Display Problems - Toshiba Portege 3490CT User Manual

212
If Something Goes Wrong
Resolving a hardware conflict

Display problems

Here are some typical display problems and their solutions:
The display is blank.
Display Auto Off may have gone into effect. Press any key to
activate the screen.
You may have activated the instant password feature by pressing
and
Fn
type the password and press
Enter,
registered, press
continue working.
If you are using the built-in screen, make sure the display priority
is not set for an external monitor. To do this, press
simultaneously (once). If this does not correct the problem, press
and
Fn
previous setting.
If you are using an external monitor:
❖
Check that the monitor is turned on.
❖
Check that the monitor's power 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 AccuPoint II secondary button, then clicking
Properties. This causes the Display Properties dialog box. The
Appearance tab of this dialog box allows you to choose the colors
simultaneously. If you have registered a password, press
F1
. The screen reactivates and allows you to
Enter
simultaneously again to return the display priority to its
F5
and simultaneously to make sure the display
Fn F5
. If no password is
Enter
and
Fn F5