IMac :: System Hanging And Will Not Always Bootup
Dec 8, 2010
I have a iMac 20" 2.4ghz 2gig RAM. For a few weeks now been having problems with it running slow hanging and programs doing all sort of things like losing history in programs. But the other day it hang and had to turn it of by holding the button when tried to turn it on again it would only load till the grey screen and it had a flashing folder with a ? Tried for ages to get it to bootup but nothing so left it for a day turned it on and it booted up ok but still with the other problems. Now it hangs all the time and it wont always bootup.
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Apr 7, 2010
My UbMBP 13 inch becomes completely non-functional from time to time - and won't work until I do a manual reboot by switching it off and turning it on by pressing the power button.
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Sep 11, 2009
Ever since I installed Snow Leopard, every so often when I try opening System Preferences, it just keeps bouncing and never opens and says it's not responding. If I force quit and reopen, it'll suddenly open on first bounce. This happened on 10.6.0 and 10.6.1.
For context, I installed SL clean on my iMac Core Duo. The only 3rd party apps in System Prefs is Backblaze, Flip4Mac, GeekTool, Growl, iStat Menus, and Perian. All are up to date.
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Sep 6, 2009
my System Preferences sometimes hangs when i open it in Snow Leopard and i have to force quit it and then reopen to use it properly.
trashing its cache seems to relieve it temporarily but it soon starts to happen again and ive tried trashing its preferences file.
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Jul 29, 2010
I have a June 2009 Macbook Pro 2.53ghz (9400m gfx card) I am running these programs at once and am experiencing extreme lag in the overall system:
1) Heroes of Newerth
2) Itunes (with music playing)
3) Safari
I feel like my $2k computer should be able to take these tasks on with no problems but i get systemwide lag, even my text cursor is lagging while im typing this. Is it just an incapable computer or am i doing something wrong?
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Sep 4, 2014
New MacBook Pro. Created test user account for apple to debug a problem. Problem fixed, I tried to delete account, but it just hangs sating deleting account. Trying to quit fails saying System Preferences is busy. Â
Can force quit, but account is still there. Â
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Nov 23, 2008
I'm have an old iBook Clamshell 320mb of RAM with OS X 10.2.8 installed, and today I tried to replace the Extras.rsrc with the "Liger" theme (you know the one that makes it look like leopard?) but I didn't know it wouldn't work with 10.2 so I took the original put it in a folder on the desktop called 'System Files Needed Don't Delete' and then I restarted the computer, and it won't boot to the login screen and just stays blue with the cursor. Is there some way I can fix this without installing 10.1.4 again, and not sending it to a friend who can install 10.2.8? I only have the 10.1.4 install disk.
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Oct 3, 2010
I wasn't paying attention when installing the windows XP and I choose the "Leave the current file system intact" option and I am unable to boot up my IMac. Its a black screen saying failing to boot from cd, press any key to reboot and it doesn't. I have ejected the cd and I been trying to hold down the option button to choose which to load up from but it doesn't work. I have an external hard drive that I been using for time machine, is there any way I can boot up from that disc and then have the hard drive in the IMac reset to the mac OS X partition? Running Mac OS X Leopard to its fullest updated on Intel core duo IMac with 2 gigs of ram
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Nov 21, 2010
My wife's iMac MC508 is 2 weeks old, I had to re-install it after 1 week because Safari kept hanging. It was working ok yesterday lunchtime when I used it but last night my wife switched it on and just got the white screen with logo, then a blank progress bar then the circle thing before it shut itself down. We have tried all the key combinations that we found online but no change. The only thing I have not done is put the install disk back in for fear of not being able to eject it. Has the hard drive packed up? Does this mean a trip to an Apple store?
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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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Jul 1, 2012
Have been having problems with my iMac hanging which I think is caused by Safari. Safari (5.1.7 )will be working OK and then hang with the spinning wheel. Am then unable to quit and finder hangs in turn and I end up doing a restart with the power button. Have 1 external hard drive attached which is partitioned for Time Machine backup and iTunes library.In attemt to address problem I have previously erased my iMac and reinstalled all software (from new rather than from Time Machine backup) and then reinstalled user files (but not application library files in case any of these were corrupted. Problem is common to all users.Â
Last log looks like this:Â 01/07/2012 16:39:31Â Â Â Â Â Â Â Â Â SecurityAgent[1525]Â Â Â Â Â Â Â Â Â User info context values set for ian01/07/2012 16:39:31Â Â Â Â Â Â Â Â Â SecurityAgent[1525]Â Â Â Â Â Â Â Â Â Login Window Showing Progress01/07/2012 16:39:31Â Â Â Â Â Â Â Â Â SecurityAgent[1525]Â Â Â Â Login Window done01/07/2012 16:39:31Â Â Â Â Â Â Â Â Â /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[15
[code]....
