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DDT

macrumors newbie
Original poster
Hey guys,

After running very smooth and painless on my 2013 Retina MBP. I decided to also update my main system. (iMac Mid 2011 27'' 3,4Ghz i7 16GB RAM) Which also had a complete clean install done only a few weeks prior. But i've had numerous bugs. I have been able to fix/work around most of them. But the following have really been plaguing my system:

-iTunes scrolling very glitchy. After scrolling entire interface is scrambled
-Finder also scrolling glitchy/jerky. Finder/App windows move quite jerky

I've already tried all the obvious things:
-Reduce transparency
-Set scroll bars to always on (Seemed to fix it for 5+ Mins, but then reverted back to the old state)
-Delete all the preferences (Again, seemed to work for a few minutes, but then no go..)
-Reinstall iTunes
-Empty Spotlight cache
-Reset PRAM/SMC
-Repair Disk permissions

And it really baffles me, because I don't have the WindowServer issue talked about here:
https://discussions.apple.com/thread/6623697
I did however perform this fix, (Twice, to rule out any human error) because I do have a secondary monitor hooked up to my iMac. But it didn't fix anything.

So has anyone else experienced this?
And does anybody have a fix/workaround for this?

I'm sure it will be fixed in 10.10.1 (Should have held off updating my main system, until X.1 in the first place. But I got impatient, with Yosemite running so smooth on my Mbp and all..) But dealing with this issue, until then isn't really a pleasant experience haha.
And a clean install isn't really an option. Partly because i've done this only a few weeks ago, and really don't look forward to doing it all again anytime soon.
And mainly because I need my iMac for my work, and really can't miss it at the moment.
 
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