User`s guide

Troubleshooting 8-6
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 by
pressing the Fn+F7 hot key.
 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 settings in 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.
Resolution cannot be adjusted to desired setting.
 Make sure that the video driver is installed correctly.
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 settings in 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 settings in Display Settings Properties in Windows.