The problem when your computer/device as a whole OR an individual application becomes unresponsive, "hanging" as it were, in mid air.

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9
votes
2answers
28k views

Mac OS X Mavericks freezes, stops responding when running out of memory

It happens every other day and the symptoms are weird to say the least. The computer still responds in some sense; I can move the mouse, the volume buttons on my headphones work. They keyboard does ...
0
votes
1answer
535 views

Retina MacBook Pro freezes after replacement screen fitted

I have a rMBP 975, mid-2012, running 10.9.1, and half a month ago, I went to the Genius bar to change my screen. After that, in the past week, my Mac has frozen three times. I don't know what the ...
0
votes
2answers
273 views

Newly-upgraded Mavericks machine hangs on startup

I just upgraded to Mavericks on my 2.8 quad desktop, and now it won't fully boot. It gets to the Apple logo, then hangs. I tried safe boot but got the same result. Where to next?
4
votes
10answers
3k views

What is wrong with my iMac? (video corruption, unstable)

I have a 24" Early 2009 iMac. During "intensive" use (such as Photoshop, WebGL, etc.), the system starts to become very unstable, resulting in bizarre graphics corruption and other weird behaviour. ...
0
votes
1answer
45 views

How do I fix my iPhone 4?

I am currently having problems with my iPhone. So it froze last night and went completely black. so I left it for a while, hoping it would un-freeze. then all of a sudden it turned off and I tried to ...
0
votes
1answer
237 views

iPhone iOS7 hangs and requires restart when Switching between apps

Occasionally, the iPhone hangs and requires a restart when trying to switch between apps by double-clicking the home button. Mostly happens when in landscape mode, but yesterday that phone hanged ...
2
votes
1answer
594 views

Mac Freezes when left IDLE

I'm having a trouble with my Mac. It freezes totally when left idle for an hour or so and I can't get it to work by moving my mouse, pressing keys on the keyboard, etc., and I have to force restart ...
2
votes
4answers
2k views

Reminders App Hangs after Mavericks Upgrade

A couple of people on twitter share this issue, but I cannot find any discussions of it nor solutions. Since moving to OS X 10.9, Reminders app keeps pinwheeling, and won't respond. It doesn't ...
1
vote
0answers
831 views

Why does OS X Mavericks freeze while typing comments on StackExchange Pages in Safari?

For a couple of days i am using OS X Mavericks and Safari for browsing. Sometimes while writing questions or comments on StackExchange pages, the computer freezes, and on the screen appear suddenly ...
7
votes
4answers
1k views

OS X Finder hangs on tagging

I'm having a problem with the new tagging feature in Mavericks and I have a feeling it might go deeper than just the tagging. The problem is this: When tagging anything on Mavericks the Finder ...
11
votes
3answers
36k views

Mail.app extremely slow on OS X 10.9 Mavericks

Since I updated to Mavericks two days ago on my late 2008 13-inch MacBook (first unibody aluminium), I have huge difficulties using Mail. When Mail is running, everything slows down extremely (I ...
1
vote
0answers
263 views

How to take advantage of Intel's SpeedStep technology

I've never formerly know about Intel's SpeedStep capabilities in my Mac(Book Pro 5,1) until the last few days. And let me say that the possibility to make the battery last longer is good enough to ...
2
votes
2answers
9k views

What do I do when OS X freezes?

It happened to me twice recently. I was just using my iMac normally, like browsing the web, and it suddenly freezes. I can move the mouse, but I can't click on anything. Keyboard not functioning at ...
1
vote
0answers
191 views

mac blue screen and computer freeze

I have a macbook pro, OS 10.8.5 In the past month or so, I have had problems where the computer will freeze, and then switch to a blue screen. It's not 100% blue, but has some very slight vertical ...
1
vote
1answer
2k views

Mountain Lion Screen Freeze

My Mountain Lion is keeps freezing from few weeks, today it freezes/crashed couple of times already. Here is the log before the big freeze (file /var/log/system.log): SIMBL Enabler for Sandboxed ...
2
votes
0answers
476 views

Something appears to be corrupting my kernel.log file, causing 5-10 second lock ups. What gives?

