mattormond

Q: wifi keeps dropping since Yosemite upgrade

Since upgrading to Yosemite, my previously-stable (with Mavericks) wifi connection keeps dropping. I have to click the wifi icon and re-select my network every minute or two. I have turned off bluetooth and uninstalled/reinstalled wifi and my networks. I have rebooted multiple times. No luck so far. It appears that others are having similar problems. Any solutions at this point?


Early 2013 MacBook Pro Retina 13" running OS X Yosemite 10.10

MacBook Pro with Retina display, OS X Yosemite (10.10)

Posted on Oct 16, 2014 11:23 PM

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Q: wifi keeps dropping since Yosemite upgrade

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  • by yesnoj,

    yesnoj yesnoj May 31, 2015 11:14 AM in response to mattormond
    Level 1 (0 points)
    May 31, 2015 11:14 AM in response to mattormond

    Apparently the solution of lisa is working...hope this is the final fix!For now thanks lisafrommishawaka

  • by cabakroll,

    cabakroll cabakroll May 31, 2015 12:13 PM in response to mattormond
    Level 3 (840 points)
    May 31, 2015 12:13 PM in response to mattormond

    one of solutions to fix is to replace discoveryd service with mDNSresponder

    http://arstechnica.com/apple/2015/01/why-dns-in-os-x-10-10-is-broken-and-what-yo u-can-do-to-fix-it/

     

    or jus wait till 10.10.4 where fix are included

  • by yesnoj,

    yesnoj yesnoj Jun 1, 2015 2:30 AM in response to mattormond
    Level 1 (0 points)
    Jun 1, 2015 2:30 AM in response to mattormond

    Just talk with Apple support, that is great, this solution of delete the folder suggested by lisa is the LAST attempt if other fails...so...i think that this is the solution for this problem.

  • by Msdong,

    Msdong Msdong Jul 14, 2015 7:56 PM in response to Carolyn Samit
    Level 1 (0 points)
    Jul 14, 2015 7:56 PM in response to Carolyn Samit

    hi, it solved my problem temporarily  but yes, new folders are generated each time i restart my computer. so is there a final solution for the problem?

  • by sahalt,

    sahalt sahalt Jul 15, 2015 10:58 AM in response to Msdong
    Level 1 (0 points)
    Jul 15, 2015 10:58 AM in response to Msdong

    I have been trying to solve this problem for months.  I just installed 10.10.4 and it seems to solve the problem!

  • by pieter70nl,

    pieter70nl pieter70nl Aug 21, 2015 4:24 AM in response to mattormond
    Level 1 (0 points)
    Aug 21, 2015 4:24 AM in response to mattormond

    I wonder, did anyone tried an external USB WiFi dongle?

     

    I have this problem also and I am willing to spend some little money, disable the onboard WiFi adapter and go with the dongle (they are small).

  • by unbelievablejeff,

    unbelievablejeff unbelievablejeff Sep 4, 2015 10:31 PM in response to mattormond
    Level 1 (0 points)
    Sep 4, 2015 10:31 PM in response to mattormond

    I was having this problem for ages but only at home and have fixed it today. Please note for me the wireless dropout was only on certain networks, for instance it didn't happen when I connected to my work network.

     

    Please note I tried the deleting the system prefs suggested above and it didn't work. I reinstalled the whole OS X Yosemite and it didn't work.

     

    I am in the UK and have BT broadband, they supply the wireless router. As default the routers work at 2 frequencies, in this case 2.4GHz and 5GHz. As default your devices can jump across from both, however some Apple devices have an issue with this. To fix this, there is a setting on the router that you can split the frequencies so in essence you have 2 wireless networks with 2 SSIDs one at 2.4GHz and one at 5GHz. Once you do this and apply it the problem disappears.

