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Wifi Constantly Dropping in Lion

523502 Views 2,266 Replies Latest reply: Mar 28, 2014 2:35 AM by WSR RSS Branched to a new discussion.
  • Freducken Level 1 Level 1 (0 points)
    Currently Being Moderated
    Apr 30, 2012 9:38 AM (in response to Freducken)

    I recant my previous solution find, after a few hours the problem came back... So last night I decided to do a fresh reinstall of OSX Lion and get my files back from Time Machine. After doing all the updates, including the wifi fixes and such, I have not dropped my connection. I hope this is a final fix, since I pretty much did the most drastic thing save for taking it in for a replacement.

     

    If the issue returns over the next few days I will definitely be back here to post and rage. If I don't return, then all is good and I am enjoying a beer for finally being done with this headache. I guess the lesson here is when all else fails, START OVER...

  • grblade Level 1 Level 1 (0 points)
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    Apr 30, 2012 2:30 PM (in response to lhale)

    The only thing that stopped my MacBook from constantly dropping its wifi connection to my Time Warner Cable router has been to use the wifi from my Airport Express instead of my TWC router's built-in wifi. My connection has been fine ever since. This is not a solution, but a workaround. MacBooks should not have to use an Apple router. But I am using a 5GHz speed now instead of the 2.4 I was using with the other router. Not sure if that's why it works. But according to Wifi Radar, I'm the only 5GHz signal in my area, so maybe there is less interference with that. Not sure. But it's working.

  • SolSemantics Calculating status...
    Currently Being Moderated
    Apr 30, 2012 10:18 PM (in response to Freducken)

    Dear Apple, it is apparent that you are in fact listening because you are removing posts.  All I want is for my $2000, brand new computer to perform a basic function - i.e connect and stay connected to the internet.  Please and Thank You

  • petermac87 Level 5 Level 5 (4,065 points)
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    Apr 30, 2012 10:20 PM (in response to SolSemantics)

    The moderators here remove posts that are not within keeping to the Terms Of Use that everyone agrees to when registering here. It is not Apple.

     

    Good luck

     

    Pete

  • Freducken Level 1 Level 1 (0 points)
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    Apr 30, 2012 10:20 PM (in response to SolSemantics)

    I am also at my wit's end with this. Every other computer (5 total) work perfectly.

  • SolSemantics Level 1 Level 1 (0 points)
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    Apr 30, 2012 10:35 PM (in response to petermac87)

    I didn't say anything disrespectful or obscene.  I merely replied to another commenter saying that I would be willing to join group action to get this issue resolved, and talked about my issue (blah blah, can't stay connected for more than 10 mins etc etc..)  I have also posted about my lion wifi issue on a thread that specifically talks about the wifi issue with the 27inch imac because I at first thought that it was an imac issue and several responses from posters that mentions (and rhymes with 'glass paction toot' ) were all deleted. 

  • gphonei Level 1 Level 1 (0 points)
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    Apr 30, 2012 10:30 PM (in response to Freducken)

    Freducken wrote:

     

    I am also at my wit's end with this. Every other computer (5 total) work perfectly.

    What kind of router are you connecting to?  What protocol (802.11a, 802.11b, 802.11g, 802.11n) is your router configured to use?  What frequency/channel and band is your router using?

     

    If you turn off all of your other devices or otherwise stop them from using the WiFi network, does that change how your mac behaves?

     

    There are reports on the internet of "too many" devices causing routers to stop working for some devices.  There are also documented situations of broken firmware in the routers being the issue.  Does your router need to have its firmware upgraded to fix any problems which the manufacturer has provided fixes for?

  • petermac87 Level 5 Level 5 (4,065 points)
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    Apr 30, 2012 10:32 PM (in response to SolSemantics)

    I did not read your post nor wish to. If it was removed then it was removed for a reason. You were lucky that it was you post and not your account that was removed, as is often the case.

     

    Cheers

     

    Pete

  • Freducken Level 1 Level 1 (0 points)
    Currently Being Moderated
    Apr 30, 2012 10:50 PM (in response to gphonei)

    The other computers are an iPhone 4, New iPad (silly name IMO), 2 windows laptops, and the iMac (2011 model) in question. Originally I had (still have in the closet) a Netgear wireless N router. After much, much, trial and error I discovered that the iMac would drop wifi when N was active from the router (either in singl N, or combo N G B). When N was deactivated the iMac did not drop it (this is not acceptable). I figured hey, the router must be faulty (after updating the firmware and trying tons of troubleshooting) so I purchased a Berlin wireless N router. Same issue! Dun! Dun! Dun!!!.

