Troubleshooting
8-6
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.
ExpressCard Problems
The ExpressCard does not work.
Make sure that the ExpressCard is correctly seated.
If the card requires an IRQ (Interrupt ReQuest), make sure that there
is one available.
The ExpressCard stops communicating properly.
The application may have been reset when the computer is turned off
or in Sleep mode. Exit and restart the application.
Summary of Contents for Dossier L50
Page 1: ...User s Guide for December 2007 ...
Page 114: ...Index I 5 ...