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Lion WiFi Connection Problem

Since installing Lion on both my IMac and MacBook Pro, the WiFi cycles (wifi icon on the menu bar) - looking for network - network on - looking for network. iMac with OS 10.6 doesn't have this problem so it's not the AirPort and there was no problem prior to installing Lion. The AirPort Utility log shows lots of connection activity but I don't know if that means anything. The network troubleshooter says theres no problem but it's causing big problems with connection speed and applications that need a constant connection are giving me network errors constantly. Please give me some advise....

Posted on Jul 20, 2011 5:19 PM

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Posted on Jul 20, 2011 7:07 PM

Welcome to my nightmare...Been going on for a year now. Nice to see the didn't bother addressing this issue with the new OS.

2,673 replies

Oct 13, 2011 5:54 AM in response to dhwalt

In my case 10.7.2 doesn't solve the problem.

After wakeup the MacBook Air doesn't automatically connect with Wifi.


It only works if I disable bluetooth - still like in 10.7.1.


But I have to say I have installed 10.7.2 on the normal way.

I have not installed the combo update.

I am afraid that a Combo-Update can slow down the Air - like it was by installing 10.6.7.

https://discussions.apple.com/thread/3033131?start=0&tstart=0

http://forums.macrumors.com/showthread.php?t=1122278


I am not sure if I should install the combo-update instead of the "normal" update ???

Oct 13, 2011 10:08 PM in response to lrogersinlv

For those experiencing issues where the AirPort works using WiFi G (54) but will not work over WiFi N (130/300), make sure that WMM (WiFi Multimedia) is enabled on your router.


As soon as I enables WMM for my 2.4Ghz & 5Ghz WiFi's on my NetGear WNDR3700, my 2011 iMac now works flawlessly over N WiFi; no packet drops using extended ping test and can run speedtest.net


Here's a post from NetGear Support forums: http://forum1.netgear.com/showthread.php?t=59278&highlight=imac


Here's the post on Apple Discussion that lead me there: https://discussions.apple.com/thread/3257143?start=0&tstart=0

Oct 25, 2011 5:53 AM in response to putnik

putnik wrote:


The Signal to Noise ratio (SNR) is actually the difference between the two figures shown. They say that an SNR of more than 25 is ok.

The SNR >25 is ok if the signal strength is sufficient. In your case the signal (-39) is pretty good and the SNR indicates a rocket fast connection.

It was also a very good idea to switch the channel as you easily may see on your second screenshot.


putnik wrote:


Why the router thinks I am in Holland, beats me.

Make's no difference, as over Europe the rules and regulations are the same for wireless.


What I notice on your screenshot is, that you use a BT-Box.On that I remember one of your posts.


A couple of weeks ago you wrote -> https://discussions.apple.com/thread/3191630?answerId=16214639022#16214639022


Did you change the settings on your Mac to "home" instead of "local" or to "local" instead of "home" on the BT Hub??

Did you switch off the "on the fly" channel hopping of the BT Hub??


If not, do so and end your problems.



Lupunus

Oct 25, 2011 11:01 AM in response to lupunus

I checked my router and power saving is unchecked. I'm not sure I believe all that the BT Hub 3 manager tells me.


I want "Ask to join new networks", to avoid unsecured access by mistake.


The country code issue is a complete can of worms. It is not set on the router. The wifi gets this from the first signal it receives, from anybody in the locality. There was a long thread about it while I was in Spain a couple of years ago. The legality of what is going on is very dubious.


https://discussions.apple.com/thread/2183102?start=0&tstart=1

Nov 1, 2011 5:02 AM in response to yrfromprestwich

It seems that I solved the problem permanently.


-My workaround was:

-Delete all wifi passwords on keychain

-delete all previous networks and known networks

- CHANGE ROUTER PASSWORD SETTINGS TO WPA (props to lucciluccilucci in this post: https://discussions.apple.com/thread/3242051?answerId=15862249022#15862249022 )

-CHANGE ROUTER CHANNEL TO 11 (or 13)

-Please note that each router has its own configuration instruction so if you are not familiar with this you may contact your ISP.


