Vga blurred

BBought a Mac mini late 2014  with intention of using two monitors that I allready own. Monitors work great with Mac book pro with mini displa port to  vga adapter  but the image is unusable blurred with new Mac mini, tried two adapters, bought new vga leads, tried  auto setup and manual set up on monitors and no success. Upgraded Mac book pro to Yosemite and now same problem on that. Output from Mac mini great on hdmi even at 1080p on TV but as I need to drive a data projector I need vga to work. Any ideas out there? telephone product support from team leader has given no result.

Edit:  I've just tried the same monitor and adapter on my Mac Mini with the same results.  The picture still looks slightly blurred and with a shadow.
The Mac Mini also has a Mini DVI port and when I use a Mini DVI to DVI adapter on the same monitor the picture is nice and crisp.
Will switching to a Mini DisplayPort to DVI fix my blurred vision?!?

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    twitter - http://twitter.com/Rick_Smith

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