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OS X - Operating System General OS operation information and support

Mac Pro (OS X 10.5.8, Intel) Will Not Restart

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Member Since: Feb 15, 2012
Posts: 1
kidtronic is on a distinguished road

kidtronic is offline
I've been having troubles restarting my Mac Pro for quite some time now (I believe since I had a new HD installed, which I use for TimeMachine backups only).

Everything on the computer works fine except for when I attempt to Restart the computer - it gets sent to this sleep state or a lull where everything seems to shut down except the tower stays in what appears to be a sleep state that cannot be woken.

So I hold down the power button to power it down and then boot it up again.

Curious to see what I could do to remedy this situation as I don't want to always have to shut down then boot up again as opposed to simply restarting.

Thanks so much,

- K
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Member Since: Dec 11, 2010
Posts: 1,333
gsahli is just really nicegsahli is just really nicegsahli is just really nicegsahli is just really nice

gsahli is offline
Reset PRAM,
Mac OS X: Gray screen appears during startup
Reset SMC,
Intel-based Macs: Resetting the System Management Controller (SMC)
Check and replace internal battery.
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