
z Make sure that you turn on the external monitor before turning on the
computer.
Hardware Device Problems
The computer does not recognize a newly installed device.
z The device may not be correctly configured in the BIOS Setup
program. Run the BIOS Setup program to identify the new type.
z Make sure if any device driver needs to be installed. (Refer to the
documentation that came with the device.)