Major Mac Problems

I am having some serious problems with a Mac. One of the users hard shutdown after it froze with what sounded like graphical artifacts. When they rebooted it, it would load past the Apple logo, to a cursor in the upper left corner, and then the pinwheel indefinitely. I have done the following:

1. Repaired disk and permission.
2. Reinstalled Lion 3 to 4 x
3. Used brand new hard drive
4. Cloned from a working Mac OS with identical hardware.
6. Ran Apple Hardware Test, which said that no trouble was found.

I am able to run it in safe mode every time. No matter what I do, it will not boot. It is effectively a brand new machine, software wise that is. I even wiped the recovery partition before I cloned. I've been working on this for 2 1/2 days now. Any help would be GREATLY appreciated.
DrGanglesAsked:
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strungCommented:
What do the console logs say?
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DrGanglesAuthor Commented:
NVDA (OpenGL): Channel exception! exception type = 0x2 = Fifo: SW Method Error
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DrGanglesAuthor Commented:
And before that: SMC::smcReadyKeyAction ERROR: smcReadData8 failed for key $Num (kSMCKeyNotFound)
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strungCommented:
There is a long thread here with respect to the NVDA Error:

https://discussions.apple.com/thread/1916253?start=435&tstart=0

One suggestion was:

 "I navigated to /System/Library/Extensions and moved all the files starting with NV and GeF to a backup directory on my desktop, then used Kext Wizard option "System/Library/Extensions" to Repair Permissions and to Rebuild Cache, then rebooted.
 
"The computer restarted with no gray screen and no more NVDA(OpenGL) log entries."

Others reported having to replace the video card. Have a look at the thread.
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DrGanglesAuthor Commented:
I can't thank you enough. I rooted around Google looking for exactly that. It worked!
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