My iMac 10.6.8 will not stay asleep. It keeps coming back on seconds or minutes after I put it to sleep.

My iMac will not stay asleep. A few seconds to a few minutes after I put it to sleep, it comes back on.

OK, a few more things coming to mind:
Set the energy saver to sleep in 1 min
Diconnect every single peripheral you have connected to your iMac
Eject any DVD/CD you may have in the drive
Turn off all applications you have running
iTunes or DVD Player could be waking it constantly up if accessing your drives
Messaging apps could be looking for internet connection
Disable Wi-Fi
Disable Bluetooth - you don't have cells paired to it, do you?
Disconect Ethernet cable (if connected)
Spotlight - is it indexing your drive? (a dot within a magnifying glass would be pulsating and won't let your Mac go to sleep)
Connect a wired mouse - if you have it - and go to Apple menu then click SLEEP
If it remains asleep, keep adding all apps, devices and services back until you find which one is causing it.
If nothing helps, then I'm out of ideas....
In case you have Apple TV - the remote can indeed make it wake up.

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My imac g5 display preference will not stay bright after bootup.
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cwc wrote:
My imac g5 display preference will not stay bright after bootup.
Welcome to Apple's discussion groups.
I'll presume that you can adjust the brightness after bootup. If that display preference is kept in PRAM, it's possible that the PRAM battery is wearing out.
Here's what Apple says about what's stored in PRAM:
http://support.apple.com/kb/HT1242
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Hi John,
I would suggest, with your iPod disconnected, that you force your iPod into disk mode (following the instructions in this article)
Connect your iPod to your computer.
Then, try restoring it in iTunes while it is connected in disk mode.
Can you successfully restore your iPod?
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My Mac mini with 10.6.8 will not stay asleep.

My Mac mini with 10.6.8 will not stay asleep when I click sleep or use the key command. It wakes up immediately. But when I leave it go to sleep on it's own (Energy Saver) it stays asleep. I've set it at approx. 8min. Is their any fix so it will stay asleep from the comand?
Thanks for the suggestion. Didn't figure out what the probelm was, butin disconnecting every thiing and putting it bck it,s working now.

Just a suggestion: In System Preferences, in Energy Saver, under the Power Adapter tab, if "wake for network access" is checked try unchecking it. Probably isn't what the problem is, but worth a try.

Power mac G5 will not stay asleep

Hi, My power mac G5 will not stay asleep--it goes to sleep for several seconds then wakes up again = what to do?

Hi Al,
Most likely cause is a PCI card, or some attached USB or Firewire device, but possiblt 3rd party SW.
Have you done a PRAM reset, CMD+Option+p+r...
http://support.apple.com/kb/HT1379
In fact, do 3 in a row, takes a bit of time.
How to reset the SMU/PMU on a Power Mac G5 (Late 2004) or Power Mac G5 (Late 2005) ...
http://support.apple.com/kb/HT1436
Earlier G3, G4, G5 models...
http://support.apple.com/kb/HT1939
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for Sleep problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
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Check the System Preferences>Other Row, for 3rd party Pref Panes.
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/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
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I also have the same problem. I have the newer battery as per the original post, and no other modifications. Otherwise my story is identical.
Any suggestions?
Edit: After some more fiddling I found that bluetooth had turned itself on and was messing with my sleeping, I've never used it before and made a point to have it off, but somehow it came back on. Maybe this can help? Its worth checking it again.
Message was edited by: Utheran

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I have a Mac Mini and when I put the machine to sleep, via the Menu sleep option, it goes to sleep and then wakes itself up about a minute later.
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For more information, take a look at:
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I've installed Mavericks on my Mac Pro. It works well, generally, but will not stay asleep! Pressing the power button twice sometimes extends the sleep mode but even that seldom results in a full overnight sleep. File sharing off. What else can help?

Hi fremley,
Thanks for visiting Apple Support Communities.
This article may be helpful with determining why your Mac Pro doesn't stay in sleep mode:
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http://support.apple.com/kb/HT1776
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Moving the mouse or using a portable Mac's trackpad, pressing a mouse button, or pressing a key on the keyboard
Some System Preferences settings (see below)
Open applications (see below)
Input devices (see below)
Expansion cards (see below)
Additional drives, such as USB, FireWire, DVD, or CD drives (see below)
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My iMac 10.6.8 will not stay asleep. It keeps coming back on seconds or minutes after I put it to sleep.

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