Mac Mini DVI Monitor Problems

Hi all,
I'm running OSX10.8.5 on a Mac Mini 2.5 GHz Intel Core i5 with 4 GB 1600 MHz DDR3 memory and Intel HD 4000 512MB graphics.
I've just upgraded my monitor from a VGA 17" to an AOC E2462VWH 24" monitor, plugged into my computer via DVI with a Thunderbolt adaptor.
In a normal boot-up, the monitor displays video for a split second and then cuts to black. The picture works fine in Safe Boot mode but video is jerky, everything loads slower, I can't play .mov files (Quicktime tells me unknown error -101) and there is an annoying flicker every 10 seconds. The fact the monitor works fine in Safe Boot suggests to me the problem is software. Resolution is set to 1920 x 1080 @ 60Hz and OSX is not letting me change that via Settings.
I went searching for drivers only to lean it sounds like OSX deals with monitors in a plug-n-play format. Is this true?
Firstly, can I confirm my mini has the power to drive this monitor?
Besides that, can you please help me figure out how to boot this computer so the monitor displays in normal boot-up mode?
Thanks for your help!

Then it sounds like yo need one of these:
http://store.apple.com/us/product/MB571Z/A/mini-displayport-to-dual-link-dvi-ada pter

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