Questions tagged [hang]

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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136
votes
2answers
195k views

How to investigate high kernel task memory usage?

I was using my MacBook Pro (with 16GB of RAM) as usual and out of blue I've this popup that: Your system has run out of application memory. To avoid problems with your computer, quit any applications ...
11
votes
2answers
16k 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 ...
9
votes
9answers
58k 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 ...
28
votes
1answer
26k 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, ...
19
votes
5answers
80k views

Boot hangs on grey screen (even when booting from USB drive with fresh OS X install)

My MacBook Pro 15" Late 2011 (MacBookPro8,2) with AMD Radeon 6770M exhibited display corruption and associated system crashes/resets over a period of two weeks before it entirely failed to boot. The ...
18
votes
2answers
32k 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 – may ...
3
votes
2answers
6k views

How would I identify what's causing my Mac to permanently hang on shutdown?

Whenever I try to shutdown or reboot my Mac (Macbook Pro 15" Retina late 2013, OS X 10.11.3) it closes all programs like normal and then it goes into that black screen with the progress bar. When it ...
11
votes
2answers
2k views

vm_compressor=VM_PAGER_DEFAULT in Yosemite caused freeze when physical memory was full

The memory compression caused frequently lag so I tried turning it off by using the command sudo nvram boot-args="vm_compressor=1" The lag was gone but I got crashing freeze when I opened ...
15
votes
2answers
7k views

How to stress a MacBook Pro Retina?

I need to stress my rMBP components (e.g. CPU/GPU/RAM) without loading any additional software tools. Background - My rMBP has a hardware fault (similar to this issue) which causes system freezes ...
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 ...
3
votes
1answer
388 views

iPhone 7 is frozen and I can't turn it off

I went onto my iPhone 7 and tried to get into an app but couldn't I then tried swiping sideways along the screen but it wouldn't move. I tried turning it off but it got stuck on the sliding part and ...
11
votes
4answers
44k views

Finder slow/freeze under Mavericks

<rant>I wish I never upgraded to OS X 10.9, it is so buggy!! But the alternative to stick with the unpatched earlier version of OS X was not a solution! Anyway, so I am on this crappy Mavericks ...
2
votes
1answer
3k views

Catalina: Login Screen Freezes After Password Entry

iMac mid 2014 has been working fine for 5 years (well, sort of since I made the mistake of upgrading to Catalina). As of today: start the mac select a user from login screen enter password A few ...
9
votes
2answers
7k views

com.apple.hiservices-xpcservice results in frequent hangs and freezes in my mac

Update (2019): The issue still persits even in macOS Mojave, tried everything I could find, nothing seems to solve the issue as of yet! Problem: com.apple.hiservices-xpcservice hangs repeatedly ever ...
3
votes
1answer
238 views

Fix Windows after Ubuntu installation

I've followed closely this step-by-step guide: https://apple.stackexchange.com/a/257275/322989 After that my Ubuntu 16.04 LTS and Mac installation work perfectly fine. But my Windows 10 does not. ...
8
votes
2answers
2k 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?
3
votes
1answer
41k 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 ...
3
votes
4answers
183k 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
3k 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 ...
11
votes
7answers
25k 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 ...
7
votes
3answers
3k views

Complete system hang, graphics-card related (“IntelAccelerator: bad busy count (255,1)”)

I have just upgraded my machine to Yosemite (as of three hours ago), and I have encountered my first hang (on this laptop, which is about a week old). The system locked up quite hard, with only the ...
6
votes
3answers
12k views

Built-In Trackpad and Keyboard Unresponsive after Sleep or Restart

I have a MacBook Pro (15-inch, Early 2008) that's currently running 10.7.3. I've been finding that it will intermittently freeze and then I have to shut down and restart the computer, but sometimes ...
8
votes
4answers
3k 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 ...
13
votes
4answers
9k views

Why is sudo taking way too long?