Info:
iMac (20-inch Mid 2007), Mac OS X (10.6.8)
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Apr 26, 2010
Recently, my iMac 27" i7 has begun hanging in the most bizarre fashion. It usually seems to happen when I wake the computer from sleep or screen saver, but that isn't always the case. What will happen is that when I get to the computer, Mail will show symbology that indicates it is not connected to the Internet or Safari, upon booting, will not open a webpage (it sits on a white screen rather than delivering an error). I'll go to quit one of the offending programs, and it will not quit and beach balls instead. I then right click on the dock to trigger a force quit, and the force quit does nothing and the dock beachballs. I try to restart/shut down, and nothing happens. Thus I am forced to hard restart.
Conversely, I am sometimes able to get an offending program to force quit, but the rest of the computer (anything I click locks up) beachballs leaving me to hard restart. I find when this happens, my first instinct is to click system prefs and go to networking, where when I click networking, it locks up. Then I have to hard restart. Finally, there are times when it does respond to a restart request. It will go through the restart process up to the blue screen at the end, where the little spinning doohickey will appear and stay there indefinitely, forcing me to hard restart. It didn't seem to happen before I got my iPad but happens about every other day now.
At first it seemed to happen after I had my iPad charge from my computer, but now it seems to happen regardless. One time it hung while syncing with my iPhone and required me to restore it since the phone got messed up. I've done everything I can think to do to get to the source of the problem and I can't figure it out. I've looked through logs and didn't see problems (granted, I don't know if I'm looking at correct logs or if I'm looking for the right events). I have repaired permissions, and that seemed to help but not fix the problem. I bridge my iPad to my computer through Internet connection sharing, since I have an Ethernet internet connection. I created Automator work flows to turn it on and off (and AirPort) as I never leave it on when not using it.
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May 18, 2008
I am running the following system:
Apple Macintosh (Intel)
MODEL iMAC
PROC 2.4 GHz Intel Core 2 Duo
RAM 1 GB 667 MHZ DDR2 SDRAM
DRIVE 300 GB
The hanging appears to have been caused when I accidently moved about 40GB of old photo's onto my desktop. Almost immediately I tried to cancel but all that happened is that the system has hung. Processer can be heard working in the background.
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Nov 21, 2009
For the first 39 seconds the screen white. It takes another 25 seconds for the imac to be in watcha you call it--standby mode. In all 64 seconds. Wonder how long it takes the i7?
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May 21, 2008
I am running the following system:
Apple Macintosh (Intel)
MODEL iMAC
PROC 2.4 GHz Intel Core 2 Duo
RAM 1 GB 667 MHZ DDR2 SDRAM
DRIVE 300 GB
The hanging appears to have been caused when I accidently moved about 40GB of old photo's onto my desktop. Almost immediately I tried to cancel but all that happened is that the system has hung. Processer can be heard working in the background. Being new to MAC I am pretty stumped. Have tried the obvious forced restart using the power on/off button but no luck. Is there a way I can get in and stop this process say at start up?
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Jan 13, 2010
Firefox has been prompting the spinning beach ball a lot lately and forcing me to use force quit, has anybody else noticed this and does anyone know why ?
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Jun 23, 2014
Running OSX 10.9.2 on a MacPro (2x2.26 GHz QuadCore; 32 gig 1066 MHz). In the last few weeks TextEdit will open and work once, but when I go back to it later in the day it's spinning and I have to Force Quit it, reopen, to get it to work (again, only once). I can't find an update to it anywhere - what can I do? I use it a lot to reformat text.
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Apr 11, 2009
Randomly i turned my computer on today and my macbook did some funny things and is slowing downing and hanging up on simple things. What are some things i could do to make sure everything is in working order and i'm running as fast as possible?
ps, i have 117 gb's free so that's definitely not the problem!
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Jun 24, 2009
Safari 4.01 keeps on hanging,not crashing as such but wait for ages and may or may not come to life after that,reported the bug several times to Apple.
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Dec 1, 2009
I replaced my 200gb 5400 hard drive in my 15" Macbook Pro, Early 2008 model, with a WD Scorpio Blue 500gb 5400 hard drive. I cloned the drive with Carbon Copy Cloner and everything seemed to go smoothly. But after I began using the Macbook in earnest, I noticed a delay in response at certain times. If I type in a word processing program, I will type five to six words, the cursor won't move, then I'll get the rainbow spinning wheel. After five to six seconds, the line will appear quickly, letter by letter, until it catches up. If I keep typing, everything is fine, but once I stop for 20 seconds or more, the same thing happens. Being more observant, I began to notice hiccups in other programs as well. I'll give a trackpad input and the spinning wheel appears, then the program catches up.
I then began to listen closely to the hard drive. After 20 seconds of activity, it sounds like it slows down, even going to sleep--although I'm not sure if that's truly what it's doing. It's only when the hard drive seems to slow/stop that this lag in input happens. If I keep giving inputs before the slowdown, everything is fine. Here is what I've done to troubleshoot. Perform a verify disk from disk utility. No issues detected.
