Toshiba satellite l550 Manuel D’Utilisation

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If Something Goes Wrong
Display problems
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 
Fn
 and 
F5
 simultaneously to make sure the display 
priority is not set for the built-in screen.
The screen does not look correct.
You can change the display settings by clicking a blank area of the 
desktop with the secondary control button (right-click button of 
TouchPad™ or mouse), and then clicking Personalize. This opens 
the Personalization window. Click Display to view the available 
display setting options. Select the applicable component on the 
right side of the window to optimize your display settings. For more 
information on desktop customization options, please see the 
Windows
®
 online Help.
For more information, see the Windows
®
 online Help.
A message displays saying that there is a problem with your 
display settings and that the adapter type is incorrect or the 
current settings do not work with your hardware.
Reduce the size of the color palette to one that is supported by the 
computer’s internal display.
To change the display properties:
1
Right-click in a blank area of the Windows
®
 desktop.
2
Click Personalize, and then Display.
3
Adjust the screen resolution and/or color quality.
4
Click OK.
The display mode is set to Simultaneous and the external 
display device does not work.
Make sure the external monitor is capable of displaying at 
resolutions of 800 x 600 or higher. Devices that do not support this 
resolution will only work in Internal/External mode, and not 
simultaneous mode.