Mac os x 10.6.8 why do the fans keep coming on and computer slows down

mac os x 10.6.8 - Why do the fans keep coming on and computer slows down with coloured circle.

Use your Activity Monitor, sort the %CPU column to identify what process is hogging your resources.

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    the fan is very audible, and then winds down to almost quiet - why? how do i make the fans be quiet?

    hi, re my fans, this issue is about 1 week old and the machine is behaving normally.  However...the bottom of the machine is quite hot (but it has always been quite warm) and I do have my battery settings in preferences set to high performance (uses more memory.)  Also, I often stream video thru Firefox while working on medium/large Photoshop Docs as well as leaving ITunes or Preview open in the background.  Also, I leave my MacBook on continually...it's 3 years old...should I be concerned?  Is this issue indicitive of a battery problem or Sudden Computer Death Syndrome?

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    RoboHelp HTML, RH7
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    Hi there
    In addition to what Peter advised, my own guess as to why they are disabled (grayed out) is probably because you don't have more than one defined? It would make sense that unless more than one of each was present, they would be unavailable.
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    Helpful and Handy Links
    RoboHelp Wish Form/Bug Reporting Form
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  • Why does multi-colored spin wheel keep coming up and computer is unresponsive?

    I have a macbook pro 2.4 Ghz Intel Core 2 Duo with 4 GB.
    When I am on my user account and on safari and doing other things, the multi colored spin wheel always comes up usually every 20 seconds or so and my computer becomes very sluggish or unresponsive.
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    Bought this computer in May 2010

    That is the "Wait cursor". This indicates that computer is busy performing a task and it takes a while.
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    http://support.apple.com/kb/PH6844
    Best.

  • Why is the "Sign Document" grayed out and unusable on my Mac?

    Why is the "Sign Document" grayed out and unusable on my Mac?  Please help.

    Check this it maybe the problem
    Settings > Messages > MMS Messaging > is it on?
    Hope that helps

  • Why does the fan run for long periods on macbook pro

    why does the fan run for long periods on macbook pro?

    to keep the internal components of you mac at a safe operating temperature.

  • HT201415 why is my iphone keep comeing on in off

    why is my ipod keep coming on in off

    A SMC reset could resolve this issue - Intel-based Macs: Resetting the System Management Controller (SMC) - Apple Support

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    why does my photoshop keep giving black and white lines when I use my lasso tool? It has never done this before last night. It filles the Whole lasso seleted box with (what it almost looks like) black and white caution lines. then when I go to zoom out, my zoom option starts to mess up where you cant click and move your mouse to zoom in/out with ease but where you have to click to zoom out (many times).
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  • My mac book pro will not start, i hear the fan sometimes but nothing else

    my mac book pro will not start, i hear the fan sometimes but nothing else

    What is the exact model of your Macbook Pro?

  • Why does the English keep defaulting back to US and not British

    Why does the English keep defaulting back to US and not British.
    This is clear enough it does what it says in English British English

    Where do you get this problem?
    Is this with the spell checking dictionary or with the language setting?
    *Tools > Options > Content > Languages
    If you do not keep changes after a restart or otherwise have problems with preferences, see:
    *http://kb.mozillazine.org/Preferences_not_saved

  • Why is the fan noisy on iMac? And how do I stop the noise?

    Why is the fan noisy on iMac monitor and how do I rectify the problem?

    Please do 2-3 SMC resets. If you don't know how please click Intel iMac SMC and PRAM resets for instructions.

  • Why would the fan on my macbook be constantly runs, even when no applications are running.  Why?

    Why would the fan on my MacBook constantly run?  Even when I have no applications running?  Is there a way to determine what is causing this to happen?

    JAWade, try resetting the SMC and pram. Not always, but often those resets help problems like yours. Follow these instructions exactly.
    To reset the SMC
    Shut down the computer.
    Unplug the computer's power cord.
    Wait fifteen seconds.
    Attach the computer's power cord.
    Wait five seconds, then press the power button to turn on the computer.
    Resetting PRAM and NVRAM
    Shut down the computer.
    Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
    Turn on the computer.
    Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
    Hold the keys down until the computer restarts and you hear the startup sound for the second time.
    Release the keys.

  • HT1349 When I start my I Mac desktop the fan keeps running loudly.  Can't get it to turn off.

    When I start my I Mac desktop the fan keeps running loudly.  How do I get it to stop?

    Hello there, Jacquefromaz.
    The following Knowledge Base article reviews the steps to perform a reset of the System Management Controller (SMC):
    Intel-based Macs: Resetting the System Management Controller (SMC)
    http://support.apple.com/kb/ht3964
    Thanks for reaching out to Apple Support Communities.
    Cheers,
    Pedro.

  • Tried opening my Mac in safe mode SMS mode. And pram mode. It acts like it is going to start up the gets about 10 percent through the grey start up box and then suts down

    Tried opening my Mac in safe mode SMS mode. And pram mode. It acts like it is going to start up the gets about 10 percent through the grey start up box and then shuts down. Any other thoughts?  Thanks

    Douglaslouis,
    which model Mac do you have, and which version of OS X is installed on it?

  • TS3276 hi after updating to Mountain Lion, it becomes difficult to quit Mail, always have to Force Quit. And while Mail is on standby, the fan keeps on running full power, the laptop is hot. Why is this happening?

    hi after updating to Mountain Lion, it becomes difficult to quit Mail, always have to Force Quit. And while Mail is on standby, the fan keeps on running full power, the laptop is hot. Why is this happening?

    If your computer was hot it wasn't asleep - it either didn't go to sleep or it work up after you put it to sleep. I've seen both things happen. First, read this article and follow the instructions.
    1) For the next few days/weeks pay attention to the blinking light on the front of your computer when you close the lid. Don't put the computer into your backpack/case until it begins to blink. Wait a minute or so after it starts to blink to make sure it doesn't stop blinking - the signal it woke back up.
    2) having followed the above instructions, if you take the computer out and it is hot again or if you take it out and discover it has powered down (you'll know this because when it starts up the battery will be drained and you'll see a progress bar over a ghostly display that will eventually become normal) immediately start the Console program and perform a search on 'sleep' and then 'wake'. This should bring up all the recent log files about sleep state changes (going to sleep and waking up). You should see one for when you put the computer to sleep and put it away and the next one should be just after you got it out. You'll find at least one though that shouldn't be there. That will tell you when the computer work up (when it shouldn't have) and might give a clue as to why.
    One of the whys could be a magnet that is making the computer think the lid has been opened.

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