Intel Mac :: Why Won't It Sleep

Apr 14, 2012

Under the apple menu, choosing sleeo mode, screen goes black, power to back up drive and ubs pors still on. When I reawake airport still active along with everything else. 10.7.3 3.06 Early 2009

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Intel Mac :: Only The Sleep Button Under The Apple Logo Puts The Hard Drive To Sleep?

Jul 1, 2012

only the sleep button under the apple logo puts the hard drive to sleep it doesn't do it automatically though energy saver and a timed sleep?

Info:
iMac (27-inch Late 2009), Mac OS X (10.7.4)

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Intel Mac :: It Randomly Goes To Sleep / Previous Sleep Cause: -100?

May 16, 2012

iMac (24 inch Early 2009, 2.93 GHz Core 2 Duo, Lion 10.7.3) randomly goes sleep. No hot corners, never sleep setting.  It seems it goes to sleep more often when CPU is busy and graphic intensive jobs running (videos, gaming). I cleaned up air ways by vaccume, but it did not help. 

Temp monitor showed

CPU 55C
power supply 95C
northbridge 89C
graphic processer goes up to 86C

when it went to sleep for no apparent reason./private/var/log/kernel.log says "Previous Sleep Cause: -100"

Info:
iMac (24-inch Early 2009), Mac OS X (10.7.3)

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Intel Mac :: Won't Go To Sleep On Its Own?

Mar 11, 2012

I set my iMac to go to sleep after 15 minutes of inactivity. Everything worked as it should until I updated Lion to 10.7.3. Now it seems that iMac never goes to sleep on its own. No new hardware installed whatsoever, every settings are the same as before. I even tried by not running any programs, and it still won't go to sleep unless I force it to. It's a mid-2011 iMac with core i5.

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Intel Mac :: Goes To Sleep By Itself?

Jun 11, 2012

Just got my mothers 21 in. iMac on Snow Leopard back from Apple last wednesday. They replaced the logic board and powersupply because it was shutting down by itself and only part way. Power still on the USB. When we got it back, noticed we could hear the fans and the system was much cooler. Seems to be working OK, but yesterday, I manually put it into sleep mode. It normally runs all the time, just puts the display to sleep. The fans shut down and the screen went black. So far so good. Then I clicked on the mouse to wake it. OK, but then in about 2 minutes, it went to sleep again. Every time I woke it, it went back to sleep. Had to do a restart to make it work normally again and stay on.

Info:
Mac OS X (10.7.4)

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Intel Mac :: Going To Sleep Intermittently While In Use?

Feb 11, 2012

Found this issue on many forums, but unfortunately I cannot find a solution.  Taking to an apple store for repair is not an option.  If I'm going to spend $300-$400 for repair, I might as well purchase a new PC.  I am not that attached to this mac, and now with operating issues, I'm even less so.  At least with a PC I can ctrl+alt-del and start all over.  I was expecting more than 4 years out of a $1200 imac, so if I have to replace repair every few years, I'm thinking I'd rather start with a clean slate for $400 every few years with a new PC.  Very frustrated not being able to find a solution online about this problem, seeing that it seems so common. 

While working on imac and surfing the net, my screen will intermittently go to sleep.  I can wiggle the mouse and click it and it will come back on right where I left off, internet connection and all. Once it happens, it continues to happen until I shut down and walk away for a good length of time (overnight).  Problem seems to happen when the imac has been running for many hours at a time.  I have set up the activity monitor, but I don't know what the numbers mean or what to look for.   

This initially started happening this past summer, and I thought it was a heat issue, but now that it's happening mid-winter, not so sure.  Also, in the summer this seemed to be prompted by streaming online, but now it is just from surfing.  Not sure if it would shut down if I was working in Pages or Numbers, as I do so infrequently.  Doesn't matter if it's Safari or Firefox and it's not a hot corners/sleep issue.  Also noticed my fan runs loud sometimes, but not always.  Not sure if it's a related problem.  Does not sleep because of fan, no consistency in shutting down, etc. 

