I'm unable to change the video settings on my TV connected to my computer laptop nv55s Gateway via HDMI.

I have a laptop Gateway nv55s and I used a Slyvania 32 '' lcd Tv and my secondary monitor via a Hdmi cable. I was out of my house and when I came back the video has not been more appearing on my TV. I went to change my video settings and it detects my TV, but it does not reproduce the image? What could be my problem?

P.S. I'm not very tech Savy.

Original title: gateway HDMI NV55S detects the TV but not photo duplicate

I tried all 3 ports on my tv, but nothing has worked. I started messing around with my wireless keyboard and the keys of my laptop keyboard. Also twirling some cords on the back on my TV and then it worked. Don't know what I was doing, or how I did, but now he works once more. Thank you very much for your help.

Tags: Windows

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