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  1. #1


    Member Since
    Sep 06, 2008
    Posts
    783
    Specs:
    13" MBP - 2.7 Ghz, Intel Core i7, 8GB RAM.
    Firefox on Mac -- unusable?
    Everytime I fire this thing up my fan goes crazy while Activity Monitor's CPU lines fly off the charts. Is there a Firefox Lite or something to keep it from using so much system resources?

  2. #2

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,863
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Which version of Firefox is this? I am running the latest version of FireFox 3 here on an iMac G5 (Not even Intel) and it works great with no high CPU or Fans.

  3. #3

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Never had that problem before - and I've been using Firefox since I got my first Mac.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  4. #4

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,863
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Quote Originally Posted by cwa107 View Post
    Never had that problem before - and I've been using Firefox since I got my first Mac.
    I was thinking they were using some beta version or something. I can not remember any issues like his either from a release version anyway.

  5. #5


    Member Since
    Sep 06, 2008
    Posts
    783
    Specs:
    13" MBP - 2.7 Ghz, Intel Core i7, 8GB RAM.
    Quote Originally Posted by dtravis7 View Post
    Which version of Firefox is this? I am running the latest version of FireFox 3 here on an iMac G5 (Not even Intel) and it works great with no high CPU or Fans.
    The latest on a 1.83Ghz Intel

  6. #6

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by rsherid View Post
    The latest on a 1.83Ghz Intel
    Do you have any plug-ins installed?
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  7. #7


    Member Since
    Sep 06, 2008
    Posts
    783
    Specs:
    13" MBP - 2.7 Ghz, Intel Core i7, 8GB RAM.
    Quote Originally Posted by cwa107 View Post
    Do you have any plug-ins installed?
    Nope, barely had a chance to.

  8. #8

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by rsherid View Post
    Nope, barely had a chance to.
    Just a shot in the dark, but did you actually drag the Firefox icon into the Applications folder, or are you running it directly from the disk image?
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  9. #9


    Member Since
    Sep 06, 2008
    Posts
    783
    Specs:
    13" MBP - 2.7 Ghz, Intel Core i7, 8GB RAM.
    Quote Originally Posted by cwa107 View Post
    Just a shot in the dark, but did you actually drag the Firefox icon into the Applications folder, or are you running it directly from the disk image?
    Dragged into the Apps folder

  10. #10

    WolfsBane's Avatar
    Member Since
    Dec 21, 2007
    Location
    Treasure Valley, Idaho. US
    Posts
    406
    Specs:
    20" iMac 2.4GHz w/ WD My Book 500GB HDD. MacBook Pro 2.4GHz. iPhone 5, white, 16 Gigs.
    May need to do a clean re install of FF. I've been using FF 3.02 with no issues. The new beta 3.1b1 hangs up in rare occasions, but it is a beta version after all.

    Hope Springs Eternal
    Welcome... to the house of Rock and Jazz!

  11. #11

    docinsano's Avatar
    Member Since
    Mar 31, 2007
    Location
    Midwest
    Posts
    125
    Specs:
    PowerMac G4 MDD Dual 1.25 GHz, 1GB Ram, 80 Gig Hd, 200 Gig Hd; iMacDV 400Mhz 40GB 512Ram
    Hmmmmm....I've had similar problems with a PC, but never a mac... I second reinstalling Firefox. If that doesn't work, well, I don't know... I'm using 3.0.3 on a G4 and it doesn't rev up my CPU or fans, and I've had no other problems with Firefox other than it uses twice as much memory as it used to.....
    Dr. Insano, PhD
    Click, if you dare...

  12. #12

    XJ-linux's Avatar
    Member Since
    Jul 02, 2007
    Location
    Going Galt...
    Posts
    3,449
    Specs:
    MacBookAir5,2:10.9.5-MacMini3,1:10.9.5-iPhone6,1:8.4.1
    Firefox 3.0.3 on a new MBP with no issues. An earlier 3.0.x version (don't remember which) did the high fan thing to me on my previous MB. This caused me to switch to Safari. I recently reinstalled Firefox to version 3.0.3 because Safari was sitting on 300 to 400MB of RAM after running for a day or so. Firefox seems to use about half of that and does not seem to creep up the RAM usage as Safiri seems to do now. Odd as Safari has run just fine for a year or so. Thus far no fan issues but I just started using it again this past weekend.
    Never judge a man, untill you have walked a mile in his shoes...
    That way you'll be a mile away from him, and you'll have his shoes.

  13. #13

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,863
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    I know one of the BETA versions of Firefox 3 made my machine slow way down but nothing since the first official release of FF3 came out.

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