Why cant i connect my laptop to tv via hdmi

  herc182 14 Oct 12
Locked

My old laptop connected just fine but my new one doesnt. New laptop has TWO graphics card (intel for 2D and nvidia for more taxing stuff) and am wondering whether thats the issue?

I connect my laptop to TV via HDMI but when I hit F1 (to change display output to a projector) the laptop screen changes (As though it has connected to the TV) but the TV isnt showing anything. Any ideas?

I have windows 7 64bit if that helps and a 32inch Sony TV (which has allowed connection to before on a different laptop - so it must be my current laptop configuration!)

  herc182 14 Oct 12

If I right click on desktop, click personalise, then go to "display", it shows 3 displays. Assume two are graphics cards and one is definitely the TV. I think it extends or duplicates within the two graphics cards rather than the tv! so irritating!

  herc182 14 Oct 12

This is extremely irritating. I have tried everything that I can think of. anyone have any ideas?

The solution that seems to work for most is here, but doest work for me: http://forums.cnet.com/7723-13974_102-543610/unable-to-mirror-dell-xps-15z-s-display-on-a-hd-tv/

second response

  herc182 14 Oct 12

This is extremely irritating. I have tried everything that I can think of. anyone have any ideas?

The solution that seems to work for most is here, but doest work for me: http://forums.cnet.com/7723-13974_102-543610/unable-to-mirror-dell-xps-15z-s-display-on-a-hd-tv/

second response

  D@ve 15 Oct 12

Difficult to advise when you don't own that actual laptop, but from reading the link, the problem seems to be that the laptop is trying to output from the DisplayPort socket instead of the HDMI socket.

A possible workaround (which involves a small expense) would be to use a mini-DisplayPort to HDMI cable (connected to the mini-DisplayPort socket), instead of a usual HDMI cable. Not ideal, but it might work. Here are some on eBay.

  johnashdown123 11 Jan 13

If it works on the older laptop there should be no reason why it shouldn't work on the newer one. Are you using HDMI inputs and outputs. You want to make sure it is set up correctly to display. I use my laptop and other HDMI devicesto switch back and forth to my HDTV without any issues. I also a HDMI Switch that I use in this set up.

  MrDigital01 15 Jan 13

Its hard to call whats the exact problem. Better try to check the connection settings and adjust accordingly.

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