Wifi is terrible, excellent with Mountain Lion

Discussion in 'OS X Yosemite (10.10)' started by bontempi, May 24, 2015.

  1. bontempi macrumors member

    Joined:
    May 14, 2008
    #1
    Hi

    Yosemite really screwed my Macbook Pro 15" 2012 wifi connection.

    Connecting to the wifi is very slow, often fails. Then, wifi randomly stops working, sometimes i get a beachball and safari becomes unstable, the only fix is to disconnect the wifi and re-connect it. Airplay video performance is terrible, with very slow framerate and butchered sound. Problems appeared as soon as i installed Yosemite, and haven't been fixed by 10.10.3.

    I've installed Mountain Lion on a separate partition, and wifi is perfectly fine here, so is Airplay. Maverick was also fine, never had a problem.

    Any help ?
     
  2. Stylobic macrumors newbie

    Joined:
    Apr 7, 2015
    #2
    at least you have the possibility to install previous OS, I cannot on my 2015 macbook pro and have to live with this crappy wifi ! And if it was the only yosemite issue...
     
  3. ABC5S macrumors 68040

    Joined:
    Sep 10, 2013
    Location:
    Florida
    #3
    I'm using the most current Apple Extreme / Have the fastest DNS server / My router mode is DHCP & NAT / and changed my location to where I live in Network settings & using Yosemite , and not one issue to report.
     
  4. Taz Mangus macrumors 68040

    Taz Mangus

    Joined:
    Mar 10, 2011
    #4
    Try a little experiment:
    • Create a new partition on your internal hard drive.
    • Install a clean version of Yosemite to the new partition.
    • Boot to the new partition where you installed the clean Yosemite. Don't install anything new, leave Yosemite as a basic install.
    • Setup WiFi like you previously did. See if the WiFi issues still happens.
    • When you are done, boot back to your primary Yosemite partition and delete the new partition.
     

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