imac 2013 8gb ram spinning rainbow

Discussion in 'iMac' started by auzzuro, May 16, 2015.

  1. auzzuro macrumors regular

    Joined:
    Apr 26, 2010
    #1
    hi recently i just transfer some mp4 file from thumb drive to my imac and still browsing the internet .. but some how it appear spinning rainbow for about 2 sec and after a while later it will reappear again...my friends told me that is because of laggingbut all i did was transfer file and surf internet that all. may i know anyone can help me with that and why is it so?
     
  2. cycledance Suspended

    Joined:
    Oct 15, 2010
    #2
    restart. if that doesn't help create a new user and log in there and see if the problem persists.
     
  3. auzzuro thread starter macrumors regular

    Joined:
    Apr 26, 2010
    #3
    may i know why is it so .... this the first time i move to apple computer .... just doing two things at the same time n it lag ...
     
  4. cynics macrumors G4

    Joined:
    Jan 8, 2012
    #4
    Which browser were you using when you were browsing the internet?

    Safari has some occasional strange lag. It should be able to be fixed with an update. Quite a few users have experienced it on here.
     
  5. redheeler macrumors 603

    redheeler

    Joined:
    Oct 17, 2014
    #5
    Does your iMac have an SSD?
     
  6. yjchua95 macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #6
    I don't think your Mac has an SSD, so lags are normal if you didn't go for the Fusion Drive or the SSD option.
     
  7. auzzuro thread starter macrumors regular

    Joined:
    Apr 26, 2010
    #7
    my imac has no ssd ... but the problem is just doing two things at a time it lag ... i seriously cant believe that .... my old acer window computer nv show lag just by doing two things at a time....by the way i was using safari to browse
     
  8. yjchua95 macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #8
    Believe it.

    My old early-2011 15" cMBP (quad core 2.3GHz i7, 16GB RAM, 1GB Radeon 6750M) lagged at doing just basic tasks because of a crappy HDD. Just one Safari window and having a Pages document open would bring it to its knees.

    I popped in a 512GB Samsung 840 Pro after that and it went lightning fast. Booting it up from a cold shutdown only took 11 seconds, and apps only bounced once or twice in the dock to open.

    Ever since Mavericks, OS X is pretty resource intensive and is heavily reliant on an SSD to work properly. If you noticed, all new Macs released in 2014 and onwards shipped with an SSD inside, or a Fusion Drive (except for the late-2014 Mac Mini). Which pretty much shows that Apple is not going to optimize OS X for HDDs.
     
  9. cynics, May 17, 2015
    Last edited: May 17, 2015

    cynics macrumors G4

    Joined:
    Jan 8, 2012
    #9
    I get the same with an SSD on my work iMac. I don't get it in Chrome. This is something I recently started experiencing in one of the Yosemite updates.

    IMO its kind of silly to blame browser lag on an HDD when you can watch it happening with 0 disk activity.

    EDIT: Not saying that an HDD can't cause lag but if we are talking with a strictly Safari only lag experience then its silly.

    EDIT EDIT: OP, I just had it happen so I played around with it for a minute. I found closing Safari and immediately reopening it fixes it. In my attempt to screen shot no disk activity during the issue I saw in activity monitor that Safari Web Content and Flash Plug in were not responding. Screenshots don't put the spinning beachball on the screen so a screenshot was pointless.

    Closing and reopening Safari clears that and it begins to function properly again. Although not saying much I am running the latest version of flash.

    Oddly enough what caused this to happen was a game crashing when I closed it (become unresponsive) so I force closed it. So I don't know if the game (Elder Scrolls Online) or Flash initiated the problem. I can tell you one of those 2 things I wish I didnt need on my Mac and its not ESO.
     

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