5 Replies Latest reply: Jul 20, 2013 12:31 AM by Kappy
michaelv03 Level 1 Level 1 (0 points)

Hi

 

I deleted some very old back ups from my external hard drive. Now I cannot shut down my Mac Mini anymore, the only way I can do it is by pressing the 'off' button til it turns off. Please see attached screenshots of activity monitor. These are the programs that are running at the point of attempted shutdown. What could the culprit?

 

Any advice please?mac mini shut down issue 1.pngmac mini shut down issue 2.png


Mac mini, Mac OS X (10.6.4)
  • 1. Re: Cannot shut down my Mac Mini
    Kappy Level 10 Level 10 (226,775 points)

    Open Activity Monitor in the Utilities folder.  Select All Processes from the Processes dropdown menu.  Click twice on the CPU% column header to display in descending order.  If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar.  Click on the Force Quit button to kill the process.  See if that helps.  Be sure to note the name of the runaway process so you can track down the cause of the problem.

  • 2. Re: Cannot shut down my Mac Mini
    michaelv03 Level 1 Level 1 (0 points)

    Hi Kappy,

     

    Thank you for your detailed reply. I have done exactly as insturcted, but the highest CPU use is just 2,3 and it's something called 'kernel task'. Nothing higher than that.

     

    This problem first started, when I deleted back ups from over 12 months ago, which were clogging up my back up hard drive. I only deleted the 3 oldest back ups, not sure why that seem to have caused me this problem, but it appears that my shut down issue has something to do with me deleting the back ups. (??)

     

    Any ideas?

     

    Thanks in advance!

  • 3. Re: Cannot shut down my Mac Mini
    Kappy Level 10 Level 10 (226,775 points)

    Exactly where are these deleted backups? What made the backup? Were they made with Time Machine?

     

    Is "the highest CPU use is just 2,3" a typo?

  • 4. Re: Cannot shut down my Mac Mini
    michaelv03 Level 1 Level 1 (0 points)

    Hi,

     

    I mentioned 'the highest CPU use is just 2,3"' because I looked in the actual CPU column and there is gives the usage percentage, so the highest number I saw there was 2,3.

     

    However, there is a column next to it, called 'threads', there the numbers are higher. However, the CPU percentages range between '0' to max 2,3. In any case, I probably ,isunderstood something as yoy mentiioned that I should look for 'CPU time'. Which column shows the CPU time then. The screen shots I attached in my previous message pretty much show what I can see and the usage of various programs I have running. Please have a lookand advise- thanks!

  • 5. Re: Cannot shut down my Mac Mini
    Kappy Level 10 Level 10 (226,775 points)

    I suppose it's a type and was actually "2.3" but you must use a "," instead of the ".". Just my error.