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Mac Pro freeze on startup and then shuts down

Apple Mac pro dual intel xeon 2.66ghz du...
February 25, 2010 at 03:50:52
Specs: OSX Leopard
The other day my Mac Pro Intel started going really slow. I had a lot of aplications running so I shut them all down (wich took like 5 min because it was so slow) and restarted. But it never came back on. It freezes at the gray screen with the apple and the spinning thing under it. It stands like that for about a minute and then shuts down.

What on earth could be wrong? Please help!!

See More: Mac Pro freeze on startup and then shuts down

February 27, 2010 at 08:57:04
Try booting in safe mode. Start the Mac and as soon as you hear the start up chime hold the shift key. Release when the apple logo and spinning thing shows up. If it loads you can try using disk utility to verify the disk or repair th epermissions database which may fix your issue.

If safe mode doesn't work, try booting from the software restore discs and using disk utility from there to verify the drive.

If even that doesn't work then you've probably got a hardware fatality.

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February 28, 2010 at 02:17:34
Thanks for your response!

I've tried all of the above. I actually re-installed OSX Tiger
instead of Leopard. I only used Tiger for one day until I got
my hands on a Leopard DVD. But the thing is that I think it
worked fine. However when I re-installed Leopard the
problems began again.

But let's say it's a hardwere problem... Can I install Leopard
on another of my four internal hard disks in for example disk
bay 3? Or does it have to be in bay 1?

And if the disk in bay 1 is indeed dead, can I just replace it
with whatever disk or does it have to be a special disk to
work properly...?

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