Desktops :: Intel Imac Will Not Sleep Or Shut Down?
Apr 8, 2010
I have an Intel Imac G5 2.66 gHz 2 core duo running 10.6.3. I am unable to get it shut down or sleep. Choosing either results in the display blacking out, the fans run for about 1 second and then everything come back on as if nothing has happened. I've reset the Pram and Vram, disconnected all USB and Firewire devices, tried it with and without file sharing and Airport operating. A 'hard' shutdown with the power button works fine. I have checked for any firmware updates but mine is fine. This happened once before and clearing out some files from deleted apps cured the problem but it's back now.
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Sep 9, 2009
Just after my warranty expired I developed what I suspect will be an expensive problem. Upon awakening from sleep my computer cannot recognize the internal HD. I total freeze. If I power down & reboot everything works. If I boot the computer from an external HD clone of my internal HD a can put the computer to sleep and wake up without a problem EXCEPT:When I do this the computer removes the internal HD icon from the desktop and Iget a dialog box informing me that the internal HD was improperly disconnected.
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Dec 4, 2009
For the past few months i've been having issues with my imac 2.66Ghz 24 inch. I'd say almost half the time when i put my imac to sleep it doesnt wake up no matter how many keys i press and it just stays stuck on a black screen. I know that when you put the computer to sleep you hear absolutely no noise however in this case i hear a slight fan noise despite it 'sleeping'. When this happens i always have to use the on/off button to do a reset. What seems to be the issue here??
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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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Nov 15, 2009
My 24in iMac is waking from sleep after about 5 seconds every time, as well as restarting itself after I shut down. This problem started early yesterday evening, and so I did the usual: resetting the SMC/PRAM/NVRAM with no luck. I checked console for messages and found lots of references to imagneto_user_agent (I'd installed iMagneto shortly before and then deleted it as it didn't seem to be working properly). With some help from another user I managed to delete all the hidden/locked folders and files connected with this app using a combination of Trash It and fiddling in Terminal.
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Nov 6, 2009
I used to have a wireless Logitech mouse that drained batteries if you didn't turn it off manually every time you finished using it. So I'm wondering about the Magic Mouse...
1. Does the Magic Mouse automatically shut off when the iMac goes to sleep or is turned off?
2. If I leave the Magic Mouse on (while the computer is off) will it drain the batteries?
3. What do you recommend is best for the batteries and mouse? Should I turn it off every time I go out for the day?
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Dec 7, 2014
iMac 27 locking up after sleep mode requiring full power shut down and rebooting in safe mode then shutting down and rebooting normally.. Permissions and this check show no errors, the only error sleep mode failure. Boot up is very slow as well as wake up when possible is slow. Yosemite seems to need a new release in order to correct the boot problems. System operates more like a Windows machine than Apple machine what's going on?
Info:
iMac, OS X Yosemite (10.10.1)
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Nov 27, 2009
I am using Mac 0S X Leopard, mac mini and facing the following problem:
1) System is taking too long time(10 - 15 min ) for start up and shut down.
2) It is asking every time to set up the current time as and when the system starts every time.
3) When accesing the system preferences , it gets crashed when using index Spotlight.
4) Finder gets relaunched itself for every 60-90 seconds when accessing folder Applications or Utilities etc..
5) The Spotlight is indexing itself, When i tried to stop the indexing of the spotlight using system preference, it gets crashed.
My system got its logic board replaced by the apple once.
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Jan 16, 2011
The machine is in a very cold area, was on for about 10 to 15 minutes before it just shutdown (like the plug was pulled) I checked the powercord by using another , same problem. I try to push the power button but nothing happens.
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Jun 4, 2014
safari does not allow shut down why.? I get a tab that says to quite safari and i do, but it still does not allow it to shut down why.?
