tomstephens89

Q: OSX Yosemite Wifi issues

Hi there,

 

I upgraded my Macbook Pro Retina 15" (mid 2014 revision) to OS X Yosemite last night and am now having issues when using my home WiFi connection. Whilst it connects to either the 5Ghz or 2.4Ghz network, it is basically unusable. Web pages take minutes to load (if they even load at all), dropbox doesn't sync because it can't get a connection and even trying to get to the router config page is extremely slow and hit/miss.

 

Tethering to my iPhone seems to work ok, as does using my home network via wired ethernet.

 

Are any others having problems with Yosemite? Wifi was working fine on Mavericks.

 

Tom

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

Posted on Oct 17, 2014 12:37 AM

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Q: OSX Yosemite Wifi issues

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  • by NosTech,

    NosTech NosTech Nov 18, 2014 7:03 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 7:03 AM in response to tomstephens89

    Same Macbook Pro Retina, actually I hadn't much trouble before using 10.10, just upgraded to 10.10.1 and now my connection has become incredibly slow (comparable with the old 56k modems, luckily it doesn't drop all the time, as I've read in some other posts). Tried restarting my Macbook router etc, but all stays the same (other devices are working at full speed). So indeed things have certainly become worse then it was before. I hope they fix this soon. First the RJ-45/ethernet port is removed from the devices, so you totally depend on wifi, and then this happens...

  • by Panthertiger,

    Panthertiger Panthertiger Nov 18, 2014 7:16 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 7:16 AM in response to tomstephens89

    Hi, I am still (after Update 10.10.1) having problems with Wifi, Bluetooth, Keychain, Handoff never worked, I tried to connect my iPhone (5s) with my MacBook Pro (2013) – it says, "not supported device", it is sooo annoying and disappointing.

  • by maniacomer,

    maniacomer maniacomer Nov 18, 2014 7:26 AM in response to Savo9
    Level 1 (0 points)
    Nov 18, 2014 7:26 AM in response to Savo9

    I have the same issue and try your solution - it works!!

    1. Resetting the System Management Controller (SMC)

    2. Reset your computer’s PRAM

     

    Do both on restart your mac.

  • by ayrtonf1,

    ayrtonf1 ayrtonf1 Nov 18, 2014 7:27 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 7:27 AM in response to tomstephens89

    Stil the same S**T.

    One month later, I'm starting to think Apple laught at us.

    Or they are completely lost.

     

    imac27,

     

    every sleep or shut down, needs a :

     

    click on wifi icon

    open network preferences

    assist me

    diagnostics

    continue

    continue

    always allow (in network diagnostics want to acces key... window pop-up)

  • by njohan,

    njohan njohan Nov 18, 2014 7:27 AM in response to Panthertiger
    Level 1 (0 points)
    Nov 18, 2014 7:27 AM in response to Panthertiger

    ... you must look how and witch account they are connected to... if it´s your E-mail/s or Phone numer, by then mean so your keychain, handoff will work. Because if they are connected differently.... in all your OS X/iOS devices then it will have hard to sync, the connection must be same... same e-mail or phone number.. and not.. "100 of different connection to your Apple-ID".

     

    Anyhow that what solved my problem with Handoff, in my older computers to my iOS devices.. and also my iOS devices had different connection types as priority one, two, three and so on.

     

    And also started a "new-life" with my latest Apple computer... fresh install with everything (-7 years ago last time, or 4 OS X ago) :-)

  • by Ron R,

    Ron R Ron R Nov 18, 2014 7:51 AM in response to njohan
    Level 2 (325 points)
    Notebooks
    Nov 18, 2014 7:51 AM in response to njohan

    10.10.1 fixed the wifi issue. I had minor random wifi drops with Yosemite prior to the update. now it's smooth sailing.  Very quick and responsive. 

  • by shumo1,

    shumo1 shumo1 Nov 18, 2014 8:01 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 8:01 AM in response to tomstephens89

    I just did the update on my iMac 27" and all I get is silver screen.

    Was having wi-fi issues, but now can't even see anything. Why can't they get this right?

    Restoring from time machine. VERY DISAPPOINTED!

  • by njohan,

    njohan njohan Nov 18, 2014 8:12 AM in response to shumo1
    Level 1 (0 points)
    Nov 18, 2014 8:12 AM in response to shumo1

    Remember always to do an.... "Repair permissions" to your OS X, before you do an OS update :-)

    And also you can do this after the update.

