How can I test the video card in my Mac Pro 2.1

I have a Mac Pro 2.1 that I believe the video card may be faulty.  What's the best way to test this?  The video card is an ATI Radeon x1900 XT.  I've read a few things online about this video card and its problems.  The problem I'm having is that the machine comes on sometimes and others doesn't.  The purpose of this post is to find the best way to test this card while in the Mac.  I have little Mac knowledge so please keep this in mind when replying.  Thanks in advance.
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bijan588Connect With a Mentor Commented:
Ahh, this is all I could find

It has a graphics test build in, tell me how it goes.
You can you a few benchmarking tools.
If you can boot into bootcamp you can use furmark.

Otherwise you can ask a friend to use his card and see if the problem goes away.

Additionally that card is very old, it may be time for an upgrade anyway.
1namylnAuthor Commented:
I need something that will push the card to see if the problem occurs.  I don't know how to "boot into bootcamp"
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1namylnAuthor Commented:
I've installed and ran the program.  I see that its given me a total score but I don't see that there are any pass/fail notifications about the performance of the video card.  If there are any ways you can think of that I can stress the card, maybe this will recreate the problem.  I'm working on it for a friend and they've stated that the problem happens out of the blue.  After some research on the net it appears that this card does have some known issues but I need to verify the card is broken first.
strungConnect With a Mentor Commented:
Apple Hardware Test:
1namylnAuthor Commented:
@strung, it appears I will need my Apple OS disk to complete this test.  I will find the disk and repost.  Thanks.
caballo_oscuroConnect With a Mentor Commented:
before you go and do something elaborate you could run the system check which is under the file menu. this tells you the sytem information and whether any problems are present. best of luck
1namylnAuthor Commented:
Decided to replace the video card.  Thanks to all for your efforts.
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