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Windows 7: Complicated problem with hdmi cable

25 Feb 2016   #21

Windows 7 Pro x64 (1), Win7 Pro X64 (2)

Glad to hear you got it all sorted out, and that you now have both your monitor and TV working simultaneously as two separate display devices working together as one extended Windows desktop covering both devices horizontally.

I don't know what things looked like before, when you say you were capable of enabling or disabling the Intel Graphics in Display Adapter of Device Manager, but based on your current screenshot of Device Manager that just isn't happening. So let's forget about the past.

Right now you have realized your GTX 660 graphics card is the true working graphics hardware in your machine. And it has multiple video connectors that can be used simultaneously, as long as you have the right two cables to connect one end of each to the graphics card in the PC and the other end of each to either monitor or HDTV.

And you now know that you can use a DisplayPort or HDMI cable to deliver both audio and video if the target display device has its own speakers that you want to use for sound, or just video if that's all you want to deliver to the display device. If you only deliver video to the display device (and don't use its speakers which might also exist) then you simply have your regular external speakers connected to the Realtek HD Audio jacks on the back of the PC, connected for sound from PC to speakers.

If you want to use the DVI connection to the monitor, it will only provide video. No audio. But if you're using external speakers for sound then you don't need to send audio to the monitor so DVI cable is just fine. So ideally, you'd use a DVI-to-DVI cable, with DVI connectors at both ends. One end connects to the primary DVI connector on your GTX 660 graphics card, and the other end connects to the DVI connector on the monitor.

Using a DVI-to-DVI connector for your monitor would then leave both HDMI and DisplayPort connectors on the GTX 660 available for use connecting to your TV as a second display device, with a proper cable. Easiest thing would be to just use your existing HDMI-to-HDMI cable to connect from HDMI on the GTX 660 to the HDMI connector on your TV, which it sounds like you already did.

So... you're in business!! Believe me you don't want to be using built-in Intel graphics even if it showed up in Device Manager. You WANT to be using your GTX 660.

Sounds like case closed! Glad to help out.

My System SpecsSystem Spec

 Complicated problem with hdmi cable

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