User's Manual

6-4
Troubleshooting
 Make sure that the other device is not in “Hidden” mode.
 Make sure that devices are compatible.
Display Problems
Nothing appears on the screen.
 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 brightness level might be too low. Increase brightness.
 The display output might be set to an external device. To switch the
display back to the LCD, press the Fn+F5 hot key or change the display
through the Display Settings Properties.
The characters on the screen are dim.
 Adjust the brightness and/or contrast.
Bad dots appear on the display at all times.
 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.
The external monitor displays nothing.
 Make sure that the monitor is turned on.
 Make sure that the monitor’s signal cable is properly connected.
 Switch the display to the monitor by pressing the Fn+F5 hot key or
change the display through the Display Settings Properties.
Simultaneous display/multi-display does not work.
 Make sure that you turn on the external monitor before turning on the
computer.
 Press the Fn+F5 hot key to toggle through the display options or change
the Display Settings Properties in Windows.