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
Fn
+
F5
,
or change the
display through the settings in
Display
Properties.
Simultaneous display/multi-display does not work.
Make sure that you turn on the external monitor before turning on the
computer.
Press
Fn
+
F5
to toggle through the display options or change the
settings in
Display
Properties in Windows.
Hardware Device Problems
The computer does not recognize a newly installed device.
Make sure if any device driver needs to be installed. (Refer to the
documentation that came with the device.)
Make sure if the device needs any jumper or switch settings. (Refer to
the documentation that came with the device.)
Check the cables or power cords for correct connections.
For an external device that has its own power switch, make sure that
the power is turned on.
8-6 Troubleshooting
