The problem when your computer/device as a whole OR an individual application becomes unresponsive, "hanging" as it were, in mid air.
14
votes
10answers
12k views
Why is Preview excessively slow after upgrading to Lion?
After upgrading to OS X Lion, I noticed that my preview app is now excessively slow, taking minutes to open a file instead of seconds, even when opening a local file. In addition, it is often ...
9
votes
5answers
5k views
IMac freezing intermittently--every few minutes. How can I fix this?
A couple of days ago, I was browsing, and downloading something from Usenet, when my iMac all of a sudden froze up, grinding to an unbearable slowness. After trying to tolerate what was happening for ...
9
votes
2answers
6k views
MacBook Pro freezes with beachball on login (OS 10.7 Lion)
EDIT 8/21/11: It appeared that this issue may have been fixed in Update 10.7.1, but it reoccured just recently.
Recently after upgrading to Lion, my MBP refuses to allow me to login. I can see the ...
8
votes
2answers
12k views
MacBook Pro with Mountain Lion freezes frequently (full screen Flash in Chrome, Messages, HTC on USB)
Problems following an upgrade to Mountain Lion on a 13-inch, Early 2011 MacBook Pro (MacBookPro8,1 with Intel HD Graphics 3000).
With Google Chrome, I was watching YouTube video fullscreen – Flash ...
8
votes
1answer
904 views
What does it mean when a %CPU exceeds (# of cores) x 100%?
Several responses to a question I asked earlier suggested I try Opera kiosk mode, so I decided to download it and give it a try. Once the download had completed and the disk image was being verified, ...
7
votes
3answers
17k views
How to stop MacBook Pro (Retina) from freezing/locking at the login/authentication dialogue, after wake?
Steps to reproduce:
Be doing anything
Close the lid of the computer
Wait around for a while
Open the lid of the computer
Login prompt for last logged in user appears, battery and time MAY update, ...
6
votes
2answers
121 views
My iPod Touch / iPhone is frozen!
My iDevice is frozen on one screen and won't let me do anything. What can I do to fix it?
6
votes
4answers
1k views
iMac inconsistenly hanging and showing beach ball
This past week, I've been having constant problems with my 2007 Aluminium iMac (2.4GHz, 3GB memory, 320GB HDD). I've been downloading using Transmission, and when (sometimes) stopping or starting a ...
6
votes
2answers
2k views
How does 'stuck' (in results of 'top') relate to 'not responding' (in Activity Monitor), 'spin' or 'hang'?
In results of top commands, I sometimes see stuck.
Apple's top(1) OS X Manual Page does not explain this use of the word.
How, if it all, does stuck relate to the following?
not responding – ...
6
votes
2answers
127 views
Any way to use ssh to recover a Mac from spinning beach ball of death
On Linux, I can get to a ssh or Ctrl-Alt-F1 console and type in a command to restart the window manager.
Is there any equivalent for Mac Mountain Lion?
I tried ssh'ing to a frozen Mac, and I could ...
6
votes
4answers
366 views
iMac shows frozen at bootup, but computer running normally in background
I'm on an Intel iMac running Lion.
I'm having major issues with my iMac. The iMac froze whilst using Chrome, and I was forced to reset it.
After the reset the screen seemed to freeze on the apple ...
5
votes
1answer
572 views
Restart automatically if the computer freezes
There is a new option in the power management system preference to "restart automatically if the computer freezes".
How does this work exactly?
How can the computer check that it is frozen if it ...
5
votes
3answers
651 views
Why does Safari always hang?
I use Safari as my browser, but I've found that it frequently hangs for 20, 30 seconds (sometimes longer), often times when I wake it up from sleep and/or when I open a new tab.
Though I'm not sure ...
5
votes
1answer
2k views
Why does my computer auto-restart after freezing (Lion 10.7.3), even when disabled?
Since recently upgrading to "Lion 10.7.3" I have had repeated instances of the machine hanging/crashing without warning and then silently restarting.
Problem is, that such automatic restarts happen ...
5
votes
3answers
2k views
How do I make Spotlight stop indexing my Backup drive?
I have a 2TB external drive I use for Time Machine. At random intervals, it will decide to spin up and my entire UI freezes until it's finished. This is incredibly annoying.
It appears that this is ...
4
votes
1answer
1k views
How to kill stuck Screen sharing authentication dialogue?
Sometimes when connecting to a screen sharing machine in Finder, the authentication dialogue hangs indefinitely. The only way I've been able to get rid of it is log out.
So far I've tried killing a ...
4
votes
3answers
3k views
With Firefox Aurora, Mountain Lion hung - but the mouse still worked
I've just had my first Mountain Lion lockup. The screen was entirely frozen in place (I have seconds displayed on my clock in iStat Menu and even that wasn't moving) BUT the mouse still worked. I ...
