OS X :: Imac G5 Startup / Shutdown
Dec 3, 2009
It's been having trouble shutting down when it's gone unused. Then it won't turn on unless I turn the surge protector off and back on. (I thought it was tied to my backup drive being on, but now I just turn it on when I need it) Even then it doesn't start up automatically, I have to push it a few times. Just now when I held down the start up button it made a loud whooshing sound, started up, maintained the sound for awhile and then normal but I still hear it running louder than usual. I dread it may not start up again one of these times. Side issue, maybe unrelated but firefox is driving me crazy with proxy issues, aol mail issues, and just now I couldn't post in this forum it was "forbidden" when I hit submit. so I used Safari instead and found my post was actually posted.
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Apr 15, 2012
My iMac 27 late 2010 does not shut down when shut down in the normal way. I have to shut down with the push button. I have tried disconnecting all the usb connected hardware still no use. Can any body help.I have OS Lion 10.7.3?
Info:
iMac, Mac OS X (10.7.3)
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Aug 30, 2009
I'm just setting up a Mac Mini for a friend and on power-on/start-up and also on shutdown I'm getting white text on a black screen which is obviously some kind of start-up log. I've had a fair few macs but have never seen this and certainly wouldn't expect it 'out of the box'.
What exactly is it and how do I stop it from happening ever?
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Mar 12, 2012
My MacBook is three years old. Lately it has been slow starting up and shuting down with no peripherals connected, so flustering t to the point I have to do a forced shutdown (by holding the power button down). Anybody have esimilar experience and might now how to spped it up
Info:
MacBook, Mac OS X (10.7.3)
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Jun 23, 2014
I have got a problem with my brand new Mac Pro. It randomly freezes at start-up and shutdown. I sometimes am able to work around the problem by turning on the monitors last or switching them off first but it does not always work and is a pain anyway. While waiting for Apple or another manufacturer to release a decently priced 4k display, I am using 2 HP 24' monitors inherited from my previous desktop.
One is connected via an HDMI cable (HP2405) and the other via a thunderbolt to HDMI cable with a DVI adapter (HP2448).Would I be better of using a Thunderbolt connection for both displays ? Or any other connection?
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May 6, 2010
During start up I get the apple logo and everything boots although it takes forever, the apple logo goes away screen goes blue, and sometimes it loads to the login screen about 10 mins later, and sometimes it just sits there. - During restart, it shuts down makes all the appropriate sounds, screen goes dark, and all you hear is a residual humming from the inside under the keyboard, and then never restarts. (You have to force shutdown) - Same story as above with both shutdown, and sleep.
The only way to get it to load successfully is in safe mode, but even then it still wont do the above problem correctly, it just at least starts.
- Resetting the PRAM, Holding power button for 5 seconds until repeating flashes, I've tried reinstalling snow leopard 5 times, I've checked for updates, I've repaired disk permissions, I've repaired the disk, I've even tried stepping the OSX back down to 10.3(The original operating software for this MB)
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Feb 19, 2012
A few months ago, I bought a macbook pro and it was doing fine. But recently, every time it starts, a blue screen appears for a split second then it goes to log- in. Then, every time I shutdown, it will also show up for a split second then shutdown. It doesn't affect the computer but I'm just wondering how to stop it.
Info:MacBookPro, Mac OS X (10.7.3), blue screen
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Jun 25, 2014
I was watching Netflix two days ago when all of a sudden the image froze (the audio continued). I figured my internet was slow or something and waited a little for the image to keep moving, but nothing happened only the audio kept going. I tried to press esc to exit full screen mode, but nothing happened, I pressed more keys, still no reaction, even the audio and screen brightness keys didn't work. So I held the power button to do a force shut down.
After a couple of minutes, I pressed the power button again, startup sound played, then the white screen with the apple logo and loading gear appeared together with a grey loading bar. I figured that meant it had to repair something and waited. After two minutes it just shut off. I decided to leave it closed for the night. The exact same thing happened last night and tonight as well.
I have a MacBook Pro, I think its from 2010, with iOS Maverick installed. I also have MacKeeper on there, which I just read is apparently not a good thing. I tried finding an answer in the discussion forums, but I could only find that you should do a safe boot, which is supposed to make the grey loading bar appear, but that already showed up before and even when I tried holding down the shift key, the same thing happened.
