Why Doesn't My Screen Display A Video - Sony VPCL21M1E/B User Manual

Troubleshooting >
Display
What should I do if some items do not fit on the computer screen?
Check that the text size is set to 100%. If not, some items, for example a software menu, may not be displayed correctly,
depending on the software you are using. See Windows Help and Support for more information on how to change the text
size.
What should I do if no image is displayed on my TV screen or external display connected
to the HDMI output port?
Make sure you are using an HDCP-compliant display. The copyright protected content is not displayed on a non-HDCP
compliant display. See Connecting a TV with an HDMI Input Port
88) for more information.

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
❑ 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.
(page 89)
(page 91) for changing the display output.
or Connecting a Computer Display
n 154 N
(page