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Jun 3, 2014
How do I log in after a shut down when I forgot the password
Info:
iMac, iOS 6
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Dec 11, 2014
I can't restart or shut down my mac from the Apple menu
Info:
iPhoto '11, OS X Mavericks (10.9.1)
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Jun 2, 2014
My email is not visible and I cannot shut down the mail app
Info:
iMac (21.5-inch, Late 2013)
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Aug 27, 2014
My iMac runs perfectly fine; more or less as it did when it was new. In OS X, when I shut down the computer, the fan runs at full speed indefinitely, unless I unplug it or boot back up. When running, the fan is perfectly normal (increases speed a bit when doing something taxing). I've never heard it at full speed before until this started happening. After following the SMC reset procedure with no luck (I'd like to add that the SMC reset only says it relates to fan problems when the computer is ON), I searched a bit and noticed there are one or two cases where a problem like mine was believed to be a motherboard issue, and therefore a costly fix.
However, here's the fun part. When booted into Windows 8.1, shutting down the iMac does not cause this issue to occur. It stays silent, as it should, even if I disconnect then reconnect the power. This leads me to believe it's unlikely to be a motherboard issue. However I've wiped, restored, and reinstalled fresh copies of Mountain Lion, Mavericks, and Windows 8.1, and the result is still the same: if I don't want to have to unplug it from the wall, then I have to use Windows to shut it down.
So then, my questions are these:
-What is the difference between shutting down from OS X and shutting down from Windows?
-Is an operating system allowed/able to touch BIOS settings?
-Is it possible to still be a hardware problem, given this difference?
My default OS is OS X, and it makes no difference if I change that to Windows. I also did a PRAM reset, even though that has nothing to do with fans...
Info:
iMac, OS X Mavericks (10.9.4)
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Dec 7, 2014
My mac is 6 months old has the latest OS. When I leave it playing music either in Itunes or on u tube. It shuts down to login after 15 minutes. If I am using it it does not. I have disabled all energy saving options and all "never shut down" options selected. But everytime I leave it religiously shuts down after 15 minutes.
Info:
iMac, OS X Mavericks (10.9.3)
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Sep 10, 2014
How to keep the Brightness meter icon from appearing on your screen?
Model Name: iMac Model Identifier: iMac12,2 Processor Name: Intel Core i5 Processor Speed: 3.1 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB L3 Cache: 6 MB Memory: 16 GB Boot ROM Version: IM121.0047.B1F SMC Version (system): 1.72f2 iMac (27-inch Mid 2011), OS X Mavericks (10.9.4)
Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.4)
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Oct 31, 2007
Just recently (this night,) whenever I would unplug my main USB hub, my iMac (Late 2006) would turn off (that is, instantly shut down as if the power had been disconnected). I don't know why this happened, but it turned on immediately afterward so I shrugged it off. The last time this happened, (the 4th time,) the iMac wouldn't turn back on at all.
It responds to power button presses, and you can hear the harddrive spinning up and the CD drive whirring and fans spinning. The sleep light in front stays on, but the display stays black, and it doesn't make the characteristic chime when it "turns on". In addition, it doesn't seem to be delivering power to USB devices, so there's no way that I can boot up from a startup disc or anything to see what's going on.
What do you guys think could be wrong with my computer? I doubt my non-existant applecare would cover anything of this sort, and I'm pretty sure that i'm SOL for hopes of a computer that just works. In addition, one other question. I was working on a VERY important school assignment at the time, (cliche, I know,) so is there any way I can connect another computer to my iMac so I can get my school assignment off of it?
Information:
G5 Intel iMac (Late 2006)
Mac OS X (10.6.4)
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Aug 28, 2014
I have a Imac. I can't shut down or restart. It keeps giving me a pop up "Photos are being imported to the photo library". I can't even quit iPhoto.
Info:
iMac, iOS 7.1.2
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Jun 19, 2008
I have a 20" intel-based dual core Mac which i have had for about since early 2006, i haven't had any big issues with it until a few days ago when it suddenly shut itself down and refused to power back up. I ran through the checklist that Apple Support provides, including resetting the SMC by unplugging everything and waiting 15 seconds or so but none of it worked. Eventually I just left the power cord unplugged overnight and in the morning I plugged it back in.
After having the power cord plugged in for a few hours and the machine turned off, i tried pressing the power button again and to my amazement it powered back on! Immediately i ran the TechTool Deluxe software that came with my extended protection plan (now expired) and everything was fine. Later that night however, I had left my computer on for a few hours before returning to it and realizing it had shut itself off again. Now I am back to where I started, going through the checklist provided by Apple and am really starting to get concerned. Does anyone know of anything else I can do, short of taking it in to an Apple store? Or is something needed to be replaced?
