Toshiba 2455 Manual De Usuario

237

5.375 x 8.375 ver 2.4.1

The following display options are readily available on your 
system:

❖

Built-in display panel only

❖

Built-in display panel and external monitor 
simultaneously

❖

External monitor only

❖

External video device only (composite port)

To open the display options window, press 

Fn

 and 

F5

 

simultaneously. To choose the desired option, hold down 

Fn

 

and press 

F5

 repeatedly until your choice is selected.

To decrease or increase screen brightness you can use the hot 
keys 

Fn + F6

 or 

Fn + F7

.

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.

❖

Make sure the display choice is not set for the built-in 
screen only.

You can change the display settings by clicking a blank area 
of the desktop with the secondary control button, then 
clicking Properties. This displays the Display Properties 
window. The Appearance tab of this window allows you to 
choose the colors for the screen. The Settings tab allows you 
to choose the screen resolution.