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Message: <blockquote data-quote="lclev" data-source="post: 1651438" data-attributes="member: 307555">Let me start by saying I just purchased my first Mac Pro and I have the 2009 model which would be very similar to yours.  I am finding it requires a lot of digging to find information on these guys.  From what I am reading on the link you provided it seems the GPU was the problem.  What would be nice would be to swap out the GPU and see if that was the problem. The link does talk of removing the GPU and using a second Mac to "try safe boot from drive with OS installed. If you don't have another graphics card to try, but you own another Mac with firewire, remove the graphics card and try to boot this other one from MP HDD in target disk mode. If it would work, set screen sharing up and try to access your MP remotely (booted without graphics card)."I do a lot of PC repair as the IT at work.  I have also worked on several Macbooks but my Mac Pro experience is lacking.  That said, from what I am reading and what you are saying the PS Led is indicating it is okay.  I am not sure if it will also detect a weak power supply.  They can get damaged and work just enough to drive you crazy.  So it looks like it is either the power supply or GPU (video card).  If you can swap one of them out and test it that would be great to try.  That is basically what they will do at any repair shop.Maybe someone else with more experience working on Mac Pro's will chime in.Lisa</blockquote>

Verification: How many occurrences of a n-u-m-b-e-r between "d" and "f" in this example...(sdgs6ngklu3gd#f9%)?