Information:
IMAC-Intel (Early 2006)
Mac OS X (10.4.11)
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Dec 6, 2009
I have a new 27" iMac running 10.6.2. When trying to put it to sleep using the Apple menu, it will take a long time to react, then the screen will go blank for about 5 seconds, then it comes back to life. Same thing using key combination (option-command-eject). Energy Saver savings are on default.
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Aug 10, 2010
I'm sure this is do-able as someone's mentioned it; Can you set a MBP so that it doesn't go to sleep when the lid's shut and it's connected to an external display? Got meself a Mini-DP to VGA adapter yesterday but it's off-putting watching streamed TV with the mac open next to it!
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Jul 27, 2006
my friend owns a MacBook Pro and he has been having troubles with his new computer. He loves it all in all, but finds it frustrating that he can't turn the screen off without putting the computer to sleep. He says it's cause he wants his Adium away message to stay up for his friends, but can't find a way to do so, everyone I've asked has no clue.
Has Apple made a way to do this? Or is it this, as of now, cannot be done?
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Jul 31, 2010
Someone please explain me in detail when it's best to put a MBP to sleep and when to shut it down.
Personally, I shut down every night and boot it the next morning.
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Jun 16, 2012
I had some weird issue with my MBP last night. I let it running when I went to sleep so it could finish a download for me. The battery was fully charged, and I've done it in the past, and MBP would just go to stand by after it finished the download. But this time when I woke up it was turned off completey. I thought it was the battery, so I connected it to power to charge it again, and all of a sudden my MBP turned back on without me pushing any buttons or so. I than had to sign on again and when I checked the battery it wasn't empty, so MBP should have gone to sleep instead of shutting down.
After I signed on I was told that date and time had been set back to the original settings and I had troubles connecting to the internet. When it finally worked again after about 45 minutes I was asked to allow configd and mDNSresponder access, that also never happened before...
Is there anyone who could explain to me what happened or what might have caused this?
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Jan 8, 2011
Just wondering as I've heard a few people just let them sleep I always shut mine down?
MacBook Pro 13"
iPad 32GB 3G
iPhone 4
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Nov 14, 2008
Could someone please explain to me why my computer is shutting down in sleep-mode. In addition, when it happens, the fan goes into hyperblow, which doesn't make sense because it would not be operating if the system were completely shut down. It acts like it is shut down but won't respond or wake up, etc. I re-loaded my system software per the Mac Store Genius' advice, but that didn't work. Is it possible that my power supply is going?
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May 21, 2012
When i shut my computers lid it doesnt go into sleep mode. Every few seconds the fan would start up, and a few hour after i shut the lid when i open it the computer is still warm. I need to know if this is normal, if it can be adjusted, or if something is wrong with my Macbook Pro?
Info:
MacBook Pro (15-inch Late 2011)
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Aug 25, 2010
Coming from Windows sometimes I hibernate the laptop but I have heard alot of people say with Mac's that they just put them to sleep. Firstly do you just do this for short periods as such as overnight? Also can your carry them around whilst on sleep or should they be shut down.
MBP 13"
iPad 32gb 3G
iPhone 4 16gb
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Jun 23, 2010
I just bought MBP 17 i5 model a couple days ago from a local apple store(Keystone Mall). and I calibrated my battery yesterday. The thing is I know MBP should sleep when the battery is really low(running off reserve) then when the battery drains out, MBP should do the "safesleep" thing where it stores the current state of the machine so that upon turning the machine back on by supplying the power to it or after charging, MBP returns to the stored state.
But, when i was calibrating my battery, I did get the low battery warning(reserve battery blah blah) but then it drained down to 0 then the screen flickered(literally made a flicking sound) and went dead. When I got up in the morning I plug the adapter on and turned the MBP on and MBP just freshly boots.. rather than restoring the previous state..................
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Mar 25, 2012
How come when i press the sleep on my MBP it auto shut down?
Info:
MacBook Pro, Mac OS X (10.7.3)
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