Info:
iMac, Mac OS X (10.5.8)

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Intel Mac :: How To Make Sleep

Apr 15, 2012

When logging out my I Mac often dont react. It will stay open, or it will sometimes react as it sleep. When I open the Mac again the screen is still warm.

Info:
iMac, Mac OS X (10.6.8)

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Intel Mac :: Wont Go To Sleep On Its Own

Apr 22, 2012

my mac wont go to sleep on its own anly more

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Intel Mac :: It Cannot Automatically Go To Sleep

May 19, 2012

My iMAC has suddenly decided it will not go into the sleep mode without any enforced changes to my preferences, which are set for the system to sleep after 15mins of inactivity.  Now the screensaver kicks in and the computer screen is on all the time.

Info:iMac (27-inch Late 2009), iOS 5.1.1

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Intel Mac :: It Starts Up From Sleep On Its Own

May 30, 2012

Every few months, my iMac will start up from sleep mode on its own. Why does it do this, and is it something to be worried about? i am  not touching the mouse or keyboard or using any remotely connected devices when this occurs.

Info:iMac, Mac OS X (10.6.8)

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Intel Mac :: Mac Is Hot Even If Its In Sleep Mode?

Jun 21, 2012

my mac is hot even if its in sleep mode..

Info:
iMac, Mac OS X (10.7.2)

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Intel Mac :: 21 Inch Will Not Sleep?

Jun 25, 2012

I can't get my iMac to sleep, disconnected USB hub, checked the obvious in system preferences. 

Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.4)

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Intel Mac :: When Computer Goes To Sleep It Will Not Wake Up

Feb 1, 2012

When my computer goes to sleep it will not wake up, and I have to shut down using the power button on the back and then restart. I called support and they advised me that this only happened when the computer went to sleep on it's opwn but not when you manually put it to sleep, But that proved not to be true.  It will not wake up under either situation?  The support persontold me to logonto applke and re-install the sytem software which I have done but that did not cure the problem either. I have my preference set to never sleep. I am ar]t a loss as to what to do now as when it goes to sleep or I put it to sleep i sometimes will not start up even after shutting down and restarting.I am on 10.7.2?

Info:
Imac G5, Mac OS X (10.7)

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Intel Mac :: Hard Drive Won't Go To Sleep

Feb 12, 2012

For the last few days, since carrying out a software update (dont know what update!) when I select "sleep" from the main apple menu my screen goes to sleep but my hard drive keeps running, how do I correct this so the whole thing goes to sleep?

Info:iMac, Mac OS X (10.7.3)

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Intel Mac :: Can't Wake Up After Sleep Mode

Feb 24, 2012

Mac owner for 2 months now and have had no problems till today...had to reboot to wake up from sleep mode...one time occurrence or start of an issue?

Info:
iMac (21.5-inch Mid 2011)

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Intel Mac :: Keeps Waking From Sleep After 10 Seconds

Mar 13, 2012

This machine will simply not go to sleep. I have wake on lan turned off, bluetooth turned off, wifi turned off. OSx Lion 10.7.3. Click finder - Sleep, Screen goes black, between 3 and 10 seconds later : machine is back on. Using Bluetooth Trackpad , Mouse and wired keyboard. Nothing else is connected to the machine (apart form an ethernet cable).

Info:
iMac, Mac OS X (10.7.3)

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Intel Mac :: Often Freezes In Sleep Mode?

Mar 24, 2012

My iMac often freezes in sleep mode. I'm running a 21.5 inch, late 2009 machine with OSX Lion 10.7.3.

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Intel Mac :: Computer Does Not Wake From Sleep?

Mar 29, 2012

Computer does not wake from sleep mode

Info:
iMac, Mac OS X (10.6.8)

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Intel Mac :: Wouldn't Come On After Putting It On Sleep?

Apr 4, 2012

I have a 2.5Gh intel core i5. I put it to sleep last night and today when I went to turn it on it wouldn't wake up. It wouldn't respond to pushing the power button. I unplugged it and plugged it into another power outlet (both worked with other appliances). finally after about about 20 minutes I unplugged the power cord from the back of the computer. As soon as I pushed it back on the computer started booting up (without even hitting the power button). What happened? Did my power drop and this was sort of a reset for the mac?