I've unchecked "put hard disk(s) to sleep when possible." Still have same problem. I've booted from the old 200gb HD which I encased in a disk enclosure and the lag time doesn't occur when using it. Is there something else I should have done with the BIOS or something else when installing? Also, I bought the HD from Amazon. If the HD is defective, does anyone have experience to know whether WD will send me a new HD or do I have to go back through Amazon to get a new one.
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Jan 1, 2010
I have 2008 microsoft office running on my Macbook Pro. I was wondering why microsoft word keeps on hanging. I was guessing this is unreasonable and very strange because of the very small file I was working on, 20 pages of pure text only. When an error was encountered it says something like "Microsoft word encountered a problem and it needs to be closed. Sorry for the inconvenience." Also, sometimes it says something like "low memory". It was shocking coz how did this problem occur since I have 4GB MB.
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Feb 3, 2012
i am having problems with safari shutting down when using. it first started on my later model with snow leopard and i posted [URL] and did all the replies. it seemed to stop hanging up. now it is on my husbands older model the bubble computer ver. 10.4.11 (tiger)  i have tried doing everything suggested with the first computer but no luck. the one problem i had was when i moved the safari.plist out i could not get safari to open. it says no network connection. then i moved that same plist bsack and i got the connection with internet.Â
Info:
imac, ibook, airport extreme, Mac OS X (10.6.7)
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Apr 15, 2012
Recentlly I removed my OpticDrive and installed a Crucial m4 SSD. I activated TRIM for it and formated it into Mac OS X Plus (Journaled). Then I downloaded Lion from the App Store and proceeded to install it into the SSD. After al the process I booted from the SSD, selected that as my default boot drive, and waited for Spotlight to index all the files.
When it finished, I restarted. Then I ran software update and got everything updated; installed JRE and after that restarted again.The problem is that since I installed the OS, apps hang out all the time; the spinning beach ball appears as If I had a 5 years-old mac and 1Gb ram; I check Activity Monitor and it shows that from time to time the apps are hanging out and the they return to functionality; this happens with Safari, Mail, Finder, even Launch Pad and Spotlight.
When I check the disk usage, it shows that on those moments when apps hang, it stops showing read/write data. Then when apps stat to work it shows again the reading and writing. I have booted from my "main" Snow Leopard HDD, erased the SSD and repeated the process of installing and all the previous stuff, and the problem lasts. When I restart sometimes it takes 10-15 seconds, but in other cases it takes almost 60 seconds.
Info:MacBookPro, Mac OS X (10.7.3)
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Apr 16, 2012
My wife has an oldish Mac laptop we bought about 7-8 years ago. Everytime we start is up it tries to open MSNMessenger and fails. This hasn't been a problem in the past but today the computer just hangs when trying to open. I get a couple of error messages that disappear almost too quickly to read. One says something about "DevDetectListner" and another something about "Shared library errors.. Carbon". I can't force quit MSNMessenger from the menu strip at the bottom. If I try to use the ctrl open apple esc command it just restarts and the same problem occurs. If I try to open other applications they quit and an error message appears.
Info:
MacBook
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Apr 29, 2012
why does safari hang?
Info:Mac mini, Mac OS X (10.7.3)
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May 21, 2012
Really lost here. Bought a used 10.7.4 equipped Mac Pro. QT either hangs or gives a -1712 error. Tried to find preferences to trash and I cannot find QT preferences or users Library. Have I been in the old Leopard world too long?
Info:Mac Pro, Mac OS X (10.7.3), 2.66 dual core
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Jun 13, 2012
Today my iMac has started to hang while working in various programs. I have re-started the machine, closed programs, but nothing seems to help. This has happened in Chrome, Firefox, iMovie, PhotoShop, MS Word and Excel. Looking at other threads, I opened the Activity monitor and downloaded the temperature sensor, but not sure what I am looking at.Â
Info:
iMac, iOS 5.0.1, 8 gb ram
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Dec 25, 2008
Basically I need to boot from disk and reinstall osx without booting up the current install as my keyboard and trackpad don't work on bootup, but are recognised as it boots up as I'm able to put it into safe mode.
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Oct 6, 2008
The last days I've had some problem with my MacBook. The machine hung 3 times - it went to a gray screen with a light gray box about 5"X3" with a light colored power switch as a background, that says "You need to restart your computer. Hold down the Power button for several seconds or press the Restart button" (then says it in French, German, and what looks like Chinese letters maybe?)
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Jun 11, 2010
I've had constant trouble with Safari 5.0 not wanting to load a page or constantly hanging with what appears to be one or two items left to load from the page. Often, I have to stop Safari and then reload the page to get it to work. I noticed quite a few other people having the same type problem on Apple's support forums. So far nobody seems to have an answer. Anybody have any ideas as to what's going on here?
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