Mini DisplayPort - VGA and MBP 2011 not working

Hi,
I can't get my 13" mbp 2011 to connect to VGA screens. I've bought a mini DisplayPort to VGA converter (an Apple one, not a no name) and if I connect a display over VGA the screen stays black. My mbp recognizes the display, I can see the display's model, resolution etc but no signal. I've tried multiple screens, none work.
I don't have other converters so I can't test if HDMI screens for example do work.
Anyone else having this problem?

I have a 2011 13" i7 and am having the same issue when connecting it to my LG TV through the HDMI adapter. However when I connect it to my HP external monitor it works but it's VERY blurry... so blurry that it hurts the eyes to look at it for more than a few mins.
My previous MBP (2010 13") works fine however with both the TV and monitor. I even reconnected it just to make sure and they both work flawlessly.
I only have 14 days total to return this new MBP and 5 of those days are used up so if I can't get this fixed by then I have no choice but to return it and go back to my old MBP.

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