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.
z The brightness level might be too low. Increase brightness by
pressing the
Fn+F6 hot key.
z The display output might be set to an external device. To switch the
display back to the LCD, press the
Fn+F9 hot key or change the
display through the settings in Display Settings Properties.
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 VGA 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.
z Switch the display to the monitor by pressing the Fn+F9 hot key or
change the display through the settings in Display Settings Properties.
Simultaneous display/multi-display does not work.
z Make sure that you turn on the external monitor before turning on the
computer.
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