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Feb 19, 2012
I forgot to switch on the power socket at the wall so when I came back it had powered off. When I switched it back on it showed the last screen visible before sleep mode kicked in and then showed the apple logo with a progress bar underneath. The progress bar starts to move slowly but after about a minute starts again. It slowly starts to move again but stops after about two minutes and the macbook powers off.
Info:
MacBook Pro, snow leopard
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Mar 16, 2012
I am backing up now and realize I should reinstall the system but do I have to erase everything off the computer ?
Info:
MacBook Pro, Mac OS X (10.6.8)
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May 13, 2012
I cant seem to make it shut down completely or re-start, it seems to be in sleep mode and wont wake up. When I try and restart it makes a sound like its trying to eject a disc (there is nothing in the cd drive).
Info:
MacBook Pro (15-inch Early 2008)
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Jun 26, 2012
when i shutdown my imac (intel) it goes to the white screen with timer but does not switch off.why is this and what can i do to get it back to when it was new. also i have just removed kaspersky antivirus from this system.
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.4)
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Jan 1, 2010
New owner of iMac 24" 2.8 since last March. Just recently I have noticed that when I take off for a few days, I shutdown the iMac and when I return home a few days later and hit the power button the iMac is already on in sleep mode. The only change I have made recently was to add Time Machine on a Guardian Maximus 1TB raid drive, but I usually power off that drive when I leave. I've checked and searched here and in the Apple discussions with no luck. Does anyone have any idea what might be happening?
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Jun 6, 2012
When I shutdown my iMac, then will loading the grey screen.Sometimes, it can shutdown normally, but once I turned on the iMac over than 3 hours.It will hang on the grey screen. I need to press the power button 10 seconds turn it off.I just installed winebottle and diablo recently and I deleted these softwares.but problem still here, I copy the log that I turned off a few minutes ago...Method selectedRowEnumerator in class TransparentTableView is deprecated. It will be removed in a future release and should no longer be used. [code]
Info:
iMac (21.5-inch Mid 2011), iOS 1.x
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Jun 1, 2014
After a full shutting down the computer we needed to get back on, so on restart it came up to the usual 2 user options, mine and guest.
After selecting mine and entering my password the little Ferris wheel spins as usual but then the coloured pin wheel come up and spins for about 2seconds. The screen then flashes white and it goes back to selecting between the 2 users.
I did a Command R restart and went in to Utilities and changed my password (although I was entering it in correctly before) and no change.
I am running the latest updated version of Mavericks and have unplugged all peripheral hardware from the computer, followed by a restart and no change.
I've even left the computer shut down for 2 days and on our return still the same.
Info:
iMac, iOS 7.1.1
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Mar 31, 2009
I am having some problems with this computer. Suddenly shuts itself off I have had trouble turning it back on. At times I try unplugging the power cord (both ways), and any peripherals (USB, Firewire). Sometimes it works and other times no. I pretty much have to play around with it - but right now I can't turn it back on! In case some are wondering, it is running Tiger, 1 GB of RAM, and I keep it running pretty much around the clock.
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Sep 26, 2006
It's a G5 20" 2.0ghz machine and is 15 months old approx. He was running something or other, nothing very taxing, when the computer unexpectedly shut down. He restarted it and within a few mins it shutdown again. He restarted it again and used it fine for a couple of hours, shut it down and went to bed. Came to it the next day and nothing. No noise, no lights, nothing. He dropped it off at a local authorised dealer and they thought it was either going to be the power supply (�100 to fix) or the main board (�600 to fix). Sure enough he got the call and it's the logic board thats gone. He doesnt have applecare unfortunately but decided to try his luck and contact apple anyway. Needless to say, they weren't in the least interested and told him he'd either have to foot the bill or toss the machine in the bin. �600 to fix one of these is appauling and more than the machine itself is worth but the options are limited. Has anyone else experienced anything like this and if so are there places to get the machines fixed cheaper? I know this goes to show that it's a good idea to stump up the extra cash initially for applecare but �1200 (the price when new) seems pretty bad for 15 months computing and has really put me off recommending iMacs to anyone else. The days when I can construct my own computer with my own components and run OS X on it, and repair it myself cant come soon enough if this is how it's going.
