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XPS 15 doesn't detect external display

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#1 Trevor Howe

Trevor Howe

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Posted 13 February 2012 - 09:30 PM

I'm trying to connect my XPS 15 to my TV through an HDMI. I've done Win + P and tried to extend / duplicate the screen, but it doesn't work. I went to the control panel and found out my computer isn't recognizing the HDMI is plugged in. I've tried a few different cables and TV's, but the same thing happens. What is wrong?

Thanks for the help.

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#2 LucheLibre


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Posted 13 February 2012 - 09:46 PM

I found that I had to use the GPU driver software to get my computer to work properly with my TV. Windows wouldn't do it on its own.

I suggest you try stepping through the troubleshooting list here first:


Looking through other posts, the problem likely rests with the TV. There seems to be no standard for TVs communicating with computers.

If it looks like I know what I'm doing, there's a pretty good chance the only reason for that is because
I once asked someone to run chkdsk /r and a BC Advisor smacked me in the back of the head.

~ LL ~

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