     

    Please see there full technical instructions here http://bt.custhelp.com/app/answers/detail/a_id/44798

  • by FIRSACHI,

    FIRSACHI FIRSACHI Sep 15, 2015 6:22 PM in response to unbelievablejeff
    Level 1 (0 points)
    Sep 15, 2015 6:22 PM in response to unbelievablejeff

    I was frustrating  to: I read every single comment, i did everything , i could..... Reset , reboot, PRAM, SMC, Automatically, channels change, nothing help I have Macbook. with Yosemite , my two other macbook air even i did upgrade them to Yosemite , still work fine, no random disconnect from WIFI. Also have in my household, windows based comp., three iPhones , all them work fine with existing Airoport extreme. My native language is russian, so idecide to go to russian sites and research there.... And that what i found! So far so good! Try this maybe it will help. Go to system preferences/ network/ advanced/hardware/configure/ (choose manualy)/ MTU (choose custom) type in 1453. and that should solve problem

  • by Pasi Kolkkala,

    Pasi Kolkkala Pasi Kolkkala Sep 16, 2015 3:27 AM in response to kultigin
    Level 1 (0 points)
    Sep 16, 2015 3:27 AM in response to kultigin

    I think I found a solution to my Wifi instability. I had over 100ms pings to local router and over 30% packet loss during those pings. The issue started after upgrading to Yosemite and has come and gone ever since, even after the 10.10.5 update.

     

    I was protecting my Yosemite box from the just disclosed AirDrop vuln and thought I'd disable my AirDrop peer-to-peer WiFi interface, and came across this post on Lifehacker http://lifehacker.com/fix-yosemite-wi-fi-issues-with-a-terminal-command-16634140 63

     

    And disabling/enabling AirDrop interface with sudo ifconfig awdl0 down and sudo ifconfig awdl0 up actually makes an immediate difference in the ping times (I have ping -i 0.1 <local router ip> running while I do this).

     

    Still on the fence about this, as the issue has always crept back after a few days, but this seems really promising

  • by Daniel tzhenyao,

    Daniel tzhenyao Daniel tzhenyao Sep 24, 2015 12:20 AM in response to mattormond
    Level 1 (4 points)
    Mac OS X
    Sep 24, 2015 12:20 AM in response to mattormond

    I have faced the similar problem and I solved it after watching a youtube video (link below)

    - Turn off wifi

    - Simply unplug power source and do a complete shut down

    - Then turn wifi back on

    - SOLVED!

     

    https://www.youtube.com/watch?v=jmkSp70kmiI

  • by tomasz290,

    tomasz290 tomasz290 Oct 12, 2015 4:29 PM in response to mattormond
    Level 1 (0 points)
    Oct 12, 2015 4:29 PM in response to mattormond

    Hey, Had exactly same issue. Tried all advice from this thread and nothing helped.

     

     

    What did it finally, was to go to network prefs / advanced ... and renew DHC lease.

     


    Hope will work for you too.

  • by MisterMojo,

    MisterMojo MisterMojo Oct 28, 2015 11:00 AM in response to mattormond
    Level 1 (0 points)
    Oct 28, 2015 11:00 AM in response to mattormond

    I am also having WiFi disconnects since upgrading to Yosemite. Mavericks worked just dandy. . . All my network hardware is Apple with up-to-date firmware.

     

    I tried logging-in via the Developer's Bug report page but it wouldn't accept my Apple ID. I assume that's because I'm not registered as a developer.

  • by MisterMojo,

    MisterMojo MisterMojo Oct 28, 2015 11:04 AM in response to mattormond
    Level 1 (0 points)
    Oct 28, 2015 11:04 AM in response to mattormond

    Within three minutes of running Wireless Diagnostics in monitoring mode I experienced a dropped connection. I did this while I was trouble shooting the problem and before I read your suggestion.

  • by exogen,

    exogen exogen Nov 12, 2015 11:05 AM in response to Carolyn Samit
    Level 1 (0 points)
    Nov 12, 2015 11:05 AM in response to Carolyn Samit

    Hi Carol,

    It worked perfectly for Beta El Capitan--iMAC--thanks a mill---

     

    Arnold

  • by ramsterine,

    ramsterine ramsterine Dec 6, 2015 8:49 AM in response to dannymd
    Level 1 (0 points)
    Dec 6, 2015 8:49 AM in response to dannymd

    I have tried everything listed on the internet. I ALSO tried power-cycle the modem and / or the router.


    IT WORKED.

     

    But there is one small problem...

     

    The problem comes back again once I close the lid of my macbook pro. It appears that every time my computer has awaken from its sleep, my laptop finds it so hard to connect to my wifi. The connection drops every 4 seconds.

     

    My temporary solution is:

     

    1) Keep resetting my router every time my laptop goes to sleep.

     

    2) Or, make sure my computer does not sleep at all.

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