MacBook Air 2014 doesn't connect to internet after Mojave (wifi / LAN), super slow

Discussion in 'MacBook Air' started by Personal Jesus, Oct 5, 2018.

  1. Personal Jesus macrumors newbie

    Joined:
    Apr 27, 2015
    #1
    Hello everybody,

    so I recently installed Mojave on my 2014 MacBook Air, a few hours after it was available in the store. Didn't use it for a couple of days, and now I opened it up again and when I try to access the internet, Safari cannot find the server. It doesn't matter whether I go online via Wifi or use a LAN cable (with adaptor).

    Also, the MacBook is now super slow (I frequently get the spinning ball) and basically all of my apps don't open, crash when I try to open them or are incredibly laggy / unusable.

    What can I do besides installing a Time Machine backup / resetting my MacBook? Did any of you experience similar issues?

    (As I am writing this on my iMac, I am rebooting my MacBook Air and it takes >3 minutes already...)
     
  2. Audit13 macrumors 601

    Audit13

    Joined:
    Apr 19, 2017
    Location:
    Toronto, Ontario, Canada
    #2
    Did you perform an upgrade or clean install of Mojave?

    I upgraded my early 2015 Air from High Sierra and it seems the same in terms of boot times and speed.
     
  3. Personal Jesus thread starter macrumors newbie

    Joined:
    Apr 27, 2015
    #3
    I figured out what the problem was: Little Snitch wasn't ugpraded to the most recent, Mojave-compatible version. It caused my system to slow down massively, and somehow caused my MacBook not to connect to the internet anymore - which, of course, made it impossible for me to upgrade the app. I then downloaded the most recent LS version via my iMac and installed it on the MacBook, and now everything works fine.
     
  4. Audit13 macrumors 601

    Audit13

    Joined:
    Apr 19, 2017
    Location:
    Toronto, Ontario, Canada
    #4
    Thanks for posting your solution. Glad it's now sorted.
     
  5. Vlad.E. Suspended

    Vlad.E.

    Joined:
    Oct 4, 2017
    #5
    Do you find Little Snitch useful in day to day tasks??
     
  6. Personal Jesus thread starter macrumors newbie

    Joined:
    Apr 27, 2015
    #6
    These days - not so much. However, some time ago I frequently worked with software that, for reasons that I do not want to post publicly but I'm sure you can figure out anyway, I did not want to "phone home" ;-)
     
  7. Vlad.E. Suspended

    Vlad.E.

    Joined:
    Oct 4, 2017
    #7
    Got it, thanks.
     

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6 October 5, 2018