IMac Freezes When Do A Shut Down

Mar 23, 2012

My iMac won't shut down completely any more.It gets to a white screen and then freezes, and I have to hold down the power button to get it to shut down.I have also been getting intermittent kernel panics, maybe one every 3 or 4 days.I went through all of the troubleshooting steps to try and figure out the cause, with no luck.Did a new install of Lion and everything seemed OK for a few days, and then started having problems with programs not responding, not being able to shut down, and now getting kernel panics again.Considering completly formatting the drive and starting fresh with everything, but not sure if that would solve the problem either.

Info:
iMac, Mac OS X (10.7.3)

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OS X :: Imac Freezes On Shut Down

Aug 6, 2010

i have an imac with 500gb hdd 3.06 ghz and 4gb ram, im running os x 10.6.4 snow leopard. every time i go to shut down the whole computer freezes i cant click anything, all i see is the wallpaper and nothing is running when i click shut down.

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OS X :: ISight Light Won't Turn Off And IMac Freezes At Shut Down?

Jan 7, 2011

tonight I started having trouble with my intel iMac (running OSX 10.4.11). I'm having issues with two things (bolded for those skimming):

Out of seemingly nowhere, my iSight light turned on and now wont turn off. The only program I had open at the time was Firefox. When I try to open up PhotoBooth it says this:

There's nothing listed under USB High-Speed Bus in the system profiler either.

I've tried logging out of my user account, restarting, shutting down, unplugging and holding the back button for 5 seconds ...none of that worked. I tried resetting my Mac's PRAM and NVRAM. That didn't work either, and that's where a second problem appeared: when I try to shut my computer off, it freezes. I have to shut it off by holding the back button.

Is repairing the permissions and/or disk worth a shot? Or should I just take it straight into the Apple store? I hope it's not a hardware issue because I just recently had a new hard-drive installed after it broke down on December 15.

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MacBook :: It Freezes When Trying To Shut It Down?

Mar 21, 2012

I own a macbook with Mac OS X Lion 10.7.3 (11D50b) operating system.  The problem with my macbook is that when i shut it down freezes before it turns off. In order to fix the problem i repaired th disk permissions and i reinstalled the operating system but the same thing happens all the time.

Info:
MacBook Pro (15-inch Early 2011), Mac OS X (10.7.3)

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OS X :: Screen Pixelates / Freezes Then Must Shut Down?

Apr 6, 2010

I have a iMac G5 that I bought right when they came out, so in 2004 I think. Its a 1.8 GHz PowerPC G5, 2 GB DDR SDRAM (which I just upgraded to about 1 year ago), and I am running Version 10.4.11.

I have about 10GB of memory open, the rest is full, so I am aware I need to free up more space, just on the fence about how to do it.

So, the problem is today I turned it on, opened Safari and was playing on Facebook, I had it open maybe 5 mins when the screen started to pixelate but first I thought Facebook was just being weird again, when it started happening to the whole screen. Then I moved the mouse to shut down Safari and a block of yellow and black started filling the screen and thats when I manually shut it down. This has happened before, maybe in 2006 and I had to get it fixed, but I do not recall what was wrong with it.

Any ideas? I haven't opened Safari again because I don't want my computer to crash. I absolutely love this thing and while I do have some things backed up, I'm storing lots of important things on here. Is it time I just bought a new computer or should I buy an ext hard drive and maybe this is just a storage issue, or do I need to take it somewhere?

I'm just wondering if, because its about 6 years old now, if its worth to pay to get anything fixed? But I just upgraded everything about a year ago when I bought more RAM. If I were to get a new computer, can I take this RAM out of here and put it in the new one? Or would that all be wasted?

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Mac Pro :: Freezes While Installing Lion - How To Shut It Down

Apr 9, 2012

I'm frozen trying to install lion so I want to shut down. How do I?

Info:
Mac OS X (10.6.8)

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Intel Mac :: It Freezes Everytime I Unplug An Apple Usb Cord When I Shut Down

Apr 12, 2012

I dont get it, the usb cord that I am using is an apple product. Everytime I plug my iphone to transfer music, upgrade, and such to my imac and then when I shut down my imac it freezes? I have a leopard latest version 10.6.8.

Info:iMac, Mac OS X (10.6.8)

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IMac :: IMac Freezes When Connecting External Monitor?