The Problem: Lately, every 10 minutes or so, my MacbookPro8,2 has been freezing up for 5-10 seconds. During those 5-10 seconds, video/audio content stops playing, all applications lock up, and hitting ...
2
votes
2answers
603 views

Mac freezes on startup with vertical striped bands

I have an early Intel Macbook 13.3" that freezes on startup with strange bands down the screen. I'm unable to do anything. Any ideas on what would cause this?
6
votes
4answers
23k views

How to diagnose repeated OS X hang / spinning beach ball of death?

Here are my stats and brief summary of the problem: macbook pro; mid 2009; 13 inch; 2.26 GHz; 4GB RAM (currently, will elaborate); 10.7.5 The issue I'm having is that the computer constantly gets ...
0
votes
1answer
291 views

Help me reset the terminal after sudo command mistake

I recently installed a cracked version of a program and it instructed me to block outgoing connections by following the instructions below. Step 1 Click the "Go" menu, select "Utilities," and then ...
1
vote
1answer
7k views

iMac doesn't start, all i see is colored lines and then checkered lines on a white background

I have iMac 2010 which is out of warranty. I recently came up to the computer and it was sleeping and was not waking up. I held the powered button for a while, so it turned off. Then I pressed it ...
2
votes
1answer
1k views

MacBook Pro repeatedly freezes, often with odd display glitches

I have an older, 2007 15-inch MacBook Pro (model identifier MacBookPro3,1) which has begun freezing repeatedly. If I boot into Single User Mode it stays operative, however I've begun to get graphic ...
0
votes
1answer
128 views

Mail freezes when saving message as draft

Ever since upgrading to Mountain Lion, I noticed Mail often freezes up for a good 5-10 seconds at a time in the middle of typing. This happens constantly, and every time I notice it says "Saving ...
0
votes
1answer
2k views

Finder doesn't come back after crash or `killall` [closed]

This has been happening for quite a while (since before I upgraded to 10.8, I think), although I'm running 10.8.4 currently; I'm on an iMac from 2012. Every once in a while Finder will freeze up for ...
2
votes
0answers
412 views

Connection to Mac OS 10.7 from Windows via VNC hangs on/after login screen

I'm connection to my Mac Mini from Windows, using RealVNC client (also tried TightVNC with the same behavior). And, Login Screen shows fine, but when I'm typing password sometimes it hangs. Also it ...
1
vote
1answer
129 views

Screen freezes on MacBook Pro 2008

Today, my screen froze suddenly, and since the I have this problem reoccurring in certain intervals. I ran /sbin/fsck -fy and got the following results. I assume this is something with the processor? ...
1
vote
2answers
12k views

How do I reset iPhone if hard reset (power + home) won't work

I have an iPhone that is frozen while browsing with Safari (it happens all the time). I am aware that holding down the power button with the home button for 10 seconds is supposed to reset the phone. ...
1
vote
1answer
537 views

Freezing, disk i/o problems iMac

I have a desktop iMac with Snow Leopard installed on it. Every few minutes, I get freezing and "kernel disk0s2: I/O Error" in my console. I did some research, and found that my hard drive (a WD I ...
0
votes
0answers
184 views

MacOS X 10.7.5 screen flickers in black and freezes for 2 minutes

Recently noticed a problem - in Finder, column view (this is important) if I select a pdf file (noticed only for pdf) screen flickers quickly several times in black color and the whole system freezes ...
0
votes
1answer
570 views

Safari 6 freezing

I've recently upgraded to Safari 6 in Lion and I'm seeing some pages freeze: I cannot scroll down and sometimes cannot click on anything. Safari is still alive and working but the freeze cannot be ...
2
votes
1answer
126 views

How can I analyze and resolve a freezing menu bar?

My menu bar is freezing up. Whenever I put my cursor near it, I get the spinning wheel of death (rainbow ball). I opened spotlight and it's stuck indexing. The progress bar isn't moving. I've tried ...
2
votes
3answers
2k views

10.8 Notification Center occasionally freezes system

My Mac Pro 5,1 sometimes freezes when I open the Notification Center, and it usually recovers by itself about 10 minutes later. I'd like to know why and how to fix it. When this happens, the ...
0
votes
2answers
329 views

2010 Mac Pro beachballing/freezing

My machine is a 2010 Mac Pro 2 x 2.66 6-core intel xeon with 32 GBs of ram running Mac OS X 10.8.3. Just the other day it started to beach ball after about an hour of use. It doesn't make any ...
6
votes
2answers
348 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 ...
7
votes
2answers
1k 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 ...
0
votes
1answer
9k views

iPad stuck with “iCould Backup” message — can't use it!

