iMac 27 from Aug slow?

Discussion in 'iMac' started by DamonA, Dec 20, 2014.

  1. DamonA, Dec 20, 2014
    Last edited: Dec 20, 2014

    DamonA macrumors newbie

    Aug 4, 2010
    I have an iMac 27" that I'm generally happy with. The config is the following:

    • 3,5 GHz Quad-Core Intel Core i7, Turbo Boost ´ 3,9 GHz
    • 16 GB 1600 MHz DDR3 SDRAM - 2 x 8 GB
    • 512 GB SSD
    • NVIDIA GeForce GTX 780M w/ 4 GB GDDR5

    At times, this computer which is brand new turns out to be extremely slow. It can be everything frmo Safari freezing and refusing to shut down, to the App Store not responding and me opening the Force Quit Applications feature; and then that one freezes too..

    It's sort of annoying when you've shelled out €3000 for this computer.. Any ideas?

    I'm running Yosemite if that's relevant?
  2. Weaselboy Moderator


    Staff Member

    Jan 23, 2005
    Has it always done this, or can you think of something you installed that may have started this behavior?

    Try a boot to safe mode by holding the shift key when it boots. Does the problem go away in safe mode?

    Safe mode disable any startup or login items, so is a good way to test if one of those items is causing the problem.
  3. mmomega macrumors demi-god


    Dec 30, 2009
    DFW, TX

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