wifi keeps dropping since Yosemite upgrade

Yosemite has basically rendered three MacBooks in the house useless paperweights. Thanks Apple.

Wifi on each and every one (they are all purchased in 2014) randomly drops every few mins with an occasional 30 mins. of stability.

The iMac has been stable however, so for us at least, this is specific to the MacBook Pro.

I've tried the various ideas posted in this thread and elsewhere and none of them work. In fact as I type this I've had to reconnect three times now!

The router is fine; the Surface Pro 3, iMac, Nexus 5 phone, various iPhones all maintain connectivity with the wireless without issue.

Mavericks *never* had this issue for us.

Since returning to the US four days ago I've had no problem keeping a WIFI connection with my in-home Time Capsule on my early-2013 MBP 13" Retina. Nor with my iPhone 5S or iPad mini. Connected automatically and has held continuously for four days. Maybe it was a bad idea to upgrade to Yosemite while based in Paris? Or a problem with the WIFI router there? Who knows?

Same problem with wifi dropping off on Macbook Pro, medio 2012

this happens on both 2.4 anf 5Ghz, on Apple Airport, Cisco 2602 AP.

I have tried :

Reinstall, reset SMC. reset key ring.

A debug on the Cisco AP show that the mac just stop sending data.

Regards

Erik

I've been struggling with this (and very frustrated) ever since installing Yosemite on my MacBook Air a week ago. But I've SOLVED THE PROBLEM!!!!

Okay, I read somewhere (maybe this thread) about someone who said he was having the same problem of dropping the WiFi connection at home but not at this office. By coincidence, I found the same thing. At home the connection was just not usable... it would drop every 3-4 minutes and then I'd have to go back into network preferences to re-connect. At work the WiFi connection worked perfectly.

The solution? I upgraded the firmware in my WiFi router at home, and instantly the MacBook Air connected to the network and became ROCK-SOLID!!!

Pretty hard to believe that the problem was with the router, as before Yosemite the WiFi at home worked perfectly and with Yosemite it didn't. But upgrading the firmware on the router DID solve the problem for me.

(My router was a Cisco WAP4410N.)

OK, but i run the latest firmware on on the controller (Cisco wireless lan controller) the closest i come to a solution

is a problem when use 40 Mhz channel with.

Regards Erik

My husband laptop is having this issue. He has a Mac Air (mid 2012) and wi-fi keeps dropping every two minutes like everybody else here. I suggested him to connect to my cell phone hot spot (AT&T; iPhone 6) since we wanted to check if the problems was related to the router, and the problem stopped completely while connected to the hot spot. The router was power-cycled/re-started and he is back to connecting to the regular wi-fi thru the router and the problem started again after two minutes connected. My theories are these: (1)something is not getting updated with some Mac's after upgrading to Yosemite (2) Incompatibility of Yosemite with our Netgear router. We had some issues with his laptop related to a firmware update while upgrading to Yosemite. Other than this, no additional issues. I don't have this problem with my MBP, (mid 2014) since I upgraded it to Yosemite, last week. No issues with iPhones or iPads in the house. Next step: check the firmware of our Netgear router and will see if this solves the problem. I will post once I find out.

Now i have made som debug on the Cisco controller.

When accessing the network i make a normal association, but when walking from sleep the connection is reused and only a DHCP request happens.

then after 2 min the client drops the connection, when this happens nothing is seen on the AP side.

If you turn off the wifi > close the client > open the client > turn on the wifi it works as expected, due to a complete association.

Hope this helps, APPLE do somthing

Regards Erik

I'm still on Maverick, but had the same problem. Apple had an update for this problem (somewhere end 2013) that should have solved the problem for the majority of Maverick users. If you google 'Maverick Wifi dropping' you see similar threads like this that seems to end late 2013, early 2014. The Apple guy told me this update has been part of later Maverick updates (10.9.4?). Could Apple have forgotten to include this solution in their new OS?

But, I experienced the problem for the first time in 10.9.5... Tried everything i could find on the internet, and for me the problem seems te be solved (cross my fingers). Changed to 5Ghz, back to 2,4 (other laptops in the house did not have 5). By this the channel of my router changed from 6 to 1. No dropping WiFi.. Checking with the diagnostic tool of Apple I saw 4 networks (2 of my own), ALL on channel 1, while the diagnostic tool said 6 or 11 would be preferred. I did not change it, my wifi is good now.

One other thing:

Having good Wifi i switched Bluetooth on and off. Below shows how it effects the wifi signal.

As long as this problem is not solved in Yosemite, I will keep my Maverick 🙂

The Apple Community is nothing if not dedicated. You seem to be doing a lot of work which frankly you should not need to do. I have intermittent problems with wifi on non nether equipment I believe (work and home - ISP branded piece of kit). I think the problem is wide spread and it is to do with Yosemite. The wifi in the two environments I use it have not changed since Mavericks and the problems started with the updated OS. The equipment is constant and no new applications have been downloaded. In my opinion, this is an issue for at least some of us Apple users and only Apple can address it systematically. I would have hoped for at least an acknowledgement that they think there may be an issue into which they are looking. That would be a nice first step.

You can add me to the list of those frustrated users. I've got an all Apple environment here with a Time-Machine serving my Wifi, MacBook Air (11", Mid 2011) upgraded to Yosemite. (Re)-installing the wifi adapter did not work. The trick that did it for me is the ping described earlier in this thread. I'm now connected for more that 15 minutes and keeping my fingers crossed. Before, the connection would drop after one or two minutes. I would though not consider this as a viable fix to the issue. I've also got a MacBook Pro and and my wife's iMac lined up for the Yosemite update, but will definitively stop the project at this point until we have a fix from Apple.

I find it odd that my microsoft computer, using the same wifi router, is working just fine, but several wireless mac's upgraded to yosemite go from working flawlessly to unable to keep a connection long enough to even type this response without reconnecting multiple times. And for the mac's we own, they were all new purchases within the last year.. all new equipment and the N router/wpa2 connection on fibre optic is working just fine on our lone microsoft pc. Ironic, to say the least.

It seems on the 2.4ghz band all issues have gone away.

This is across three different Macbooks. Clearly an issue for us with

5ghz. No other device has this issue so its specific to Yosemite and in my

case MacBook. IMac on Yosemite and WiFi is not an issue on 5ghz band

On Oct 27, 2014 2:02 PM, "Apple Support Communities Updates" <

Add me to the list of frustrated users. I definitely noticed it when I first installed Yosemite, and it'd be intermittent, and only recently has it gotten nearly unbearable. ...Coinciding with when I downloaded the final release. For me I never need to fully 'reconnect' but I'll have to click a link several times while it hangs, and it always starts working again when I switch networks. (I have Verizon and have a secondary router setup for 5GHZ wifi since they don't offer it in their modem/router combo). But then it craps out again, and again, and again.

I never notice it on my Android Phone, Android Tablet or iPad, and my girlfriend doesn't seem to have issues on her older Macbook running 10.6.8. I guess I'm glad it's a Yosemite issue and not hardware or modem related, but still frustrating as all ****. Turning off bluetooth seems to have worked for the time being, have only been testing it with bluetooth off for 5-10 min.

I thought Apple was better than this.

Add me to the list of frustrated Yosemite users with consistent wi-fi disconnection issues. Did NOT happen before the Yosemite upgrade from Mavericks.

This is crippling me at work. I keep losing connection every 20 minutes or so on my MBP. It is costing me money and productivity!!!!!! And I can't exactly go to our corporate IT and tell them something is out of date with our wireless when for a company of 800 people there have been no complaints except for the 4 of us on MBP's who updated to Yosemite.