Q: OSX Yosemite Wifi issues

ANOTHER UPDATE.. I again have tried every attempt listed in the last 40 pages and not one thing has fixed my issue of no wifi after upgrading to 10.10. HOWEVER. What is ODD is that I just connected my VPN and I have internet!! This is odd. If I disconnect VPN I find I can ping (ie google.com) without a problem but browsing is crippled in safari and chrome. Connect VPN and all works as it should!

WHY IS THIS TAKING SO LONG FOR AN UPDATE/FIX!

Ha Ha - first time i have been able to laugh since this whole meltdown began. Ta ever so much for that!

All laughing aside though - I still cannot believe how long it is taking Apple to admit they made a huge blunder. My daughter has just shoved her Mac Airbook into a drawer as it is unusable. On top of nothing working, Yosemite appears to have hijacked her hard drive space, and it telling her some rubbish about how much space she has being used for movies and saved graphics that simply do not exist.

I am having this issue as well.

Has anyone heard anything from Apple regarding a fix?

No word yet but some interesting read on WIFI subject and Yosemite

http://osxdaily.com/2014/10/25/fix-wi-fi-problems-os-x-yosemite/

The guy I spoke to wouldn't even admit he'd come across this problem with anyone else, but they are very well scripted.

I tested my wifi with boot camped windows 7 and I got a consistent 78Mbps with bluetooth turned on, on the same network with my Mac in the same position. It's not a hardware problem or a router issue, it's Yosemite.

Man up (or woman up) Apple and fix it!

After the upgrade the wifi connection is dropped after about 10 seconds on MacBook 2009.

The iMac 2013 is stable. The problem seems to also depend on the wifi network.

I still have g. At my inlaws, the n network gives no probles.

Sadly, I too am having issues wifi connectivity on my MBPr... it makes me a sad, sad panda that the most beautiful piece of electronics equipment I own doesn't work. Wifi worked perfectly on Mavericks and works perfectly on my Win7 Bootcamp image.  I have no other issues on any of the 18 (yes, 18) devices on my wireless network.

I have tried all of the fixes on this thread as well as some of the "fixes" mentioned on other sites and nothing works.  One thing that does help is to connect to the 2.4GHz frequency on my router.  When I do this, I am actually able to connect to websites, but the speed is very slow.

I will revert to Mavericks if a solution isn't released soon.  "Luckily", the Win7 bootcamp image is working. 

I opened a support ticket with Apple, but haven't heard back yet.

If Apple follow the trend they've exhibited with previous major updates, the .1 update will happen one month after major-revision launch.

This actually worked for me. I re-activated IPv6 (see my post below) and so far 24 hours later, no issues.

Thank you for posting this - http://osxdaily.com/2014/10/25/fix-wi-fi-problems-os-x-yosemite/

After trying many, many other suggestions in this discussion this finally worked for me!

Glad that it worked for you.

Latest update from me after several hours is that wifi is more stable and I am not getting "No internet connection" messages when surfing.

However, I did get wifi dropout when I put my MBP to sleep by closing the lid. Normally, it would reconnect immediately but it seems to be "hunting" for a signal when woken up. Sometimes need to manually reconnect using the network preferences drop down.

It might help Apple to gather some common evidence from users experiencing problems. For example:

Are you using dual-band wifi? Which standards are supported: g, n or ac?

Are you using a range extender?

Do you experience problems when moving between wifi signals e.g from 5gHz to 2.4gHz?

This is my situation. Anybody like to comment?

To all with Wifi Issues... I don't doubt that Yosemite might have a couple bugs but to say that it's riddled with bugs and Yosemite is Trash is quite self centered and untrue.... I have a non-Retina Mid 2012 MacBook Pro and Upgraded to Yosemite with ZERO problems but I also did a little homework FIRST before the Bi-Polar Mac User Took over.... Here's what I did..

Ran CleanMyMac First in Mavericks... then Rebooted.... then Installed Yosemite... and all App Updates - One at a Time....not all at once...

Then Rebooted into Recovery Mode and Ran Disk Utility to Repair Permissions then launched into Yosemite

Finally I set DNS Settings in Network Preferences to Google DNS's because they are faster then the Default Time Warner Cable DNS address supplied with my Router....  added "8.8.8.8" and "8.8.4.4" to DNS Tab.

Been running YOSEMITE Very Noticeably Faster and Snappier than Mavericks with ZERO problems. I'd be willing to bet all the people with problems here did no prep work, hadn't rebooted or cleaned their systems in months and just drove off that cliff like Thelma & Louise.

I have read this solution below is working for the vast Majority of people....

Creating a New Wi-Fi Service (this solution worked for me!)

