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Video Artifacts in Safari Top Sites view

416 Views 6 Replies Latest reply: May 6, 2012 9:39 PM by JonAllen RSS
JonAllen Calculating status...
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Sep 26, 2011 3:35 AM

I have a 2.66 Core 2 Duo MacBook Pro model with the dual NVIDIA GeForce 9400 video chip.

 

On both chips, when creating new tabs in Safari, the Mac displays what I would otherwise call video artifacts/artefacts especially when choosing 'Top Sites' view.

 

It is quite hard to sceencapture as it only happens for a short time and seems to freeze the Mac, but the image below give some idea of what it looks like. Basically, all the site previews are chopped up into bits and messed around the screen. Sometimes I see banding of colors just like classic video artifacts.

 

It only happens inside the Safari window and it happens on both chips.

 

This Mac was a refurb and has already had a replacement motherboard which did not fix it. I also see similar problems in iPhoto when viewing mainly black or transparent gifs.

 

My local genii say there is no problem. I beg to differ and am concerned it is something deeper.

 

Does anyone else suffered such effects? Is there a cure?

 

OS 10.6.8 and Safari 5.1. I have tried 'nuke and pave' and a clean install but it did not cure it.

 

Thanks in advance ...

mac-problems.jpg

MacBook Pro, Mac OS X (10.6.8), 2.66 Core 2 Duo NVIDIA GeForce 9400

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