4
votes
5answers
616 views
How do I know which process is causing my computer to hang?
My computer is a 15" Macbook Pro with Retina display, and I'm on OS X version 10.8.2. I have had this my computer for several months.
In the past few days, the computer has been completely ...
4
votes
2answers
2k views
How bad is it for a Mac to forcefully restart it when it freezes?
I have a 2011 27" iMac running OS X Lion. There is a known bug when iMac, after waking up from sleep mode, freezes while playing video (Flash in my case). It does not respond to any key combination ...
4
votes
4answers
584 views
Frequent beach ball all apps esp Safari, often needing Force Quit
Beachball (& occasionally wristwatch!) very frequently (as in every minute or so if I'm using the machine multi app) appears in all apps, especially Apple core apps. This most often happens in ...
4
votes
1answer
930 views
Time Machine Backup freezing computer
Time Machine on my computer is trying to backup onto a external hard drive, but the only thing I get is the famous beach ball of death which makes my computer extremely slow.
When I go to cosole.app ...
4
votes
4answers
3k views
Why does my iMac freeze since I upgraded to Lion? And how can I fix it?
My iMac (late 2009) worked great with Snow Leopard. After upgrading to Lion I am loosing the Mac vs. Windows war at home. The iMac freeze except for the mouse. The only thing to do is to restart with ...
4
votes
3answers
596 views
loginwindow process out of control
I have an early 2010 27" iMac that is the family computer. It has 5 user accounts on it. (Not sure if this is relevant or not).
Often times I'll come home and the login screen won't appear. Usually ...
4
votes
1answer
979 views
Login screen freezes after the Lion 10.7.1 update
After updating to 10.7.1 (the first Lion update) & restarting the system, it's not logging me in. As I give my password and press return it stays on the same login screen. I could move the mouse ...
3
votes
2answers
6k views
What might cause mouse and keyboard freezes after updating to OSX 10.8.2?
After the 10.8.2 update, keyboard and mouse input is hanging intermittently on my 2011 MacBook Air. It occurs in several applications (have tested with Safari and App Store). The keyboard input and ...
3
votes
3answers
1k views
Why does my computer freeze when I unplug my headphones?
Whenever I plug in or unplug my headphones into my computer, it freezes for about 10 seconds before it is able to do anything which is rather annoying. This didn't use to happen though, would anyone ...
3
votes
8answers
553 views
Checking for bad blocks without formatting
My Mac tends to pause every now then when preforming simple tasks such as right clicking, opening menus and typing (It actually just froze when I started typing this question.).
I've read in a few ...
3
votes
1answer
2k views
Why does Xcode always have trouble submitting archives to iTunes? [closed]
Some Background
Xcode not submitting to iTunes flawlessly has ALWAYS plagued me! I just don't understand what's going on, ever!
I know what I am doing, I have quite a few apps in the iTunes App ...
3
votes
2answers
192 views
Occasional system hangups after upgrade to Lion: is it a disk or software problem?
I have an 13 inch MacBook unibody Alu (early 2009, before they started to be called MacBook Pro) that I use every day for many hours (it's my work and life computer). Few weeks ago within few days I ...
3
votes
2answers
581 views
OSX able to throttle down CPU on heavy usage?
I have a company macbook with a 4 core 2,8Ghz i7 (to much power for a "laptop" if you ask me, whatever). Sadly the cooler seems not to be able to handle 100% cpu usage. Sometimes filevault stresses ...
3
votes
1answer
36 views
MBP with Mountain Lion 10.8.3 loses connection to system SSD at random times and freezes
So, out of nowhere my 2009 MacBook (2,66 GHz Core 2 Duo, 8 GByte aftermarket ram) started freezing after 200+ days of uptime (sleep time included of course). I had installed a Crucial CT256M4SSD2 ...
3
votes
1answer
727 views
Operating System becomes unstable after prolonged use
My setup
uname -a prints:
Darwin Jutsu.local 11.2.0 Darwin Kernel Version 11.2.0: Tue Aug 9 20:54:00 PDT 2011;
root:xnu-1699.24.8~1/RELEASE_X86_64 x86_64
Mac OS X Version: 10.7.3 as of this post
...
3
votes
1answer
608 views
SecurityAgent causing a freeze
Intermittently, I witness a freeze with my MacPro and I was wondering if anyone has had a similar freeze and found a cure. Some background: I have my screen saver turned off. I have Energy Star set to ...
3
votes
2answers
1k views
MacOS & finder hang to beach ball after a couple of hard resets, won't go away
I had to do a couple of hard resets (holding power button until it shuts off) because MacOS became unresponsive.
