27" Thunderbolt display flashes

Hey guys, I just picked up a brand new thunderbolt display and macbook pro.

I used them together for about an hour before the display went haywire and i pulled the plug... My friend that works at Apple told me to update the firmware, so I checked for Mac updates and it found a few, so I installed them.

Everything seemed to be going good until a little while later... Now there are intermittent black flashes on the screen every so often. It's really getting annoying... Just spent almost $3000 on this set up, and I do not want to have problems like this for that much money!

Appreciate any help. I tried searching but couldn't find anything good on the subject.