Previous 1 2 Next 18 Replies Latest reply: Mar 2, 2010 10:45 AM by swimboy1
lover of mac Level 1 Level 1 (0 points)
my iMac is shutting down slowly, i have snow leopard on it 10.6.2 and for some reason its shutting down slowly mac OS X 10.6.1 shut down really fast can anyone help me resolve this issue

iMac 27 inch, Mac OS X (10.6.2), late 2009
  • Kenichi Watanabe Level 7 Level 7 (30,460 points)
    If you have not already, run Disk Utility and use +Repair Disk Permissions+ in the +First Aid+ tab. See of that makes any difference.

    Try starting up and waiting a few minutes (but not running anything). Then shut down before running anything. Does it shut down quickly or does it still take too much time?

    If it shuts down quickly, you may be running an application or some background process during normal use that is having a difficult time quitting during the shutdown process.

    If it still takes time to shut down, take a look at System Preferences Accounts pane +Login Items+ tab. Those are the items that start up and run automatically upon startup. Note if there is anything that has been added recently.
  • lover of mac Level 1 Level 1 (0 points)
    ive done all that stuff doesnt help
  • Kenichi Watanabe Level 7 Level 7 (30,460 points)
    Except for the +Repair Disk Permissions+, most of that was to help identify the cause. It's harder to fix a problem if the cause is not clear. And my mind-reading superpower is not working today...

    So if you shut down immediately after starting up, is there any difference in the shutdown delay?

    One more test... Create a new admin user account in System Preferences Accounts pane

    http://docs.info.apple.com/article.html?path=Mac/10.6/en/8235.html

    Log out and log in to the new account. Try shutting down from the new account. Is there any difference in the shutdown delay (or no delay)?

    If the delay goes away, the cause is likely to be something in your normal user account. If the delay is the same, the cause is likely to be at the system level. Either way, the answer will help narrow down the cause and make troubleshooting easier.
  • rkaufmann87 Level 8 Level 8 (46,160 points)
    +And my mind-reading superpower is not working today...+

    It might be time to have that looked at Kenichi!

    Roger
  • lover of mac Level 1 Level 1 (0 points)
    i tried a new account and same thing do ive been thinking its probably a bug in 10.6.2 maybe 10.6.3 will fix it or should i format the drive and reinstall OS X?
  • ScotMij Level 7 Level 7 (21,040 points)
    Possibly related (?), I mostly sleep my i7 and that takes 30 seconds or so. I have not yet tracked down a cause and the 30 seconds is consistent, even with no Applications open. I am curious rather than worried.
  • Kenichi Watanabe Level 7 Level 7 (30,460 points)
    So the problem seems to be at the system level, if it recurs in a new account.

    USB and FireWire devices can sometimes affect startup, shutdown, wake, and sleep, so you should try disconnecting everything (including any hubs) except for keyboard/mouse and see if that has any effect.

    Also, you can try doing a reset PRAM

    http://support.apple.com/kb/HT1379

    and if that does not help, reset SMC

    http://support.apple.com/kb/HT3964

    After the SMC reset, again try it with only keyboard/mouse connected. If the problem goes away, add your peripheral devices and check again.

    If the problem continues, one thing you can try short of reinstalling the OS, is to apply the latest combo updater manually. That would be for 10.6.2 and you can download it here

    http://www.apple.com/downloads/macosx/apple/macosx_updates/macosxv1062updatecomb o.html

    Even if you already have 10.6.2, running the combo will reinstall all the changes at once, and this can sometimes resolve hard to diagnose issues.
  • ScotMij Level 7 Level 7 (21,040 points)
    Kenichi, beware of the 10.6.2 combo and the latest iMacs. I tried that recently and it would not install. I tracked this to a different build number - my i7 is later, despite being 10.6.2.
  • Kenichi Watanabe Level 7 Level 7 (30,460 points)
    If the current iMac has a special build of 10.6.2, then it would be like trying to install 10.6.2 combo over 10.6.3. So I'm glad Apple prevents you from doing something that would be harmful.

    Thanks for pointing that out.
  • ScotMij Level 7 Level 7 (21,040 points)
    No problem - I only spotted this by trying the present combo to see what happened. The only niggling concern with my i7 is it takes 30 seconds to fall asleep. I thought the combo etc. ....
  • lover of mac Level 1 Level 1 (0 points)
    the combo does nothing its the same as the standalone update
  • lover of mac Level 1 Level 1 (0 points)
    what else can i do?
  • Kenichi Watanabe Level 7 Level 7 (30,460 points)
    If you have an external drive that you can erase, even a small one, you can do a test installation on that drive and boot from it. Otherwise, you can try what you mentioned yourself; back up your data, erase the internal drive, and reinstall the system. Either way, try a shut down when booted from a freshly installed system with no third-party software installed.

    I guess I would not notice a problem like this myself, because I rarely do a shutdown.

    For troubleshooting it some more before having to resort to a reinstall...

    Question #1: If you do a restart instead of a shutdown, does it take just as long to restart (hear the startup sound)?

    Question #2: If you log out, does it take just as long to log out and get to the Login Screen?

    Question #3: From the Login Screen (after logging out), if you do a shutdown, does it take a long time?
  • lover of mac Level 1 Level 1 (0 points)
    i finally got it fixed i just figured out what it was
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