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Troubleshooting >
Display
Why doesn't my screen display a video?
❑
If the display output is directed to the external display 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
for changing the display output. Alternatively, you can press the
Fn
+
F7
keys to change the display output. See
Combinations and Functions with the Fn Key
for more
information.
❑
The video memory of your computer may be insufficient for displaying high resolution videos. In such a case, lower the
resolution of the LCD screen.
To change the screen resolution, follow these steps:
1
Right-click on the desktop and select
Screen resolution
.
2
Click the drop-down list next to
Resolution
.
3
Move the slider up to increase or down to decrease the screen resolution.
✍
You can check the total amount of the graphics and video memory available. Right-click on the desktop, select
Screen resolution
, and click
Advanced
Settings
and the
Adapter
tab. The displayed value may be different from the actual amount of memory on your computer.
How do I change the LCD brightness?
Press the
Fn
+
F5
keys or
Fn
+
F6
keys to change the LCD brightness of your computer screen. See
Combinations and
Functions with the Fn Key
for more information.
What should I do if my screen is dark?
Blocking the ambient light sensor turns your screen dark. Make sure that the sensor is unblocked.