• Copy and paste these instructions, because you'll be disconnected from the Internet and you'll need to reboot.
• Go into your Network Preferences > Select Wi-Fi Service (in the list in the left column) > Click on the options (cog icon) > Select "Make Service Inactive" > Select Apply.
• Select the same Wi-Fi Service > Delete It ( – ). Reboot.
• Return to Network Preferences > Create a New Service ( + ).
• Inside the prompt select Wi-Fi under Interface, name the Service Name something other than Wi-Fi. (I named mine Wi-Fi2. Apparently if you retain the previous Wi-Fi name the WiFi dropping will return on reboot.) > Click Create.
• Click Apply.

To all with Wifi Issues... I don't doubt that Yosemite might have a couple bugs but to say that it's riddled with bugs and Yosemite is Trash is quite self centered and untrue.... I have a non-Retina Mid 2012 MacBook Pro and Upgraded to Yosemite with ZERO problems but I also did a little homework FIRST before the Bi-Polar Mac User Took over.... Here's what I did..

Ran CleanMyMac First in Mavericks... then Rebooted.... then Installed Yosemite... and all App Updates - One at a Time....not all at once...

Then Rebooted into Recovery Mode and Ran Disk Utility to Repair Permissions then launched into Yosemite

Finally I set DNS Settings in Network Preferences to Google DNS's because they are faster then the Default Time Warner Cable DNS address supplied with my Router....  added "8.8.8.8" and "8.8.4.4" to DNS Tab.

Been running YOSEMITE Very Noticeably Faster and Snappier than Mavericks with ZERO problems. I'd be willing to bet all the people with problems here did no prep work, hadn't rebooted or cleaned their systems in months and just drove off that cliff like Thelma & Louise.

I have read this solution below is working for the vast Majority of people....

Creating a New Wi-Fi Service (this solution worked for me!)

• Copy and paste these instructions, because you'll be disconnected from the Internet and you'll need to reboot.
• Go into your Network Preferences > Select Wi-Fi Service (in the list in the left column) > Click on the options (cog icon) > Select "Make Service Inactive" > Select Apply.
• Select the same Wi-Fi Service > Delete It ( – ). Reboot.
• Return to Network Preferences > Create a New Service ( + ).
• Inside the prompt select Wi-Fi under Interface, name the Service Name something other than Wi-Fi. (I named mine Wi-Fi2. Apparently if you retain the previous Wi-Fi name the WiFi dropping will return on reboot.) > Click Create.
• Click Apply.

Sorry Mac, but my mid-2012 MPB is noticeably slower, still doesn't like to wake from sleep mode, and is sluggish with OSXy. Thankfully it doesn't appear to have wifi issues.

My brand new 2014 MBair for work however is STILL having Wifi issues. It is slower as well.

I've tried everything, creating the new wifi, etc. etc. etc. And thought that disabling the icloud handoff did it but even as I'm writing this I went offline again. OSXy wifi *****, and I've let everyone know not to upgrade to Yosemite just yet.

To all with Wifi Issues... I don't doubt that Yosemite might have a couple bugs but to say that it's riddled with bugs and Yosemite is Trash is quite self centered and untrue.... I have a non-Retina Mid 2012 MacBook Pro and Upgraded to Yosemite with ZERO problems but I also did a little homework FIRST before the Bi-Polar Mac User Took over.... Here's what I did..

Ran CleanMyMac First in Mavericks... then Rebooted.... then Installed Yosemite... and all App Updates - One at a Time....not all at once...

Then Rebooted into Recovery Mode and Ran Disk Utility to Repair Permissions then launched into Yosemite

Finally I set DNS Settings in Network Preferences to Google DNS's because they are faster then the Default Time Warner Cable DNS address supplied with my Router....  added "8.8.8.8" and "8.8.4.4" to DNS Tab.

Been running YOSEMITE Very Noticeably Faster and Snappier than Mavericks with ZERO problems. I'd be willing to bet all the people with problems here did no prep work, hadn't rebooted or cleaned their systems in months and just drove off that cliff like Thelma & Louise.

I have read these solutions below is working for the vast Majority of people....

Creating a New Wi-Fi Service (this solution worked for me!)

• Copy and paste these instructions, because you'll be disconnected from the Internet and you'll need to reboot.
• Go into your Network Preferences > Select Wi-Fi Service (in the list in the left column) > Click on the options (cog icon) > Select "Make Service Inactive" > Select Apply.
• Select the same Wi-Fi Service > Delete It ( – ). Reboot.
• Return to Network Preferences > Create a New Service ( + ).
• Inside the prompt select Wi-Fi under Interface, name the Service Name something other than Wi-Fi. (I named mine Wi-Fi2. Apparently if you retain the previous Wi-Fi name the WiFi dropping will return on reboot.) > Click Create.
• Click Apply.

ALSO SEE THIS LINK FOR OTHER FIXES & SOLUTIONS....

http://osxdaily.com/2014/10/25/fix-wi-fi-problems-os-x-yosemite/