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Mac Pro refuses to go to sleep on it's own.
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Grizzled Veteran
Join Date: Nov 2003
Status:
Offline
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My Mac Pro used to be able to go to sleep by setting the Energy Saver settings to automatically sleep after so many minutes. It no longer sleeps at all on it's own. Lemme explain.
If I put my computer to sleep with the Apple Menu, or Power Button or any other manual method of sleeping my computer, it works but, if I leave it to sleep on it's own only the screen will go black. When I move my mouse, the screen will instantly come back on as if only the screen was sleeping. I know what a normal sleep sounds like... I'd hear a few clicks and hard disk spin downs and then my screen would go black but, it does not do that.
To prevent a bunch of people asking the "Have you tried...?" questions, I'll go ahead and list the things that I have already tried and failed.
1. Repaired permissions
2. Unplugged any external gadget (USB and FireWire)
3. Tried a brand new user
4. Tried Restarting (Hey, couldn't hurt to just Restart)
5. Checked for weird login items (Only EyeTV Helper which has been there the whole time even before the sleep problem)
6. Made sure my software was up to date (latest security and OS Updates)
7. Booted into "Safe Mode"
8. Checked Activity Monitor for any strange processes running
9. Checked for scanner software (Couldn't find it)
10. Tried switching the Mighty Mouse to the right keyboard USB port
11. Tried un-mounting all hard drives (except for boot drive)
I can't think of anything else to try. I can't believe that Safe Mode or a new user couldn't clear the problem. Has anyone else had this problem?
I'm running Mac OS 10.4.9 on a Mac Pro with 3GB of (working) RAM and 3 internal SATA hard drives and 2 internal SuperDrives.
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Mac Elite
Join Date: Jun 2006
Status:
Offline
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Do you have a scanner attached to the macpro, lots of people including myself have reported that when the scanner is on and/or connected it prevents the mac from sleeping.
that being the case remove all usb devices (if you don't have a scanner), other then the keyboard and mouse and see if that fixes the problem.
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Michael
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Grizzled Veteran
Join Date: Nov 2003
Status:
Offline
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Originally Posted by mac128k-1984 
Do you have a scanner attached to the macpro, lots of people including myself have reported that when the scanner is on and/or connected it prevents the mac from sleeping.
that being the case remove all usb devices (if you don't have a scanner), other then the keyboard and mouse and see if that fixes the problem.
I noted that I unplugged all USB devices to no avail.
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Mac Elite
Join Date: Jun 2006
Status:
Offline
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Sorry missed that - bummers I thought I had the solution for you 
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Michael
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Forum Regular
Join Date: Apr 2007
Location: Dominican Republic
Status:
Offline
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I have (or had, I dunno.. I formatted the drive yesterday) the same problem with my 1.83Ghz Intel Core Duo MacBook... I would it to sleep after some time and it wouldn't...
I've read somewhere that some applications stop the computer from automatically going to sleep.. I just know that DVD Player does that.. What other applications do the same?
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MacBook 1.83Ghz Core Duo / 1GB RAM / 60GB HDD
iPod Nano First Gen 1GB Black
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Grizzled Veteran
Join Date: Nov 2003
Status:
Offline
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Originally Posted by mac128k-1984
Sorry missed that - bummers I thought I had the solution for you
That's okay. I think I read another post by you in another forum suggesting that, so that's why I tried it. I also have a Canon scanner (unplugged) but, I could not find a running driver for it. Anyways... I had my scanner before this sleep problem... it's a fairly new problem. I have Azureus installed... could that be doing it?
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