Yesterday I opened my iPad to discover a weird message I'd never seen before on my screen, that I cannot get rid of: It prevents me from interacting with anything else on the screen! So I plugged ...
1
vote
0answers
691 views

27" 2009 iMac screen occasionally freezes (mouse still moves) after upgrading RAM and SSD

I have a 2009 iMac that has been working fine (but slowly) until now. I decided to upgrade the hard drive to a 500 GB Intel SSD (MZ-7TD500BW) and put in 16 GB of RAM (PNY Optima PC3-8500). I've ...
1
vote
0answers
80 views

ps on remote Mac doesn't work

I have a Mac Mini (latest model I believe) running OS X 10.7 at a remote location that I can only access via SSH. The problem is that the ps command* does not work. When I run it in any form, from ...
1
vote
1answer
287 views

Why does Time Machine hang/freeze on “Backing up…”?

Lately, whenever I try to back up Time Machine to one particular external drive, it gets past the "Preparing..." stage (most troubleshooting documents talk about fixing problems with hangs in this ...
1
vote
0answers
296 views

OSX freezes upon USB connect

On a new (end 2012) iMac 21" with OSX ML as delivered I performed a migration from a backup drive that contained a bootable clone of the old machine, OSX 10.6.x, Users, Application, Libraries, etc, ...
6
votes
1answer
2k views

Momentary freeze in Mac OS X on USB device atachment

This seems to have only started recently, but every time I attach a USB device or removable media (SD Card) to my Mac Book Pro running OS X 10.8.3 there is a freeze in the mouse cursor for a few ...
1
vote
0answers
38 views

Console Mode from Desktop

With most linux distros you can hit control + alt + F1 or the like, and get a Console. This is really useful when your X11 / display manager freezes, because you can restart that process / service in ...
0
votes
5answers
196 views

Mac Pro 2007 crashes repeatedly

Yesterday my Mac Pro 1,1 (2007) running 10.7 started freezing up. It keeps on doing this after restart. Usually it will perform one task, but when asked to do a second, it freezes. The cursor will ...
0
votes
1answer
299 views

Can software cause the home button to stop working on iOS?

I have a new (2 months) iPhone 5 and it just froze in the "settings" app. Everything on the phone is controlled with the round button at the bottom, when I press it nothing happens anymore. Can this ...
0
votes
3answers
4k views

XCode Hangs at Startup

XCode fails to open on my machine - OS X 10.8.2. It opens the main screen and just hangs there with the spinner spinning becoming unresponsive. If I double clcik a project, it just hangs sating it is ...
0
votes
2answers
292 views

Instapaper freezing on startup due to problematic article

I added an article to Instpaper on my iPod Touch, and then I opened the article. It crashed Instapaper, so I deleted the article through my browser and then reopened Instapaper. Now Instapaper freezes ...
1
vote
0answers
691 views

How do I unfreeze my iPod Nano 4th Gen?

tl;dr -- My iPod hangs on the boot screen (black background, silver apple logo). When I try to restore it (on both my Virtual Windows XP and on a Mac laptop), it'll restore fine, but when it reboots ...
0
votes
1answer
301 views

Troublesome kext or driver causing system to hang

I have a late 2012 27" iMac with a relatively fresh install of OS X Mountain Lion (10.8.2). I have been experiencing a pretty severe problem that I am convinced is software related, but I could use ...
1
vote
1answer
200 views

Macbook Pro 2007 Crashes

I have a macbook pro 2007 . 4gb of ram 320gb. i bought this macbook off eBay over the summer. it came with leopard , 2 months later then i upgrade to snow leopard, then to mountain lion. i currently ...
0
votes
1answer
305 views

What is writing to Disk causing eventual Beach-ball-of-death

What is running my machine down? This is iotop output...I still can't tell what is driving my system to a halt. Command+i on the SSD shows my "used space" slowly changing. It does this for about an ...
0
votes
1answer
163 views

Browsing in Finder is extremely slow while fine in Terminal

I did Repair Disk Permissions, reindexing files for Spotlight, and remove cache folders but it's still broken. It takes 30 seconds to several minutes to files to show up in local, not remote, folders. ...