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HDMI and DVI use the same video protocol, so swapping between them won't make any difference.
The resolution is slightly different between monitors and TVs. It shouldn't make a difference to picture quality alone but it may stop whatever's happening on the soundbar. I haven't had an nVidia card for years but there should be separate options for 1920x1080 and FullHD/1080p, although they may not be in the same place (and they have a habit of only offering the latter through HDMI).
If you can't persuade your soundbar not to muck about with the signal then the easiest way is to connect HDMI to your soundbar and another cable from your computer to your monitor (DVI will do) and then set the two outputs up in clone mode. |
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