Now it's happenning every time, when opening a pdf with preview, or apps that used to ...
3
votes
2answers
4k views
Mac doesn't respond after sleep mode: how to Prevent this?
My mac often doesn't respond after sleep mode. What can be the reason?
There are a lot of articles about what to do in this situation. But I can find nothing about how to Prevent it.
Mac is macbook ...
3
votes
2answers
339 views
Aperture and iTunes freezing, bringing down Snow Leopard entirely
I've got a 27" dual-core iMac of the generation before the current one. HDD is 2 TB, RAM is 8 GB. I've got Aperture 3 installed and updated, with a photo library totaling 180 GB.
With increasing ...
2
votes
5answers
2k views
Is my MacBook Pro hard drive dying?
I have an early 2011 13" MBP, i7, 8GB crucial RAM, 500 GB Seagate ST9500325ASG.
I've had it for about 4 months. Twice, including last night, the beach ball appears, concurrent with a sound that can ...
2
votes
1answer
330 views
Restored from Time Machine, no boot
I restored from a Time Machine backup onto a new HDD, this was using a disc with OS X Lion
Upon boot, in verbose mode, the text hangs after initpool: offset = 0x08000000 size = 0x0800000.
I would be ...
2
votes
1answer
313 views
How can I recover from a frozen fullscreen application / game?
A few times now, Starcraft 2 has frozen up on my wife's Macbook Pro, but the mouse pointer still moves and the sound keeps playing. I can also SSH in from a different machine. The keyboard shortcut ...
2
votes
4answers
1k views
Mountain Lion sometimes hangs when mouse enters Dock – pointer is movable, but the MacBook Air seems otherwise frozen
I have a mid-2011 13" MacBook Air (MacBookAir4,2 with Intel HD Graphics 3000).
Since installing Mountain Lion I sometimes encounter a problem when I move the mouse cursor over the dock to click ...
2
votes
2answers
763 views
How do I stop my MacBook Pro from randomly freezing when trying to go to sleep?
My 2011 MacBook Pro has been having a problem occasionally where I put it to sleep, but it continues to run. Later when I go use it again, I realize that it was on the whole time (usually inside my ...
2
votes
1answer
202 views
Faulty 2006 iMac - what is it useful for?
I own a 2006 iMac, which, alas, has a known manufacturing fault. Because of the poorly-designed cooling system, the graphics card (soldered to the motherboard) has become defective and the system ...
2
votes
3answers
131 views
Messages beta hangs. How to remove it or at least its accounts?
I've received a huge iMessage and now the App hangs. I can't remove the App, because it's only possible via the menu item which is not responding. Removing ~/Documents/iChat/* and ~/Library/Messages/* ...
2
votes
2answers
2k views
Mouse/Keyboard won't connect after being powered off
my iMac has recently developed an odd issue:
If the mouse, or keyboard, is powered off (power button, or because I pull the batteries), and then powered on again, the device will not connect to the ...
2
votes
1answer
762 views
Why does Force Quit Applications freeze?
When an app freezes on my app, I will press Command ⌘+Option ⌥+Esc ⎋ to open the Force Quit window.
However, this will take minutes often, and clicking on the Force Quit button freezes the Force Quit ...
2
votes
2answers
283 views
How do I determine what is locking up my machine?
My MBP is suddenly locking up to the point that only a power down will fix it. Neither command+alt+esc or command+alt+shift+esc do anything. It started by getting some nice screens in multiple ...
2
votes
1answer
3k views
Why does Safari freeze on YouTube HTML5 videos?
I'm in YouTube HTML5 trial, and the experience is terrible with Safari.
Every video is lagging severely, and the browser gets unresponsive constantly.
I have zero problems with the Flash version, ...
2
votes
1answer
1k views
Finder freezes when deleting files across a network
I have my MacBook 5,2 hooked up to an Ubuntu 10.10 'server' via ethernet.
I've installed netatalk (AFP fileserver) and avahi-daemon (Bonjour for Linux) on the server. I've disallowed Spotlight from ...
2
votes
1answer
2k views
How can I prevent Excel from opening recovered files?
I unfortunately tried to open a few Excel files that have huge amounts of data. After 20 minutes they were not opened yet, so I did a force quit.
The problem now is that when I launch Excel, the ...
2
votes
2answers
712 views
snow leopard(10.6.5)freezes on startup with bootcamp and windows7
Help! I've installed boot camp and Windows 7 on my black Macbook Santa Rosa (2.4Ghz, 4GB RAM) and have a serious problem where I can no longer boot into OSX.
OSX freezes with the apple logo and timer, ...