Apr 8, 2008

I have a newer iMac 24" bought in 11/2007. I have the mini-dvi to vga converter and when I connect it to a external tv capable of 1024x768, the iMac freezes and does nothing. I disconnect and the screen turns blue and the flickers back on and everything works. I have made the connection then booted up, and I have tried every resolution all the way down to 640x480, same thing it just locks up the screen, but again as soon as I unplug the mini-dvi to vga cable from the iMac it flicks to a blue screen and everything comes back. I have reviewed dmesg nothing, and revieiw /var/log/messages. Is there any troubleshooting I can do. I am old school unix/linux guy just converted my family to Apple and would like to use the display on my tv to watch my iTunes movies.

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OS X :: Cannot Shut Down IMac

Jan 26, 2010

I was unsure where to post this as it could be either OSX or hardware that is the problem. I am currently unable to shutdown my 2008 Alu iMac. Everytime I shut it down, it restarts instead.

After a little bit of searching the forums/google, I understand that this may be something to do with a driver or application that is refusing to close properly - but have no idea how to try and identify what may be causing it.

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OS X :: IMac Won't Auto Shut Down?

Feb 13, 2009

I have my iMac scheduled to shut down everyday at 12:30 am. Sometimes it will shut down and sometimes it won't. I've only had my iMac for about a month, but am I missing something here? Why won't it shut down automatically.

I had it scheduled to shut down at 12:30am, and I was already asleep. I woke up about 3am to get a glass of water and I checked my iMac and I was able to wake it up. What am I doing wrong, why won't it auto shut down?

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PowerPC :: IMac G5 Intermittent Shut Down?

Nov 13, 2006

I have one of the 20" iMac G5's covered by the warranty extension for the intermittent shutdown problem. The problem is that I am out of the country, and where I am has very unreliable Apple service. It would be gone for weeks and weeks. I am considering flying back home to get my computer repaired. The computer shuts down multiple times a day without warning.

What are the chances I can find an AASP in the DC area who can do the repair in a day or two. I have read that the repair is only a power supply swap and can be done in 15 minutes. What do y'all think?

My other option is to just buy a new computer and worry about repairing this one in a year or two, which is a $2,000 hassle.

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IMac :: Option To Shut Off The Screen?

Nov 17, 2009

I know this has been discussed before, but I cannot stand that there is no option to shut off the screen. I know the Shift-ctrl-eject (not sure if I got this right, I'm at work now) works to turn off the screen, but I'm facing another issue.

At night, I frequently record shows on Eye-TV and export them to iPhone, so I can watch them during the morning commute. When the show begins, iMac's screen wakes up. When the export to iTunes begins, the screen wakes up. I tried few utilities where the brightness dims 100%, but it's not the same as turning it completely off.

Has anyone found a solution where you can turn off the display completely? Since my iMac is in my bedroom, this is a huge problem for me. I miss my Mac Mini....

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OS X :: Programs Keep Hanging And Imac Won't Shut Down?

Feb 2, 2010

My Intel-based imac keeps hanging my programs like Word and Excel, Chrome, Firefox, etc. I force quit, then try to re-start, but get spinning wheel. I try to shut down and desktop clears, but won't actually shut down unless I push the button. It's doing it every day, almost every time I go to use any of my core programs.

I got a RAM upgrade, and an OWC Mercury Elite Pro HD to take the back ups.

Oh - I also record a moderate amount of music in Garage Band - could this be clogging up everything?

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OS X V10.7 Lion :: Can't Get IMac To Shut Down Without Turning It Off

May 4, 2012

Whenever I need to shut my computer down from the apple menu it hangs. It does the same thing whenever I try to restart it. It's annoying. The only way I can get results is to physically shut it off.

Info:
iMac, Mac OS X (10.7.2), 3.06 Ghz Intel Core Duo

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OS X V10.7 Lion :: Imac Running 10.7.3 Won't Shut Down?

Jun 3, 2012

I have a new imac 3.4ghz - i7 with 16gbs ram that won't shut down unless I hold in the power button. I checked the Console logs but that did not give me any indication of what might be hanging it up. I also, have a Macbook Pro running 10.6.8 and it has no trouble powering down.  

I am running AVID Symphony which is not qualified for 10.7.4 yet so I am not going to do the update yet.  

