Horizontal stripes flickering all over the display?

Dear Apple Users,
I have a macbook pro 15 late 2008 unibody.
I have two videocards in it 9400 and the 9600.
I do have screen problems there are horizontal stripes flickering all over the screen.
They do get more visible when i have dark background.
These stripes arent even staying for a second they come and go and are hardly visible.
I do have apple care i just brought my macbook to apple they have replaced the display (im very thankfull)
But the problem still not solved it is conned to a apple cinema display 30 and now the stripes are also visible on my cinema display.
Is anyone familair with this problem? Could it be my videocard? Or something else?
Kind Regards,
OG

I doubt that you have a software 'bug' - looks more as if you're having a problem either with the GPU, the screen or the connection between the two.
Since you're still under warranty, I would advise that you take your machine to your local Apple Store or an AASP and have them diagnose and fix the problem. I don't believe that it's anything that can be remedied via software.
Sorry,
Clinton

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Stripes all over the display

Hey guys!
I'm new here!
I just want to share something. Since the install of OSX Mavericks my MacBook Pro acts strange. The waiting ball a.k.a rainbow sometimes pops up out of nothing. And some other bugs.
But today i closed the lid and after a few mins i opent my lid and there it was. All kinds of colours and stripes over the screen. Did someone else experienced this problem? The mouse pointer is clearly visible so this means this is an software bug.
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Sorry for the bad grammer, English is not my main language.

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_Bano wrote:
Ok, now I've resized all menu's and assets to 720x576 D1/DV PAL Widescreen (set to 16x9 in encore). On a 16x9 screen everything is looking very sexy indeed, but on a 4x3 screen it is letterbox. I tested this with a regular DVD which adjusts to fill the 4x3 screen.
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Horizontal stripes flickering all over the display?

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