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I have a Sony Vaio VGN-2950 with a HDMI connection and an external monitor: a Samsung 24A350H with a HDMI input.

If I connect the laptop to the Samsung via a VGA connection, it works fine. However, it won't work when using HDMI; the screen stays blank.

Any ideas how I can get it to work with HDMI?

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Are you sure the cable's good? –  evamvid Apr 6 '14 at 0:27

2 Answers 2

As long as you have your display drivers installed properly, you should see the option "Output To ->" when you right click on your desktop and look under display or properties. If HDMI is connected, You should see the option Output To - TV.

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I had the same problem. I also have a Sony Vaio laptop and a TV connected using HDMI, it used to work fine, but one day it did not. The VGA cable still worked fine.

Here is my solution:

  • Reboot PC.
  • Go to BIOS, by pressing F2 or whichever key is correct for your computer.
  • Within the BIOS settings, disable Intel Visualization Technology.
  • Reboot computer.

And it should work. If there is no such option, go to BIOS and restore the original BIOS settings from the BIOS menu.

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