Info:
iMac, Mac OS X (10.7.3)

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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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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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IMac :: No Shut Down / Restart Or Logout Users

Nov 12, 2010

I often have an issue where my iMac won't shut down, restart or logout users. Basically, when I click Shut Down or Restart, the desktop icons disappear as if the computer's getting ready to shut down (the desktop wallpaper remains) and it just sits there and won't shut down. I have to hold down the power button on the back of the computer in order to get the computer to shut off. This often happens when I try to logout a user. I'd say this happens about 2/3 to 3/4 of my attempts to shut down or logout a user.

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OS X :: IMac 10.5.7 - Frozen On Restart - Forced Shut Down

May 13, 2009

I downloaded Mac OS X 10.5.7 from the Apple website rather than using Software Update only to save time. I used Software Update to get 10.5.7 on my MacBook Pro and it took 35 minutes to download the package. Using the Apple website for my iMac, the download took about 15 minutes.

I then began the installation of 10.5.7 on the iMac. Everything went fine until it was time to restart. The computer froze on restart. I had to hold down the power button to turn off the iMac. Then I started it up and it began to load for quite a while (normal after an update). Then I logged in and went to "About This Mac" and it read that I had Mac OS X 10.5.7.

Obviously, this is an unorthodox way of updating. But am I safe with this method? Was it just a minor glitch?

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PowerPC :: Ambient Light G5 2.0 Imac Shut Off?

Oct 28, 2009

So I've done all I can find on the internet on helping my broken computer. It used to have the noisy fan issue and then it would shut off. Now after being off for 12 hours, it may shut off in 2 minutes, maybe in 30. I have reset the SMU by unplugging for 10 seconds and then plugging in while simultaneously holding the power button, then turning it on. Ive also reset the PRAM, but it still seems to shut off. Is it a bad power supply? I dont ever hear the fans blowing hard anymore.

If anyone has basic things to do, I'm all ears. I know last step is probably just reinstall OSX.

I'm on 10.4 right now.

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IMac :: Waking From Sleep Or Restarting After Shut Down

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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Mar 25, 2012

Is this an indication that some hardware item is needing replacing? After a shut-down I'm having to keep the power button depressed for probably up to a minute before the system comes to life.

Info:
iMac, Mac OS X (10.7.3)

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OS X V10.7 Lion :: Can Never Exit Mail So Cannot Shut Down IMac

Jun 8, 2012

I can never exit mail and then I can't shut my computer. Then I have to press the button in the back of the imac but when I turn it back on mail is still on.

Info:
iMac, Mac OS X (10.7.4)

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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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IMac :: Won't Shut Down Mail Program / Can't Find Settings

Dec 16, 2010

I recently bought an iMac and I have noticed within the past week that I have had to force the mail program to shut down. Otherwise if I don't force the mail program to shut down the OS will not let me put the iMac to sleep or to shut down.

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IMac :: My Computer Made The Shut Down Noise - How Can I Stop It?

Jan 30, 2009

I was just in my room minding my own business and I heard my iMac "shut down" but nothing happened, and I'm still able to use it like normal as I type this message.It seemed to quiet down my fans though, they are still running but much quieter so I guess in a way its a good thing.I'm just curious as to what happened here.

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IMac :: When Click Shut Down It Just Shuts Down The Whole Computer Not Get To Desktop?

Jun 5, 2009

start up the computer and all is fine it is really cool how you dont see the black screen or anything it is all smooth looking with the setup boxes but when it gets to where you should have the normal desktop this wierd program comes up instead. i cant see the start button or my computer or anything it is like some kind of other program on top of it that i cant quit. i have tried everything but when i click shut down it just shuts down the whole computer not getting me to my desktop.

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Mar 29, 2012

I have an iMac 1st Gen i5 Quad-Core with two user accounts and since the 10.7.3 update I cannot get the computer to restart or shutdown properly. It seems to happen when both users have been signed on. I log out on both accounts, shutdown (or restart) and it still hangs up. If I use just one account, it's hit and miss. No applications are hanging in the force quit menu.

Info:iMac, Mac OS X (10.7.3)

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IMac (Intel) :: Can't Restart Or Shut Down From Apple Menu

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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IMac (Intel) :: Email Is Not Visible And Can't Shut Down Mail App

Jun 2, 2014

My email is not visible and I cannot shut down the mail app

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