Info:
iMac, Mac OS X (10.7.3)

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Intel Mac :: Won't Start Up, Or Wake From Sleep

Apr 26, 2012

My iMac won't start up, or wake from sleep.  I've tried everything, except for reinstalling the SO-DIMM memory modules. Still, my iMac will not wake up.  Turning it on, you can hear the fan run, but the display stays dark. 

Info:
iMac, Mac OS X (10.6.8)

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Intel Mac :: Mac Wakes Itself From Sleep Every Night At 9:57?

Apr 27, 2012

My mac wakes itself from sleep every night at 9:57.  What have I set to make that happen?

Info:
Mac Pro

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Intel Mac :: Use Sleep Mode Or Logout On It?

Apr 29, 2012

Is it better to use sleep mode or logout on a iMac ?

Info:Mac OS X (10.7.3)

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Intel Mac :: Would Not Wake Up From Sleep Mode

May 5, 2012

My Mac would not turn on this morning from sleep mode. I pressed the power button and nothing. Then I did it again and heard the fan shut off inside so I tried again and up it came. Also I cannot wake my Mac up unless I press the power button. I used to press any key on the keyboard or move the mouse and it would wake up, but now that doens't work. I don't know if this could be a reason, but my mother has a horrible habit of unplugging it when it storms. It's always asleep and I've told her not to do that and to make sure it's turned off before ripping the cord from the wall. But she continues to do it when it storms.

Info:
iMac

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Intel Mac :: Put Sleep Still Hear The Fan And The HD Working?

May 14, 2012

When i put my iMac to sleep i can still hear the fan and the HD working though the screen goes black.

Info:
iMac, Mac OS X (10.6.7)

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Intel Mac :: Won't Wake From Sleep Mode

May 28, 2012

Computer would only start after sleep mode if I unplugged the power cord. The power button would not do anything, even if I held it for a long time.

Shut down and start up would work normally. Only effected sleep mode.

After much trouble shooting I found that I had a bad USB hub. Everything on the bad USB hub would work fine so I didn't suspect it.

Info:
iMac, Windows 7

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Intel Mac :: It Goes Into A Deep Sleep And Cannot Be Woken Up

May 29, 2012

My Intel iMac goes into a deep sleep and can not be awakened; I need to hold the start button in to force it to shut down and then restart it.

Info:iMac, Mac OS X (10.7.4)

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Intel Mac :: Waking From Sleep With EHC1?

Jul 1, 2012

Below is what console is giving me about my iMac waking. Does anyone know what it means and what I can do to fix it?

7/1/12 4:54:06.104 AM PleaseSleep: Checking sleep conditions...
7/1/12 4:54:06.104 AM PleaseSleep: Going to sleep...
7/1/12 4:54:06.110 AM [0x0-0x13013].com.dragonone.PleaseSleep: Sleeping now...
7/1/12 4:54:06.324 AM PleaseSleep: Sleep notification received from the system
7/1/12 4:54:06.418 AM powerd: PMScheduleWakeEventChooseBest: m=0.00 s=0.00 a=0.00

[Code]...

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Intel Mac :: Power Off Or 'Sleep Mode'?

Jul 1, 2012

Is it best to turn off my 27" i7 processor iMac or put it into sleep mode when it's not in use? ie sleep or leave the house. Also the fan has just turned on, never heard it before. I am watching a video whilst converting another into mp4 format. Is that why? 

Info:
iMac, Mac OS X (10.7.4)

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Intel Mac :: Shut Itself Down In Sleep Mode?

Jul 2, 2012

My iMac shut itself down last night while in sleep mode.  It's rarely ever turned off.  I cannot get it started today. I'm not the most tech saavy person but can follow instructions if someone could walk me through it.   

Purchased in 2006 and has worked well until now.  AppleCare has expired.

Info:
iMac (20-inch Late 2006)

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Intel Mac :: Shutting Down In Sleep Mode?

Jul 4, 2012

My iMac keeps shutting down in after about an hour in sleep mode.  I have to press the power button to turn back on.  Energy saver settings are still default settings.  I'm running osx 10.7.4. 

Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.4)

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