Toshiba Satellite U200 Series User Manual page 195

If you are using the built-in screen, make sure the display
priority is not set for an external monitor. To do this, press
and simultaneously (once). If this does not correct the
F5
problem, press
display priority to its previous setting.
HINT: Holding the Fn key and pressing the F5 key several
times will advance you through the display options.
If you are using an external monitor:
❖
Check that the monitor is turned on.
❖
Check that the monitor's power cord/cable is firmly
plugged into a working power outlet.
❖
Check that the cable connecting the external monitor to
the computer is firmly attached.
❖
Try adjusting the contrast and brightness controls on the
external monitor.
❖
Press
priority is not set for the built-in screen.
The screen does not look right.
You can change the display settings by clicking a blank area
of the desktop with the secondary control button, then
clicking Properties. This opens the Display Properties dialog
box. The Appearance tab of this dialog box allows you to
choose the colors for the screen. The Settings tab allows you
to choose the screen resolution.
The built-in screen flickers.
Some flickering is a normal result of the way the screen
produces colors. To reduce the amount of flickering, try using
fewer colors.
To change the number of colors displayed:
1 Point at the desktop and click with the secondary button.
Resolving a hardware conflict
and
Fn F5
and simultaneously to make sure the display
Fn F5
If Something Goes Wrong
simultaneously again to return the
195
Fn