I hope it helps. Too "bad" that the workaround is messing with the router settings. Seems like an 10.7.3 update is not likely to solve this issue. We all know how apple behaves with this kind of problem.....they expect that you buy a iRouter or something like that to solve this 🙂 .

I mean, is the problem is the router....they are very unlikely to solve this for users.

Nov 1, 2011 1:30 PM in response to lrogersinlv

Based on my personal experiences in the last couple of month Apple cares a **** about this issue (from my personal point of view)!!!


After trying almost all the different tips and suggestions from this post and Apple`s support-hotline without any permanent success (and I did it in a well-structured way spending about 30 hours over all) I adressed a detailed bug-report via http://www.apple.com/feedback/macosx.html about four weeks ago. And guess what: NO reaction or answer yet... I also sent detailed (links to the different posts on this issue in this community, details from the bug-report I adressed) e-mails on this issue to "All Things Digital" (Hello Walt...), "Mac Rumors" and "heise.de": NO reactions yet... What else can I do?


The funny thing is: In the 15 years I used Windows (from Windows 3.11 to Windows 7) I NEVER had problems which I couldn`t solve within 30 hours of trouble-shooting or where Microsoft didn`t officially announce there is a known issue and they`re working on it... In the case of Mac OS Lion and Wi-Fi I I feel like Don Quixote...


And of course it`s all about user-circumstances: "dtu" (dumbest thinkable user), bad router, bad neighborhood-networks, wrong configuration, bad bluetooth-devices, not seriously trying to solve their problems themselves...


Facts like "no problems when going back to SL", "no problems when working with Windows via Bootcamp" and last but not least "no problems when working with Windows via Parallels" don`t count...


"You won`t find a solution by saying there is no problem" (William Rotsler)

Nov 23, 2011 1:13 AM in response to HughJarse

Happens everytime there is an update. Have a look here. Sound familiar?


https://discussions.apple.com/thread/2138705?start=0&tstart=0


Every router's set up is different and resetting may work for some, renewing DHCP Lease works for others while sometimes nothing seems to work for others. It can be anything from messed up settings to your IP not being ready to handle the new system.


So nobody should be telling anyone how childish they are just because one thing worked for a couple of people. I, like most, had a clean change over, but I did just update my modem before hand.


Good Luck

Dec 16, 2011 6:23 AM in response to gphonei

Why even outsource when they can get customers to test their products for free? Here you go, dude . . .
http://jobs.apple.com/index.ajs?BID=1&method=mExternal.showJob&RID=65007&Current Page=1

gphonei wrote:


I think it's great that you are having a conversation with Apple Care. I also understand that it's frustrating that it's not fixed. Being in Apple's Face is part of what needs to happen though. Sure, you can do as much publicity as you want, but in the end, I am not sure that make Apple go any faster. If there is a hardware problem, then they have to figure out how to work around it, or decide to fix it. Guess what everyone in Apple managment is going to want? A software fix, not a bunch of "returned for repair" equipment. So, it will take longer to fix if they have to develop a software work around for broken hardware.


There's plenty of reasons to be mad and disappointed at where things are at. But still, all those emotions, thrown out and spread around the internet don't help fix the problem, they just create more problems.


I'm here just trying to get people to post what they've tryed, and what's worked and not worked, and to try some different things, and provide some information that might help all of us figure out what might work for work arounds or fixes. But, instead of trying to do that, and be helpful, we have people just on here whining like a bunch of babies and firing off at Apple. If you want Apple to fix it, and you don't want anything to do with fixing it youself, then why are you on here posting stuff?


It's possible to do a lot of debugging on issues like this if you are willing to be methodical and timely in your testing and analysis. If you don't know enough about how the network stacks work, then it can seem like it doesn't make much sense. My two macs don't have this problem on Lion. My daughter just finished her first semester at college, and only today, when she got home, did she say that something wasn't working right with the wifi on her MBP. So, maybe I'll have a chance to look at this problem first hand.

