IMac (Intel) :: Shuts Down During Load Up Screen
Aug 24, 2014
I just got home and I realized the power was out. I bought this iMac literally like two months ago (I actually bought one two months ago but it wouldn't even turn on so they gave me a new one) It was working perfectly fine, and I was writing a report. I left the computer on and left the house only to return hours later with the power out, and when I turn it on it shows the start up screen with the Apple Logo, the little progress circle, and a progress bar that fills up to the end everytime but once it fills up to the end it stays there for a few minutes then the computer shuts off.
info:
iMac
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Jun 4, 2014
I have a 27 inch desktop. Upon turning the computer on within seconds the fan comes on. Then it goes to a high fan. Then it goes to a black screen. Then it shuts off. Then if you click the mouse it will come back on. This cycle repeats itself every 5 seconds. Only one time in the past month did it turn on normally and run for me.
Info:
iMac
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Jun 3, 2014
My iMac starts, takes about 10 minutes with apple logo & timer/progress bar then just switches off .. How to get it to the login screen?
Info:
iMac
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Apr 26, 2012
My 27inch iMac screen shuts off during screen saver and does not come back on unless restart machine?
Info:iMac, Mac OS X (10.7.3)
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May 25, 2009
I received my new iMac on May 20. It is a 3.06 with an ATI card. I have not had much time to use it until this evening. I had been been setting up some bookmarks in Safari and then was working on a spreadsheet for about an hour when it suddenly shut down. The power strip in which it was plugged in still had it's light on. The iMac is the only item plugged into the strip. I then felt around the screen, the bottom section was cool but the top was rather warm.
The temperature in the air conditioned house is 71�F. Programs open at the time were Safari - which was on an idle screen as I had logged out of a site. Two sessions of Finder Entourage Excel - which I was actively using. Is this an over temp shutdown? I recall some people posting the temperature of their Macs. Are there any monitors on the iMac to see how hot it is running? There were no warnings that it was going to shut down.
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Jul 7, 2009
I have a mac mini intel and I was in the middle of working with my blogs, then there was an annoying spinning wheel of death, so normally, I would hold the power button for few button to restart and I did. then when the desktop was loading, everything was back to the "new" desktop with alot of stuffs missing, so I restarted it again using the apple menu, then the startup screen took so long and out of nowhere, it shutted down by itself. I tried to power it on again and again, unplugged the cords, still didn't work.
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Jul 20, 2010
when ever i log into world of warcraft. and start playing after five minutes my screen will just shut off but the computer will still be running. maybe the video card ?
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Jun 15, 2012
iMac grey shading appears on the screen, freezes then shuts down
Info:
iMac, Mac OS X (10.7.4)
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Jun 29, 2014
Why is the harddrive shutting down by itself? I need a hard shut down and restart of the Mac then. Why is that? How to cope?
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Jun 30, 2014
When I click on my Imac to sleep, it shuts down instead...
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Jun 29, 2014
My laptop won't load up all the way. It shuts down. I have it plugged in.
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Jun 13, 2010
Something is wrong with my HDD.
I don't think it's dead but something to do with the indexing of the HDD.
I can go into target firewire mode and i am backing up my data as we speak. However I do not have a big external HDD that i can back up everything so I have to pick and choose.
I have diskwarrior but it does not boot up. It says cannot find boot hdd or something and shows a No entry sign on the grey loading screen with the spinning gear.
I tried disk utility to repair the HDD but it says it tries three times and fails. Cannot locate the index file. I think this is my main problem here.
If i try and boot in verbose mode it shows this [URL] something message and repeats that it cannot locate the file. I dont even know what this is as i've never been to this website.
Anyway I can repair the index file and see if mac os x will boot up? Or you recommend a fresh install?
I just want to boot the mac once so i can look for some files because spotlight wont work since it says its trying to index the macintosh HD from firewire.
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Apr 27, 2012
I was using Safari on my iMac, but suddenly started to go slow, with the typical multicolor ball. After this, and because i cannot do anything more with the computer i tried to restart it, but never finished the process.
Finally I restarted the computer manually, but after that appeared a folder with a "question" mark on loading screen. I tried to start the computer on Safe Mode, and was possible. Then I checked the hhd with disk utility and appears ok.Well, i tried again to restart and the computer seems to load IOs, but finaly still on a blue screen with a working wheel apearing at times.
