6 Replies Latest reply: Jul 10, 2013 8:17 AM by HunterBD
HunterBD Level 1 Level 1 (15 points)

Lots of spinning beach balls!

 

Why does this happen?

 

--

David B.


iMac, OS X Mountain Lion, +MS Windows 7 on personal laptop
  • 1. Re: Sometimes my computer is VERY slow! Why?
    William Lloyd Level 6 Level 6 (19,350 points)

    How many applications do you have running?  You may want to quit some.

     

    If you open up Activity Monitor (Applications/Utilities) you may get a hint as to what application is causing it.

     

    Are you running anti-virus software by any chance?  That's involved in an inordinately high percentage of slowdowns.

  • 2. Re: Sometimes my computer is VERY slow! Why?
    Eric Root Level 6 Level 6 (16,195 points)

    How much memory do you have (Apple Menu/About This Mac)?

  • 3. Re: Sometimes my computer is VERY slow! Why?
    Linc Davis Level 10 Level 10 (117,955 points)

    First, back up all data immediately, as your boot drive might be failing.

     

    There are a few other possible causes of generalized slow performance that you can rule out easily.

     

    • If you have many image or video files on the Desktop with preview icons, move them to another folder.
    • If applicable, uncheck all boxes in the iCloud preference pane.
    • Disconnect all non-essential wired peripherals and remove aftermarket expansion cards, if any.

     

    Otherwise, take the steps below when you notice the slowdown.

     

    Step 1

     

    Launch the Activity Monitor application in any of the following ways:

     

    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)

     

    ☞ In the Finder, select Go Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.

     

    ☞ Open LaunchPad. Click Utilities, then Activity Monitor in the icon grid.

     

    Select the CPU tab of the Activity Monitor window.

     

    Select All Processes from the menu in the toolbar, if not already selected.

     

    Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.

     

    Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?

     

    Next, select the Disk Activity tab. Post the approximate values shown for Reads in/sec and Writes out/sec (not Reads in and Writes out.)

     

    Step 2

     

    If you have more than one user account, you must be logged in as an administrator to carry out this step.

     

    Launch the Console application in the same way you launched Activity Monitor. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.

     

    Select the 50 or so most recent entries in the log. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V). You're looking for entries at the end of the log, not at the beginning.

     

    When posting a log extract, be selective. Don't post more than is requested.

    Please do not indiscriminately dump thousands of lines from the log into this discussion.

    Important: Some personal information, such as your name, may appear in the log. Anonymize before posting. That should be easy to do if your extract is not too long.

  • 4. Re: Sometimes my computer is VERY slow! Why?
    HunterBD Level 1 Level 1 (15 points)

    I have 4GB RAM - the maximum possible in this machine.

     

    Thanks for mentioning this though.

  • 5. Re: Sometimes my computer is VERY slow! Why?
    HunterBD Level 1 Level 1 (15 points)

    First - a major apology for my failure to respond and thank you for your comprehensive reponse, Linc.  There are lots of reasons but no excuses - I truly am sorry.

     

    I'll keep this short.

     

    I have now had my hard drive replaced - and all my problems have disappeared!

     

    You were 'right on the nail'!   10/10 

     

    Most folk, including AppleCare, didn't believe me when I put forward a failing disc as a reason for my spinning beachballs.  I shall come back here and ask for your advice again if necessary!

     

    Very many thanks for your help, Linc!

     

    BD

  • 6. Re: Sometimes my computer is VERY slow! Why?
    HunterBD Level 1 Level 1 (15 points)

    I appreciate your comment, William. Thank you. 

     

    I do understand that having too many applications running slows down a machine.

     

    I have run an AV on this machine, but am not doing so right now.

     

    As you'll note, replacing my hard drive has solved all my problems.

     

    Kudos to Linc Davis!