Jan 4, 2012 3:58 AM in response to iFinFan

Please read this (reposting) from Joao in Portugal:

https://discussions.apple.com/thread/3394498?tstart=0 and

http://rys.pixeltards.com/2011/09/04/osx-lion-wifi.html


Apple will not confirm if you call them! Nor did my ISP!


You have the affected chipset. See, my MacBook shows a Broadcom set and IO80211 family 3.2. The bad one should read Atheros (which you have) and IO80211 family 4.0.x (which is from Lion) or so. That combo is affected, somehow. In my case disabling N-Band in the WiFi router itself remedies the problem, can't tell you why.


Software Versions:

Menu Extra: 6.2.2 (622.2)

configd plug-in: 6.2.5 (625.6)

System Profiler: 6.0.1 (601.1)

Network Preference: 6.2.2 (622.2)

AirPort Utility: 5.5.3 (553.20)

IO80211 Family: 3.2 (320.1)

Interfaces:

en1:

Card Type: AirPort Extreme (0x14E4, 0xD6)

Firmware Version: Broadcom BCM43xx 1.0 5.100.198.104.5)

Locale: ETSI

Country Code: NL

Supported PHY Modes: 802.11 a/b/g/n

Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140

Wake On Wireless: Supported

Status: Connected

Current Network Information:


Do you have IO80211 family 4, then read the linked files, and see if you want to try. The rest of my Mac is fine, but this issue is indeed horrible. Best of luck!

Jan 10, 2012 3:54 PM in response to mulligans missus

Hi all,


I experienced the problem yesterday and it was driving me nuts (got my iMac 21,5" 3 days ago).


I found this thread:


https://discussions.apple.com/thread/3190651?answerId=17233346022#17233346022


I installed (reinstalled 10.7.2) as sugested and for now internet over WiFi seems to be stable. It was a 800MB download so I had to use cable 🙂


http://support.apple.com/kb/DL1459


I hope it works for you, too. I will keep you posted

Jan 11, 2012 10:50 AM in response to razvansky

Problem SOLVED.


But, it took the purchase and installation of a new Airport Extreme (http://www.apple.com/airportextreme/).


It appears that Lion is simply not compatible with my eight-year-old Airport Express (and, judging from previous posts, numerous other wireless routers). Whatever Apple has built-into (or left out-of) Lion's programming is a major faux pas, indeed, rendering gazillions of wireless routers obsolete.


On the "plus" side, the speed and performance of Airport Extreme is awesome. My network is comprised of my new iMac, my wife's old iMac G4, our two iPhones, an HP 6500A Plus wireless printer and TiVo Premiere. All are now performing fast and flawlessly.


But this Apple WiFi boondoggle should really be a business school "case study".

Jan 11, 2012 10:50 AM in response to razvansky

Impressive the list of people having same issue, I am afraid you have to add one more to the list.....Great first experience with Mac :-(

The difference is that I bought an iMac with Lion already set-up and Apple does want me to pay to get a phone suport to solve it while it is under guarantee !!!



I tried the above link http://support.apple.com/kb/DL1459 wo sucess, laptop with windows close to the iMac work perfectly with wifi while imac network is constantly interrupted. Not a router problem



Apple recommend to log within another user to see if issue persists, if not, then this is the personal setting linked to the user that cause problem and maybe all should be "cleansed" and set up again


If not working then it is a hardware issue.....I do not think so looking at the list of people having same issue above...


I will try a couple more things you all mentionned above when time permits (nights then??) , but honestly, being new to Mac, this is a shame to have to go through this while you just bought it and expect all will be running fine for a first escape from window!!!!!


Finger crossed we all escalate the issue for Mac to ackowledege there is a TRUE problem and send an upgrade to all of us !!!



PS: I sympathize with all who got already nut to find a solution, I am through my 6th month already.....Thanks for all the background posts you made for new starters like me...

Lion WiFi Connection Problem

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