OS X Yosemite :: Fast User Switching Cause System Hang
Nov 30, 2014
After upgrading to Yosemite, I had very serious problems with fast user switching. I do software development using my BackBook Pro, I need to switch between different accounts for testing/debugging purposes.
As long as I use fast switching, I will eventually have a system hang when logging out, login or shutting down. I either got blank screens, or dead login screen. In the end, I had to press the power button for 3 seconds to do a brute cold power off.
Info:
MacBook Pro
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Nov 27, 2009
Is there anyway to logout a user whos logged in through fast user switching.Mrs has used the pc and left herself logged in so its running slow and annoying me, but I dont know her password.I thought maybe kill the loginwindow process but thats shown as under my account (which is also logged in)
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Nov 23, 2010
I'm using a 2.33 GHz MacBook Pro running the latest version of SL. I periodically like to step away from my desk, so I'll click on my name in my Mac's menu bar to initialize 'fast user-switching', so that no one could use my computer without entering a password (similar to "lock" in Windows XP+). When I log back in however, I find that the desktop background that I had set was automatically changed to the default SL background. Could any of ya'll provide an explanation as to why this happens?
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Jul 1, 2008
Ever since "upgrading" to 10.5.4 yesterday, fast user switching has been having problems. Randomly, when I change to another account (all are password protected), it will just instantly log me out, without even trying to close apps etc. - it literally takes it a second to log out, then I have to go back in and log in from scratch.
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Jan 10, 2009
is it possible to enable fast user switching without having to enter a password?
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Feb 1, 2010
I have a quick question on how "Fast User Switching" is implemented in OS X. I have added an account in OS X yesterday for my wife, and I have enabled fast user switching.Now, what I wonder:- Do my downloads continue when my wife switches to her account? Example: Transmission (bittorrent), will it continue with uploading/downloading when my wife switched to her account?
- Do my applications continue to run when my wife switches to her account? Example: Handbrake (converting a movie). Will it continue with converting while my wife switched to her account?
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May 16, 2010
When I'm logged in as root I notice the fast user switching menu doesn't display the short or full name, just a blank space. In my regular account, it does. Is this normal?
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Jan 28, 2009
I used FUS years ago, but I can't get it to work now. I clicked Login Options in the Accounts preferences pane, and checked Use Fast User Switching. But when I log off any user, it closes all the applications and actually logs out. And when I switch back to any user, it loads all the apps from scratch and starts them up again. And when I log out as user X and log in as user Y, if I execute who, I see indeed that user X is not logged in
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Jan 26, 2007
I was switching between accounts. When I switched to my admin account, the computer went to the original welcome to your new mac set up video with all the welcome words in different languages, then started with the new mac set up stuff, ie, what's your name, etc. I tried apple Q but that didn't work, so I restarted the computer with control, apple, start. Now my computer just shows the white screen with apple and the round spinning circle.
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Sep 2, 2010
previously i have a problem for unable to login after my MBP hanged and restart.
i search online and found a solution to it which is to remove ATIRadeonX1000.kext . however by doing this there is a lot of inconvinent for me.
so i would like to ask if there is anyone here who has got a better solution?
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Aug 14, 2009
When the MBPs came out with the dual graphics cards, people believed that they would be able to fast-switch between then. However, this is not the case; a logout-login is required to switch between the 9400M and 9600M GT on the MBPs. It was thought with the release of Snow Leopard this would be fixed.
So, has it been? will it be? Any word on using both graphics cards at the same time to boost performance?
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May 16, 2009
I was watching WWDC 2003(panther intro) this morning, and I only just learned about Fast Account Switching from it. So, right after watching, I went to system preferences and enabled fast switching. However, right after I did this, my iMac made an unusually loud whir, which I assumed was the hard drive loading some files, although I have never heard it do this before. After about a minute of hearing this, I assumed that something was wrong, and I quit all applications other than system preferences, and when it didn't stop, I disabled Fast Switch. The iMac quickly quieted down. After thinking about it, I realized that I only had 1GB of RAM in the machine, which may cause the system to use virtual memory. Would having 2GB or even 4GB make this not happen, or would I need more than that? I never have noticed the iMac lagging in other areas, but would RAM help in general tasks too?
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Oct 16, 2009
My SL was working perfectly until yesterday. I got my late 08 UMBP back from AppleCare without any replacement (see post here). They just run a kind of apple test suit on an external OSX, I guess they booted from a firewire disk.
Anyway, now I getting very often a system hang with a spinning wheel. When I try to repair permissions in the Disk Utility, the progress it stays like 10 minutes on the same place at the very beginning, then spinning wheel again then the system doesn't react. I can move the mouse that's all.
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Jun 26, 2009
heavily cycled battery began to reveal age when low battery warning stopped appearing. next the battery revealed age by displaying incorrect charge status percentages. finally, the system froze (pointer did not move) so battery was replaced. system freeze continues to plague the Apple iBook G4 with 1.33 GHz PowerPC CPU and 1.25 GB of RAM. how to correct or just recover data from user folders
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Sep 13, 2010
What are the reasons and solutions for the slow running of a Mac OS X System? I did an archive and reinstall a while ago to solve a drag and drop problem but since then the systems sometimes gives me what I have learn is referred to as the spinning wheel of death. I have also read somewhere else that there is a folder named the Previous Systems folder which is supposed to be where everything from the previous system (before the archive and reinstall) is stored. It was advised that this folder be thrashed to get a faster system and avoid hangs but I am a bit reluctant to touch anything that may cause further problems.