Then i restarted again on safe mode to try to do a new backup (the computer was going well, and i was so stupid to use the backup hdd for another use) but when it's only at 200mb, more or less, time machine says that there is an error and stops.
Info:iMac, Mac OS X (10.6)
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Jul 4, 2012
I was changing my desktop screen saver. Now it says it is "Loading Images..." and won't stop. It is locked and I can't do anything.Everytime I click on my "System Preferences" -- the Desktop & Screen Saver comes up - has my old picture and states it is still loading images.
This has been going on for awhile and I can't seem to get it stop. The Colouful wheel goes around.
Info:
iMac, Screen Saver unresponsive
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May 25, 2012
I put a new hard drive into my iMac 24". I could not install OS X because every time I turned the machine on it would shut down in less than a minute at the grey screen and Apple logo - whether the disk was in the slot or not. I finally was able to install Snow Leopard via firewire from a Macbook Pro. It runs fine - but I can only access the iMac Snow Leopard installation from the Macbook Pro. When I turn on the iMac, it still shuts down every time. The new drive was formatted with the Disk Utility as an external drive - since I couldn't get to it while it was in the iMac. My Snow Leopard disk was a full version, not an upgrade.
Info:
iMac, Mac OS X (10.6.8)
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Sep 6, 2014
For the last 2 weeks my wifi connection has been playing up. I use Wifi and my iMac connects directly to my router and it works slow if at all as some pages don't load. I can get by but its frustrating using it and this problem is specific to my iMac as every other device using Wifi works fine. These devices, that work fine, include mobile phones and a MacBook Pro.
I'm using Chrome and its the same with other browsers. I usually get a "resolving host' message in the taskbar when loading pages. Sometimes pages do not load at all or they are slow to load and at times some elements like images don't appear. My OS X is 10.9.4.
Info:
iMac (21.5-inch Mid 2010), OS X Mavericks (10.9.4)
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Aug 21, 2014
My disc drive worked then all of a sudden it stop it takes the disc and then makes a noise then stops then ejects it.
Info:
iMac, OS X Mountain Lion (10.8.3)
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Sep 23, 2006
Ever since I sold it here on MR and got it back, there has been a problem with my 12" Dual USB iBook G3 500MHz's screen (lord, that's a long name). Whenever the screen is tilted back farther than 45 degrees or so, the backlight shuts off. I can open the casing and fix it if it's possible. Does anyone know what the problem with it is? I'm trying to get it fixed up and ready to sell back to my friend as his first Mac, and I'm trying to get every problem resolved
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Mar 19, 2012
I just install Lion 10.7 from scratch using a bootable DVD I made from the Install Mac OS X Install ESD Dmg found within the app. After restoring my accounts and data from a time machine backup, everything seems to work fine except for 3 preference panes within the System Preferences, (Desktop & Screen Saver, Energy Saver, and Spotlight.) I've tried reinstalling Lion over the current installation, I've tried reinstalling the latest combo update, I've trying repairing disk permissions, I've tried installing System Preferences app as well as each individual .prefpane, none of which worked. When trying to run the preference pane I get:
"Preferences Error. Could not load Desktop & Screen Saver preference pane." Replace Desktop & Screensaver part with Energy Saver and Spotlight respectively for each pane. When I run the preference pane, here is the output from the console:
3/19/12 6:13:04.765 PM System Preferences: [NSPrefPaneBundle instantiatePrefPaneObject] (/System/Library/PreferencePanes/DesktopScreenEffectsPref.prefPane): principalClass is nil.
All three give the same error, again replacing DesktopScreenEffectsPref.prefpane with the corresponding pane.
Info:
iMac, Mac OS X (10.7.3)
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May 17, 2009
My friends alu intel imac is having a problem. When he power on the machine the computer gets stuck on a blue screen.
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Jan 23, 2008
I have a dual 2 gig G5. I can run it for about 20 minutes, then it's starts to smell like something is burning. The screen fuzzes out and it shuts down. Power supply maybe? It runs fine up until the point where this burn and fuzz kicks in.
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Jun 18, 2012
My MacBook Pro screen randomly goes black, yet the laptop still has power. I usually have to reboot in order to get back into the computer.. as moving the track pad doesn't bring the screen up.
