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lags imac 2015 system

  1. limbov

    Problem with iMac 27 mid 2015

    Hi. I bought iMac mid 2015 27" and computer is lagging a lot. My brother iMac from 2009 is more smoth... All I already done : -Reinstall system - erase harddrive -first aid hard drive This is my first time with apple computer. Any ideas what's wrong with it?
    • limbov
    • Thread
    • lags imac 2015 system
    • Replies: 30
    • Forum: iMac
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