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Nov 22, 2006
My imac intel has recently started to play up. Everytime I try to shutdown it gets stuck at teh blue screen with a spinning circle.
Has anyone else seen this.
latest apps that i have, but not running, is parallels. I also used Boot camp to partion my hard disk but did not install the os. so have a partion with nothing on it.
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Sep 26, 2009
So...basically what is going on is that after a while, depends on how hard my computer wants to run and make itself hot, it will completely shut down. . .not sleep, power off.
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Nov 22, 2009
I was watching a movie on my iMac and this box popped up telling me to hard shutdown and restart my computer. Now I can't get it to turn on. When I press power it makes the start noise but the screen stays white. The apple doesn't pop up and it won't load. Trying to put in disks that came with my computer don't seem to work either.
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Nov 24, 2009
I've been looking around on a few forums, and I've tried to reset PMU, hold the programmer key, take out battery let it be, external screen,... None of it worked for me. I have tried to install Os X Jaguar without upgrading firmware, so it told me that it needed to upgrade. But I can't do that since it doesn't boot anymore. I tried disconnecting the harddrive and boot it without it, it still turns off. [URl]
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May 4, 2012
I create a wi-fi network to use computer to computer. When I shutdown the IMAC the network disappears. When I go to ctreate again all the info is there for the network I created, but the network does not appear. If I name it again I can use it but then again it disappears when IMAC is shutdown. Is there anyway to save it? I have ude the apply button and reclosed the lock, but same results.
Info:
iMac, Mac OS X (10.7)
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May 18, 2012
I updated my iMac with 10.7.4 and now when I have been working on it it won't shut down. I thought it was only when I was using Photoshop and contacted Apple who told me to reinstall Photoshop but it made no difference but now it happens with all programs I am using.
Info:
iMAC, Mac OS X (10.5.1), 24-inch 2.8GHz Intel Core 2 Extreme
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Jun 3, 2012
I read alot of the overheat problems on IMac and tried most of the solution presented here.after i bought and installed the istat menus, i have noticed that it get overheated and get 120c very quickly only when i watch video through browsers, i can watch 5 bluray movies in a raw and it wont pass the 80c but 2 minutes in youtube and it burns, it must say something about the problem..
Info:
iMac, Mac OS X (10.5.8)
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Sep 8, 2006
My system has randomly shut down twice now in the last two days. Dual G5 2.3. I checked the console log, which I know very little about, and it said this:
localhost kernel[0]: ApplePMU::PMU forced shutdown, cause = -122
Two questions-
what's the -122 code mean?
Do you think resetting the PMU would be the solution to this?
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May 6, 2010
whenever i try to shut down, microsoft messenger keeps signing me in and i cant close that program.
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Sep 1, 2014
I use sleep from Apple pulldown menu; after a while the computer wakes up, after a few minutes it shuts down. New iMac, 10.9.
Info:
iMac (27-inch, Late 2013), OS X Mavericks (10.9.4)
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Mar 26, 2008
When ever I turn off my iMac (AL mid-2007 running 10.5) it seems like it hangs during shutdown. It takes about 60 seconds to shutdown and after about 30 seconds it starts to show. It looks like this, except it still shows my wallpaper... (This is just an image I found on the web). I am not sure why it is taking so long to shutdown lately... I don't remember it taking nearly this long in the past. Here is a photo of everything that is running during shutdown and it still does it. (I usually try to close out of apps before shutting down).
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Jun 4, 2014
Usually when I shut down the system using the software "shut down" command, the system shuts down. Lately, I have had to use the shut down button which resuts in an improper shut down when I restart the computer. So, there is a software glitch. Is there anyway to correct this?
Info:
iMac (24-inch), iOS 7.1.1
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Jul 5, 2012
My mac is suddenly very slow . I have been just putting it to sleep. I decided to shut it down, but Safari won't quit. When I go to File, the "Quit Safari" is greyed out. I also tried "Command Z" but that doesn't work either.
Info:
iMac, Mac OS X (10.7.4)
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