Info:
MacBook Pro, iOS 5.1.1
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Feb 4, 2008
I am looking at purchasing an Ibook G4 but the description of the item includes this:"When you switch it on it begins to load up i.e. the blue screen with the Apple logo, but then the screen goes black or flickers. Said friend has kindly wiped the hard drive for me so now when you switch it on it makes the �opening� noise then you get a blue screen with alternating �?� and the Finder logo."
I have a feeling this may have been a temporary fault with the screen connector being loose and possibly damaged.But i assume the alternating "?" and the "finder logo" is simply a lack of OS?
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Mar 29, 2012
I have iMac 27 and screen problem on start up i have blue vertical lines, when it start i have a lot of blue dots and nothing else. when I connect outside monitor its showing the same.
Just installed lion and still the same problem when it starts blue dots, when startup in safe mode loads of blue lines and dots on the screen.
Info:
iMovie (iOS), Mac OS X (10.7.3)
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Nov 27, 2006
My wife has a three-year old iBook G4 and yesterday while she was doing some work, the screen just went black. By the time she brought it to me the machine was shut down. I hit the power button and it started to boot up, but about five seconds later it shut itself down again.
I kept playing with it and I was able to get back in to OS X and I played with it for a few minutes and all seemed fine. I then shut the screen and put it to sleep, then when I tried to wake it back up it shut itself down once again.
After a few more tries of getting it back in to the OS I was able to get all her files off the hard drive, but the problem is still there.
My guess is that it's the logic board, but that's just a guess.
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Feb 24, 2009
So my computer froze while I was waking it up from it's nap, so I restarted it by holding down the power button. It now shows me the gray screen, apple sign and spinning circle for about a minute before it's decided it's done and would like to turn itself off. I have tried resetting the PRAM and the SMC. I have tried restarting in safe mode. I tried to restart it off the AC adapter without the battery. I hear the chime, I see the apple, and the status circle, and then nothing!
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Mar 4, 2009
I'm desperately trying to get my 3 year old macbook to cooperate - it operates fine although it has been very slow lately but occasionally it will freeze and flash a blue screen, then either just remain frozen or shut down. When I try to turn it back on, it responds as normal, but as the desktop, wireless bars, etc start to load, the pinwheel comes up and then the screen flashes blue, and the whole process of loading the desktop starts over. This repeats endlessly until after turning on and off a few times and waiting about ten minutes it will finally turn back on- something is clearly up and I'm afraid I am going to lose data.
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Feb 19, 2012
I have just replaced the display panel in my MacBook Pro (A1260) and now it is behaving oddly at startup. The backlight lights up normally until the boot process gets to the Login screen, at that point the LEDs shut off. I can see the images on the display, (the LCD seems OK,) the only issue is that the LEDs are turning off.
Here's what I've tried:
1) If I boot in Target mode, the screen stays lit. (As expected.)
2) If I reset PRAM, the lamp behaves normally, staying on through that session. If I restart, the lamp-off- condition returns.
3) I have reset the SMC per instructions here, [URL]. No change, LEDs shut off.
Info:
MacBook Pro (15-inch 2.4/2.2 GHz), Mac OS X (10.6.8)
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May 15, 2012
I came home to discover my power cord had died and my laptop turned off due to no power. I used a friend's power cord to turn it on later that night and send some emails. I bought a new power cord the next day, plugged in, and turned the laptop on. It stayed on the gray screen with a spinning wheel beneath the apple logo for a while. I restarted it and it turned off after a few seconds of the gray screen. An empty bar flashes twice horizontally at the bottom before the spinning bar begins.I tried booting in safe mode, but it would just stay on the gray screen. I tried doing shift+command+v and received a message about keys out of order and disk error full, can't repair. I was able to boot from the install disc, and when I click "Repair Disc" I get the same erros. Not sure what to do now?
Info:
MacBookPro, Mac OS X (10.6.4)
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Apr 10, 2010
My iMac (21.5") turn off by itself and it doesn't turn on until I unplug the AC from the back and let it rest for at least half hour!!! If I try to turn it on I only get fan and drive noise but no screen at all... The longest time I let it rest, the more time that I can use it. I already reset PRAM. I'm runing 10.6.3 and the biggest software I use is ArchiCAD 13...
Does anybody have a similar issue with his/her iMac?
PS. Sorry, I don't speak/write good English but I did my best...
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