Desktop slow and jerky

Discussion in 'iMac' started by thewall, Mar 12, 2017.

  1. thewall macrumors member

    thewall

    Joined:
    Oct 2, 2007
    Location:
    U.K
    #1
    Over the last few days my iMac running El Capitan has started to perform actions slow and jerky,e.g when i open a tab it use to open straight away but now there is a delay and if i open an app from the dock it's not a smooth action but jerks in to action also when i wake from sleep i get a nearly black screen for about 5 secs before the login screen

    Screen Shot 2017-03-04 at 19.34.11.png
     
  2. MadDane macrumors 6502a

    Joined:
    Apr 5, 2015
    #2
    It could be early signs of a dying hard drive. What kind of drive do you have in your machine? Is is a spinning hard drive, SSD or both (Fusion Drive)?
     
  3. thewall thread starter macrumors member

    thewall

    Joined:
    Oct 2, 2007
    Location:
    U.K
    #3
    fusion drive

    Only had the iMac since May 16 from Apple
     
  4. Fravin macrumors regular

    Fravin

    Joined:
    Mar 8, 2017
    Location:
    Rio de Janeiro, Brazil
    #4
    It sounds like a memory issue.

    Could you check it? I would try to clean it with a rubber and reinserting them.
     
  5. thewall thread starter macrumors member

    thewall

    Joined:
    Oct 2, 2007
    Location:
    U.K
    #5
    Thanks Fravin i had a look at activity monitor and found a photo storage app stuck and using a lot of memory so binned that and things seem to be running good at the moment
     

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