GalagBasha

Q: Yosemite (OS X 10.10) killed my WiFi :(

I just updated to Yosemite on a brand new 15" MBP Retina Display. For some reason my WiFi is not working. I turn it on and select the network I want to join (my regular network at home that I've been using with this same computer before updating). So, I turn it on and select the network and doesn't seem to want to join it and then my WiFi switches back off completely.

 

Is anyone else having problems with their WiFi on Yosemite?

MacBook Pro (Retina, 15-inch, Mid 2014), OS X Yosemite (10.10)

Posted on Oct 16, 2014 5:46 PM

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Q: Yosemite (OS X 10.10) killed my WiFi :(

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  • by iMarxell,

    iMarxell iMarxell Oct 25, 2014 12:05 PM in response to GalagBasha
    Level 1 (0 points)
    Oct 25, 2014 12:05 PM in response to GalagBasha

    Try installing Java 8. Download the Mac version from another device and transfer via USB drive (copy and paste) http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.h tml

  • by Curveuk,

    Curveuk Curveuk Oct 25, 2014 3:46 PM in response to iMarxell
    Level 1 (0 points)
    Oct 25, 2014 3:46 PM in response to iMarxell

    I had the problem with failing wi-fi after waking from sleep on a MacBook Pro (mid 2012).

     

    Tried many of the solutions described in this thread - the one which worked for me was disabling iCloud Drive, so it seems that that feature can also somehow mess up wi-fi....

  • by smilingatlast,

    smilingatlast smilingatlast Oct 25, 2014 6:17 PM in response to GalagBasha
    Level 1 (0 points)
    Oct 25, 2014 6:17 PM in response to GalagBasha

    Wow!  And I thought it was just me.

     

    I upgraded my late 2013 MBP (retina display, full flash memory) from Mavericks to Yosemite about a week ago, and ever since I've had bad wifi problems. 

     

    Interestingly, the wifi problems occur only at certain locations, such as a nearby Starbucks in a Harris-Teeter store.  It used to work perfectly there for hours on end. Totally glitchless.  Now I get 15 or 30 "good" minutes of wifi access before it starts dropping the connection every 30 seconds.  At that point, I have to pack up and go home.

     

    Very frustrating.  I will need to go back to Mavericks unless Apple figures out what's going on soon. 

     

    I'm sorry I upgraded!!!  Fix it, Apple!

  • by nigelgreenlee,

    nigelgreenlee nigelgreenlee Oct 25, 2014 6:48 PM in response to smilingatlast
    Level 1 (70 points)
    Oct 25, 2014 6:48 PM in response to smilingatlast

    There is an interesting article published on this with some fixes-some of this is different to advice i have seen on here http://osxdaily.com/2014/10/25/fix-wi-fi-problems-os-x-yosemite/?utm_source=feed burner&utm_medium=twitter&utm_campaign=Feed%3A+osxdaily+%28OS+X+Daily%29

  • by Loner T,

    Loner T Loner T Oct 25, 2014 7:15 PM in response to smilingatlast
    Level 7 (24,394 points)
    Safari
    Oct 25, 2014 7:15 PM in response to smilingatlast

    smilingatlast wrote:

     

     

    Interestingly, the wifi problems occur only at certain locations, such as a nearby Starbucks in a Harris-Teeter store.  It used to work perfectly there for hours on end. Totally glitchless.  Now I get 15 or 30 "good" minutes of wifi access before it starts dropping the connection every 30 seconds.  At that point, I have to pack up and go home.

     

    Very frustrating.  I will need to go back to Mavericks unless Apple figures out what's going on soon.

    I am at a friends house with Yosemite DP6. He has a dual-band Cable company router/gateway. It has two SSIDs, once is 2.4G/20Mhz, the other is 5G/40Mhz.

     

    http://i.imgur.com/dD1LHTl.png

     

    Every time I connect to the 5/40 SSID (same as the 2.4/20 SSID), It drops every 30-60 seconds. the 2.4/20 works perfectly. Apple gear has had issues for a long time with 40Mhz channels. At home, I have all Apple TC dual-band units, which do not have this configuration, and I do not have any WiFi issues either.

     

    Next time the SSID that gives you a problem, just alt+WiFi icon and note what band/width the SSIDs. Correlating these should help provide a better technical input for Apple to provide a fix.

  • by bam.86,

    bam.86 bam.86 Oct 25, 2014 7:19 PM in response to Curveuk
    Level 1 (0 points)
    Oct 25, 2014 7:19 PM in response to Curveuk

    Tried this and it actually worked. I don't know for how long, though. Had to re-install Yosemite because I moved around some of the system files and the computer stopped registering thumb drives. Apple really missed with this new OS. I hope they soon will make an update to fix any and all bugs.

