I have MacBook Pro 13" Mid 2010, NVIDIA GeForce GT 320M

Recently (but right after installing OS X Lion) I've encountered artifacts on my screen. It's quite often and I can't say if the problem came from Lion (which brought me also problems with sleeping and few freezes, which I never had on Snow Leopard)

So is there any good way how to test my graphics card? or just it's video memory?

  • There is a known problem with the mid 2010 15" MacBook Pro's which has a bugged NVidia driver in Lion. I am not sure if this problem is related. – BinaryMisfit Oct 25 '11 at 11:00
  • @Diago can you please attach link so we can find out? – Marek Sebera Oct 25 '11 at 11:18
  • Apple support article discussing the issue with the 15" MacBook: support.apple.com/kb/TS4086 – BinaryMisfit Oct 25 '11 at 11:20
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    FYI. When I posted that link last night in chat there was no solution, since Apple has released a driver update which I will be testing tonight. – BinaryMisfit Oct 25 '11 at 11:23
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    Having the same problem on my 13" MBP. Pretty sure Lion didn't cause it, I upgraded right on the release date and am only seeing the problem since yesterday. – Jan Henckens Nov 11 '11 at 22:58

MBP 13" 2010 with NVidia GT320M uses shared video memory, so any ram test would be sufficient. My recommendation is to test using memtest86+. If there are problems - try removing one of the sims and run with half of your memory.

  • OK, so that's test of memory. And to test the graphic card itself? what am I supposed to use? – Marek Sebera Oct 25 '11 at 11:17

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