I recently updated to macOS Sierra 10.12.4 Beta (16E144f) and it might be what is causing sudo to delay up to 10 minutes as it's the most recent change I recall since this problem occurred. I have ...
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 ...
4
votes
10answers
11k 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. ...
19
votes
11answers
18k 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
2answers
37k 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 ...
7
votes
2answers
23k views

Yosemite won't boot any more after attempting to enable FileVault and TRIM

I installed Yosemite yesterday and it was working fine. Now whenever it tries to boot it runs Safe Mode and fails 1/3 of the way through. From what I can remember I went to enable FileVault and ...
6
votes
1answer
3k 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 ...
5
votes
5answers
14k views

Installation of Adobe Creative Suite 6 hangs at AdobeHelp on Mac OS X El Capitan

I have been attempting to install Adobe Creative Suite 6 Production Premium after upgrading to Mac OS X El Capitan. The installation seems to go along flawlessly until it attempts to install "...
5
votes
1answer
2k views

Macbook pro keyboard randomly freezes after upgrading to Catalina

I am using a Macbook pro 13" with touchbar late 2016. Before upgrading to Catalina, everything works fine. After the upgrade, the internal keyboard will randomly freeze while typing (no response, caps ...
2
votes
0answers
1k views

Why does my Network preference pane freeze every time I open it?

For some time (about a month give or take) the Network Preferences pane in System Preferences has been freezing every time I open it. Wi-Fi works fine and I can connect using the menubar icon, but I ...
2
votes
3answers
5k views

How to get my screen responding again?

My MacBook Pro is running, ssh works fine, but the screen does not respond anymore. The screen is frozen like the ice of Antarctica. The mouse does not move on the screen. The time of the clock does ...
2
votes
0answers
3k views

Yosemite login freeze after sleep

I've seen several threads to this effect, but none that have resolved my issues with logging in successfully after sleep for a relatively long time, or after working with an external monitor, then ...
7
votes
2answers
5k views

iMac hangs trying to restart or shutdown 10.13.3

I'm having an issue with my iMac where it hangs during shutdown. It gets to a black screen with just the cursor showing. I am able to login from another computer via SSH and see that it's doing ...
5
votes
1answer
3k views

13" Retina MacBook Pro completely freezes

Every once in a while, my 13" retina MacBook Pro completely freezes while I'm in the middle of working on something. And I do mean completely: it won't respond to any keyboard input, I can't even move ...
3
votes
10answers
27k views

Finder doesn't work since Yosemite

Has anyone experienced any issues with using finder since updating to Yosemite? Since updating, I can't open finder at all. I click on the icon and the pc just hangs up and in activity monitor, ...
1
vote
2answers
4k views

Mac OS X 10.6.7 freezes on restart

I recently got a Mac running Mac OS X 10.6.7. I installed the software update that was available, and when I tried to restart it, it seemed to be going well until it froze on the original space ...
1
vote
0answers
48 views

OSX freezes and logs me out when switching workspaces, it doesn't happen everytime and it's not consistant?

I'm running OSX High Sierra 10.13.2. also, where can I collect more info about why this is happening?
0
votes
2answers
2k views

Freezes on MacBook w/ Lion with Intel 330 SSD

I installed an Intel 330 SSD (120GB) in my MacBook (4,1) a few weeks ago. I reinstalled a fresh Mac OS X Lion (10.7.4) to make sure there are no issues with the new drive. However, since then I ...
7
votes
1answer
3k 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 ...
3
votes
3answers
7k 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
0answers
21k views

Macbook freezes when connected (connecting) to new wireless router

So I have done extensive troubleshooting for my problem. When we moved to our new apartment and had a new fiber optic internet set up with, which came with a new wireless router, all the trouble ...
3
votes
1answer
1k views

What's causing my MacBook to freeze and reset keyboard settings when I bring it back from a long sleep?

The problem: I recently got a 2018 15-inch MacBook Pro running MacOS 10.14.2 (Mojave). I'm running into a really long freeze when I bring it out of a long sleep (e.g. by opening the lid after ...
3
votes
1answer
3k views

How can I get my MacBook to stop freezing after I switch back to Mac OS from Windows 7 in Bootcamp

I have a problem I could not find anywhere else. Maybe somebody here has an idea on how to solve it. I have a MacBook Pro, early 2011, 2.2 GHz i7 with the AMD Radeon HD 6750M and 1680 x 1050 display. ...
3
votes
3answers
3k 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
2answers
498 views

Boot screen hangup after upgrade from El Capitan to Sierra

I have a late-2011 15" MBP. Yesterday I decided to upgrade from El Capitan to Sierra. As it turns out, that was not a good idea: the Installation worked, but now after the first reboot, the machine ...
2
votes
2answers
2k 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?
1
vote
0answers
13k views

Various apps (phone, calender, etc.) on iPhone 7 freezing randomly

I got an iPhone 7 that has a freezing issue with the Phone app. I purchased it directly from Apple and use it on Verizon's network. During the purchase, Apple.com asked about transferring an existing ...