I attach my MBP (OS X 10.10.4) via VGA to my tv and the aspect ratio is correct when setting an 1360x786 resolution, which is a 1.77 aspect ratio. But when trying to increase the resolution to 1690x944, also 1.77 aspect ratio, the image is distorted. Now I wonder how that can be the case given the ratio between height and width is identical.

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    Are you certain you are actually getting the resolution you are asking it for? My first guess would be the TV can't cope with one of them & is actually doing something different. – Tetsujin Dec 8 '15 at 10:26
  • No, I'm actually not sure and thought of the same. But how can I verify this? – oarfish Dec 8 '15 at 10:31
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    My TV displays the resolution as it changes, but only in 'TV terms' 720i 1080p etc. Not sure how you would interrogate it, especially over VGA. – Tetsujin Dec 8 '15 at 10:34
  • Check your settings for overscan and underscan on your TV. – orkoden Dec 8 '15 at 11:09
  • Unfortunately, the UI is quite limited and contains no such settings. It's a cheap tv. – oarfish Dec 8 '15 at 11:13

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