My systems info: IMAC Version 10.5.8
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Dec 12, 2014
i bought my new MacBook Air last week and unboxed it today.
First problem I noted is that the clock time is 5 minutes fast. I don't know why.
I clicked "Set date and time automatically" (tried different servers), as well as having clicked "Set time zone automatically using current location". Still, the clock is precisely 5 minutes fast than it should be. The laptop IS connected to the internet and I have re-started it a couple of times. Still, 5 minutes fast.
Why is that the case? And how can it be resolved? (I would prefer not to manually reset the time).
(I am not transferring any files to this computer until the time issue is resolved because of concerns over time stamp).
Info:
MacBook Air (13-inch, Early 2014), OS X Yosemite (10.10)
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Dec 7, 2014
My network connection keeps switching to ethernet. When I open Network Utility, it shows the ethernet connected. I switch it to wifi and it keeps going back to ethernet.
Info:
MacBook Pro, OS X Yosemite (10.10)
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Jun 12, 2012
I have two users on my mac mini running OS X 10.7.4, both are administrators. When I click on my username in the upper right hand corner of the screen and select the second user, I can type in the password and "rotate" on over to the other user. However, from the second user account when I try and go back to the first user via the same process, no prompt appears when clicking on the user name from the drop down in the top right of the screen.
Info:
Mac mini (Mid 2011), Mac OS X (10.7.3)
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Apr 11, 2012
I've noticed this twice now, when I shut down my machine I always make sure its fully powered down, I then close the lid, now normally I let the macbook charge overnight, but the system on both occasions was fully charged, so I switched off the mains supply went to sleep and in the morning switched the plug on and picked up the mbp to check my emails, now the lid was down when I picked the system up but all of the sudden the apple logo lit up and the chime sound started and the system started up, the only issue is that when you open the lid you can see the logon screen but it's to dark to see anything but I can see outlines that indicate the system is at the logon screen. I'm a tad concerned that there might be a short on the casing to the power button, but it's odd that it only does it when I suddenly power up via the mains and not when on battery power? It's an Early 2011 MBP 13" intel i5 2.3Ghz 8GB corsair RAM 120GB corsair SSD.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Aug 9, 2009
Im downloading 2 torrents with Vuze, safari is playing youtube vids but somethings eating up my memory....
Memory:
Wired: 560 mb
Active: 1.2 gb
Inactive: 1.99 gb
Free: 12 MB
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Jun 20, 2012
My Macbook Pro working slow, is there any siti or software like "clean my pc" which is supported by apple to install to clean my Mac??
Info:
Mac OS X (10.7.4)
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Jun 10, 2009
Has anyone heard if OS X SL will allow on-the-fly switching between graphics systems in MBP (without having to log in/out)?
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Dec 27, 2008
Some screens of a recent DP showing SL: [URL]
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Dec 9, 2014
I accidentally added this user when I first setup the laptop, I tried so many ways and still couldn't delete it. delete it.
Info:
MacBook Pro with Retina display
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Nov 23, 2009
My iTunes 9.02 has become slow and wonky. Tons of Beach Ball. Running OSX 10.6.2 on a 3Ghz Quad Mac Pro and have about 8000 items in the library.
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Dec 1, 2014
There was one time where my wi-fi wasn't connecting so I tried to turn it back on. A window popped up but I had alrdy clicked enter before I read it, but it said something like "...will change settings, is that okay...?" And then wi-fi still would not connect. So I tried restarting my computer, but when it turned on, my user account did not show up and all there was on the screen was two boxes that asked for name and password. I was the only person using my macbook so I never set up a password for it.
Info:
MacBook Pro with Retina display
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Nov 30, 2014
I am running OS X Yosemite 10.10.1. I have two drives on my MacBook Pro 17-inch, mid 2010. One is 500 GB and one is 80 GB. The system was installed on the 80GB drive and my home folder was on the 500GB drive. Having the "Home" folder on a separate partition was causing all kinds of permission problems. So, I did a clean install of Yosemite and want to put everything on the 500GB drive.
When I go to restore from Time Machine, it tells me it can't restore the "Home" account because it is on a separate drive. Then, of course, I can't login to that account on the restored system – I get an error "can't log in to that account due to an error."
How do I restore and associate the backed up "Home" folder to the new "Home" account on the restored drive? The names of the users are exactly the same on the backup as on the "Home" account on the restored drive.
Info:
MacBook Pro, OS X Yosemite (10.10.1)
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Dec 6, 2014
change mouse settings from default for user Aswitch to user Bswitch back to user A changes to mouse settings have been wiped and the default mouse settings restored..I've tried various things with user A like logging off entirely, rebooting, even making other changes in the settings that require an admin password in the hope that this might force some sort of admin override
Info:
OS X Mavericks (10.9.5), 27" quad
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Dec 4, 2014
I'm trying to share my MBPr over my LAN with my windows 8 desktop. When i go to the file sharing options, under "Windows File Sharing" section, the user account i want to share (my main account) is greyed out, so I can not select it. The other user account is selectable though.
Any reason why I can't select my main account??
Info:
MacBook Pro with Retina display, Mac OS X (10.1.x)
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Mar 19, 2009
Can the Mac mini with 4GB of RAM run VMFusion 2.02 with Windows XP Home properly without any problems? Is 2.0GHz fast enough, or even 2.26GHz fast enough for VMFusion? Does the Mac mini have enough horse power to run Windows XP?
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