  • by DenisTsv,

    DenisTsv DenisTsv Oct 26, 2014 1:02 AM in response to GalagBasha
    Level 1 (1 points)
    Oct 26, 2014 1:02 AM in response to GalagBasha

    Epic fail! I found a solution for myself! Turn off Bluetooth! Now magic mouse can be thrown away! Bravo, apple!!!

  • by ecotecit,

    ecotecit ecotecit Oct 26, 2014 2:43 AM in response to DenisTsv
    Level 1 (67 points)
    Wireless
    Oct 26, 2014 2:43 AM in response to DenisTsv

    Holy smoke Batman.

     

    Just messing about and am using an Ethernet to Thunderbolt connection, and my god it flies, it's like having a different machine, no lagging when viewing pages, DNS works and I've got a decent speed.

  • by Ingo62,

    Ingo62 Ingo62 Oct 26, 2014 3:53 AM in response to GalagBasha
    Level 1 (1 points)
    Oct 26, 2014 3:53 AM in response to GalagBasha

    SystemConfiguration is not a file for me but a folder. is deleting the folder and *all* files in there really intended?

  • by Timmmmyyyyy,

    Timmmmyyyyy Timmmmyyyyy Oct 26, 2014 10:09 AM in response to GalagBasha
    Level 1 (10 points)
    Oct 26, 2014 10:09 AM in response to GalagBasha

    It's the backing up to the Time Capsule that kills it for me. I've tried a few of these but no luck. Tried to run a back up and it went.

     

    For the moment, I'm backing up somewhere else.

     

    Hope that helps.

     

    Tim

  • by stepbate,

    stepbate stepbate Oct 26, 2014 10:30 AM in response to GalagBasha
    Level 1 (0 points)
    Oct 26, 2014 10:30 AM in response to GalagBasha

    The best advice for those experiencing wifi instability issues after a Yosemity OX upgrade is to visit your local Apple Store. The staff there are can fix the problem in seconds, but because it's NOT an official Apple fix, it's apparently been kept under wraps.

  • by kunau,

    kunau kunau Oct 26, 2014 2:11 PM in response to GalagBasha
    Level 1 (4 points)
    Oct 26, 2014 2:11 PM in response to GalagBasha

    This did not work for me. Done a second time, and reset PRAM, still not working.

  • by eddiefromglasgow,

    eddiefromglasgow eddiefromglasgow Oct 27, 2014 9:06 AM in response to kunau
    Level 1 (0 points)
    Oct 27, 2014 9:06 AM in response to kunau

    I was tearing my hair out with the wi-fi dropping every 30 secs, the only way I could fix it is to close my uTorrent, wi-fi has not dropped once since I closed it down, only drops when I start running it again, Tried changing to Bit Torrent and this is the same.

  • by peper-,

    peper- peper- Oct 27, 2014 10:06 AM in response to eddiefromglasgow
    Level 1 (0 points)
    Oct 27, 2014 10:06 AM in response to eddiefromglasgow

    Torrents heavily load network connections, cause they establish not one, but many connections at a time. So (and it is pretty often) router itself, but not Mac, can be a problem in your case. While I personally prefer to delegate torrents download to NAS (Synology in my case), which has gigabit wired connection to the router and works very nice with such tasks, could also recommend you at least to use wired connection for torrents even when downloading directly to Mac.

  • by peper-,

    peper- peper- Oct 27, 2014 11:20 AM in response to GalagBasha
    Level 1 (0 points)
    Oct 27, 2014 11:20 AM in response to GalagBasha

    Majority of issues which are reported here, are somehow connected with bluetooth (or technologies, using it, like Handoff, AirDrop, BT mouse, etc.).

    Two variants are possible:

    1) Either Apple developers, while working on all this cool new features, messed smth in underlying bluetooth/wi-fi firmware and drivers. This is unpleasant, but not fatal. In such a case it could be repaired with software update in the (nearest) future. Just report this to http://bugreport.apple.com. The more users report it - the sooner it will be sorted out.

    2) Or this is some hardware issue with Wi-Fi/Bluetooth in Macs, that shows itself under heavy load of Bluetooth (e.g. encryption). Not sure, if these two use the same hardware chip, but they can at least use the same antenna. This problem was not common before, cause not so many users of MacBooks use BT devices like Mighty Mouse (and mouse can be pretty lightweight device for bluetooth to work with). And now this became "visible" problem, cause Apple rolled-out these new features in Yosemite (Continuity, Handoff, AirDrop, Instant HotSpot, etc. all using BT) which a decent number of users are trying to check. Still, I hope this is only software issue and can be fixed.

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