Mac OS forum


Recently a black box which moves with my on screen pointer.

by geturdone01 / October 19, 2012 8:09 PM PDT

I suspect the problem is related to a plug-in. The computer is a 2007 MacBook with the most up to date version of Snow Leopard. Often the black box doesn't appear immediately with power on, but will eventually appear. Anyone have a similar problem or can give me advise?

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All Answers

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Actually sounds like a common GPU failure.
by R. Proffitt Forum moderator / October 20, 2012 5:21 AM PDT

Does this unknown model use that Nvidia 8xxx GPU? It was in the news.

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(NT) Thank you.. It uses the Intel GMA X3100: GPU
by geturdone01 / October 20, 2012 11:13 PM PDT
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Any chance of supplying the exact model?
by R. Proffitt Forum moderator / October 21, 2012 3:52 AM PDT

Now that I have one more clue I've seen this with non-standard RAM in many Intel GMA solutions.

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MacBook 3.1.... late 2007, dual Intel core... Please let me
by geturdone01 / October 21, 2012 7:01 AM PDT

Thank you. Please let me your thoughts or if you need more information.

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So far.
by R. Proffitt Forum moderator / October 21, 2012 8:14 AM PDT

I'm thinking non-standard RAM. The Intel GMA has been spotted to do that when the memory is not up to the task.

-> But why didn't you reply to that idea? You should know if something is not stock there.

The next idea is heat. Tell us about your yearly canned air cleaning.

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Think I found a solution
by geturdone01 / October 23, 2012 2:06 AM PDT
In reply to: So far.

You are correct that I installed new RAM several months ago, but The black box only started appearing a couple weeks ago. The solution that seems to have solved the problem was under System Preferences... Universal Access.... Seeing. The mystery is that I had never changed any of the settings under Seeing before. I continue to think that a Plug-in or App somehow changed something in preferences. I made some changes to the preferences and the black box has stopped appearing so far. Thank you for your help. Sorry I couldn't get back to you right away.

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