     

    Otherwise always good to do this once a month, to make the "repair permissions"


    (sorry about the text on pic, its in Swedish) This is the "Disk Utility", you can find it in spootlight

    repair.png

  • by WilmBilly,

    WilmBilly WilmBilly Nov 18, 2014 8:27 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 8:27 AM in response to tomstephens89

    I have problem with Wi-Fi issues after I got OS X Yosemite upgraded.. I have no problem with I-Pad and I-Phone on Wi-Fi.  how could we fix this situation?

  • by Mike_Ritter,

    Mike_Ritter Mike_Ritter Nov 18, 2014 8:38 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 8:38 AM in response to tomstephens89

    My WI FI worked fine at home (Airport router) but failed at my University office. I just tried this and it works for me:

    System Preferences > Network > Advanced: Click the checkbox next to “Require administrator authorization to: Change networks.”

    Click OK. Click Apply.

  • by bjelliot,

    bjelliot bjelliot Nov 18, 2014 9:07 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 9:07 AM in response to tomstephens89

    I have found success in changing up the DHCP IP allocation of my home's router - changed from 192.168.x.x to 10.10.x.x. I noticed that when I was connected to my home's network, there were several IP addresses that were being "remembered" from my work's router. These addresses were on a different subnet and my theory is that the my router was having a hard time figuring out what to do with these addresses.

     

    I was able to track down the issue by looking at my home's router "Attached devices" and noticed that there were some 192.168.76.x addresses (given to my iPhone and MBP at work) when my home router only allocates 192.168.1.x addresses.

     

    Just my working theory and this may help some people track down the issue along the way.

  • by InsufficientEvidence,

    InsufficientEvidence InsufficientEvidence Nov 18, 2014 9:27 AM in response to tomstephens89
    Level 1 (0 points)
    Nov 18, 2014 9:27 AM in response to tomstephens89

    Upgraded to Yosemite 10.10.1 (14B25).  It did not fix the (seemingly) random dropping of wifi.  Very disappointing. Ran an old ethernet cable across my house. My Macbook Pro is now just a tethered desktop.

  • by Csikós Péter,

    Csikós Péter Csikós Péter Nov 18, 2014 9:30 AM in response to Mike_Ritter
    Level 1 (0 points)
    Nov 18, 2014 9:30 AM in response to Mike_Ritter

    I have the same problem. After reseting everything and after a full install nothing changed.

    I have tried all settings, and still had the WIFI drop problem.

    Now it looks, the following made my WIFI nearly good again. (I just tried lots of settings, without any technical background)

     

    sudo sysctl -w net.link.ether.inet.max_age=1

     

    If I want to use SSH it still said broken pipe, but I can use my MacBookAir.

  • by kevinski_uk,

    kevinski_uk kevinski_uk Nov 18, 2014 10:06 AM in response to bjelliot
    Level 1 (0 points)
    Nov 18, 2014 10:06 AM in response to bjelliot

    I'm pretty sure this whole issue is around DNS and with everyone having some sort of success by changing configs and rebooting routers all they are really doing is causing cache's to be flushed but the issue still returns for many so it's got to be a bug in the way Yosemite is resolving DNS.

     

    my problem was solved by setting IPv6 to manual over a week ago and i haven't had a single issue since but as others have tried this without success they may have done things differently.

     

    I noticed when running nettop in terminal that an established IPv6 was causing connectivity to hang and was also the cause of the slow shutdowns and since setting IPv6 to manual or local on all my macs i haven't seen the established IPv6 connection since so have no idea what it was as i don't recall the port it was trying to use at the time

     

    The only other thing i did was to edit /etc/hosts which basically causes discoveryd to flush the hosts cache every time you boot your machine, so maybe this cache flushing helps, don't really know but these were the only things i did to get LAN and WIFI stable.

     

    This is the event you will see if you search for discoveryd  in Console after touching or editing your hosts file

     

    Basic DNSResolver etc/hosts file changed: Event 0x0 Flushed /etc/hosts cache

     

    Anyways all I'm really saying is, i believe it is a DNS bug that can't be resolved properly with just config changes.

     

    Also we shouldn't have to do anything to routers as they all follow a standard

  • by ecotecit,

    ecotecit ecotecit Nov 18, 2014 10:10 AM in response to kevinski_uk
    Level 1 (67 points)
    Wireless
    Nov 18, 2014 10:10 AM in response to kevinski_uk

    If can't be DNS, when the wifi drops nothing gets through, not even ICMP.

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