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MacPro HELP please!

Mac Basics and Help - MacRumors Forums - forums.macrumors.com
I have a first generation MacPro which is giving me fits. For a while it would sometimes get green./red lines with flickering and would lock up. The cursor would move but no reactions. Since then it stills does the same thing. Additionally now it sometimes will boot and then freeze, or not boot.

I have entered into Safe Mode and everything (other than what Safe Boot disables) works fine. I have done the usual things, disk permissions, repairs, etc. Deleted startup items. Still has same problem but Safe Mode works.

Also, in Safe Mode, Firefox windows when dragged on the screen will have large black areas within the Firefox window as I am dragging them, but when I stop dragging, the window is ok. In Safe Mode, Firefox does work as does Safari. I have done the recommended things for Firefox and still no change.

I was wondering about the graphics card, but everything works in Safe Mode.

I am certainly not an expert, but it would seem to me that something that is disabled while in Safe Mode must be the cause of the problem. Is there any way I can within Safe mode gradually add what it disables and see if that remedies the problem.

I am not anywhere near an Apple Store, nor any Apple techs. Cannot afford another box. Can you guys help?

 


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