Why doesn't my screen display a video, What should i do if my screen is dark – Sony VGN-FW170J User Manual
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Troubleshooting
Why doesn't my screen display a video?
❑
If the external display is selected for the display output and the external display is disconnected, you cannot display a
video on your computer screen. Stop video playback, change the display output to the computer screen, and then restart
video playback. See
Selecting Display Modes
❑
The video memory of your computer may be insufficient for displaying high resolution videos. In this case, lower the
resolution of the LCD screen.
To change the screen resolution, follow these steps:
1
Right-click the desktop and select
Personalize
.
2
Click
Display Settings
.
3
Move the slider under
Resolution
to the left to reduce or to the right to increase the screen resolution.
✍
You can confirm the value of the total available graphics memory and video memory. Right-click on the desktop, select
Personalize
, and click
Display
Settings
,
Advanced Settings
, and the
Adaptor
tab. The value may be displayed differently from the actual memory on your computer.
What should I do if my screen is dark?
Press the
Fn
+
F6
keys to brighten your computer screen.