My Satellite L755 HDMI - output 16 M has stopped working

Hello!

I have been for long the my Satellite L755 HDMI connection to a TV, but a few days ago it stopped working. The laptop detects the TV and identifies it as Samsung, but there is no signal on the TV screen.

Outputs HDMI to the TV and cable are ok because I can run other devices. Tried to activate HDMI thanks to push "FN" + "F5" key (I choose the TV screen), changed the resolution, updated Nvidia drivers, nothing works. My OS is Win7 64.

I know that the only signal is seen on TV, the screen is when I restart the computer; the I can see on the image on the screen of the TV for a few seconds (while "starting windows" is displayed) and not good image, with lots of red vertical lines on the screen. After a few seconds, no signal again on the TV screen

Can anyone help? Maybe it's a hardware failure?
The laptop is no longer under warranty.

Thank you.

Hello

It is not easy to say what may be wrong with that. I think that it will help much, but have you tested the feature with different HDMI ports on the TV?
Have you tried to roll back the OS (System Restore) to an earlier time when everything was OK?

On this virtual path, that it is not possible to provide the diagnostic but ultimate test right, you can do if you reinstall OS using original recovery image and test in functionality with the factory settings.

What do you think of all this?

Tags: Toshiba

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