1. iMore Question's Avatar
    I have a 2008 & 2011 iMac. Both had Mavericks before I upgraded to Yosemite.
    I noticed in my Activity Monitor that I am getting "Google Chrome Helper not responding" everywhere. I noticed quite a sluggish response launching from window to window.
    What is causing this and what can I do to remedy this problem?
    10-21-2014 04:27 PM
  2. qbnkelt's Avatar
    I have a 2008 & 2011 iMac. Both had Mavericks before I upgraded to Yosemite.
    I noticed in my Activity Monitor that I am getting "Google Chrome Helper not responding" everywhere. I noticed quite a sluggish response launching from window to window.
    What is causing this and what can I do to remedy this problem?
    Although I haven't got an iMac, I would imagine that certainly in the case of the 2008 machine it would have to do with the age of the machine. I can't imagine that it would be optimised for an upgrade so many years later. What kind of sluggishness are you experiencing? Specific programs?
    10-21-2014 04:40 PM
  3. HankAZ's Avatar
    My wife's 2011 iMac (21") is fine with Yosemite. No sluggishness, no problems whatsoever.
    10-21-2014 05:01 PM

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