     

    I have tested and retested with only 2 computers connected and the issue persists. No joy. AppleCare escalated my case to Tier 2 and then had me gather up a bunch of data to be sent for engineers for review- that was more than 6 months ago and no word from them.

     

    Every solution posted on the various I have tried with no avail (probably a total of 30 hours dedicated to this by now, not including reinstall times of the OS. I downgraded to Snow Leopard, no joy. Clean installs of Lion and further troubleshooting 3 times over now, no joy. Used the Atheros firmware downgrade floating around in other posts, no joy. Set up static DHCP, no joy. Set up encryption other than WPA2, no joy. Set up without encryption and only MAC address listing, no joy. Installed only non wifi related Apple software updates over clean lion install, no joy. Installed only wifi related Apple software updat over clean Lion install, no joy. Deleted network location, keychain presets for airport connections, re established new location in wifi settings, no joy. I am sure I am missing other troubleshooting steps I have taken, but hey, I am not a robot.

  • Freducken Level 1 Level 1 (0 points)
    Currently Being Moderated
    Apr 30, 2012 10:54 PM (in response to Freducken)

    Now when I contact AppleCare on this issue which has only been twice, they direct me to the Tier 2 agent that 'helped' me originally but he never returned my voicemails or emails. I really don't see a point to a hardware swap since so many other folks have this issue, but I would be up for it if Apple and their Geniuses would allow me the option. Can you tell how frustrating this has been for me? LOL

  • SolSemantics Level 1 Level 1 (0 points)
    Currently Being Moderated
    Apr 30, 2012 11:06 PM (in response to Freducken)

    I have a 27 inch imac running lion (it was purchased Feb 2012) and I've tried all of these fixes (including reinstallation) and as you so elegantly put it, no joy   I've had customer support remote into my computer and take information, but I haven't heard from them either. One poster mentioned that they purchased a powerline AV (it puts the signal through the electric wiring in your house so you don't have to run a 100ft ethernet cord) and just connected the computer via ethernet.  They cost about $100 and before I lose my sanity trying to make this computer work, I think I am going to have to try that as a last resort.  Judging from when these posts began, the problem is already close to a year old and yet still there is no fix..and I cannot wait another several months for this issue to be fixed.

  • Freducken Level 1 Level 1 (0 points)
    Currently Being Moderated
    Apr 30, 2012 11:33 PM (in response to SolSemantics)

    I think if you have money in the bank to go that route, or even better to buy an airport extreme, I would say perfect. I actually wouldnt mind purchasing an airport extreme and leave all these issues behind, but my wallet and I aren't seeing eye to eye on that. LOL. The biggest slap in the face would be if the Airport Extreme had the same issue, LOL. I hope there is some light at the end of this tunnel for us. Sigh....

  • technomystic Calculating status...
    Currently Being Moderated
    May 1, 2012 7:15 AM (in response to Freducken)

    Re: wouldn't mind purchasing an airport extreme and leave all these issues behind.

    Sorry to dissappoint...but same issue with 3 different locations with 3 different version of Airport Extreme. (All running current firmware thank you.)

  • WSR Level 1 Level 1 (30 points)
    Currently Being Moderated
    May 1, 2012 7:53 AM (in response to technomystic)

    technomystic wrote:

     

    Re: wouldn't mind purchasing an airport extreme and leave all these issues behind.

    Sorry to dissappoint...but same issue with 3 different locations with 3 different version of Airport Extreme. (All running current firmware thank you.)

     

    Shame it didn't help you, but it fixed my nightmares instantly. I have a new Time Capsule, but I expect the WiFi part is the same as a new Airport Extreme.

  • gphonei Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 1, 2012 11:02 AM (in response to WSR)

    WSR wrote:

     

    technomystic wrote:

     

    Re: wouldn't mind purchasing an airport extreme and leave all these issues behind.

    Sorry to dissappoint...but same issue with 3 different locations with 3 different version of Airport Extreme. (All running current firmware thank you.)

     

    Shame it didn't help you, but it fixed my nightmares instantly. I have a new Time Capsule, but I expect the WiFi part is the same as a new Airport Extreme.

    There are, of course lots of things about WiFi which could of gone wrong.  You may have had a problem with WiFi router compatibility/firmware issues and the new router fixed that for you.

     

    Others are seeing behaviors that seem to indicate that perhaps there is a bug in the driver.  But, since some people are fixing the problem with new routers, it might be that Apple is using an obscure feature of 802.11n which is only correctly working on some of their routers, but might break under circumstances of too many devices connected, mode changes from n/b/g etc.

     

    It's hard to say, and since Apple is not describing there viewpoint anywhere that we can see, it's hard to "act" on your own to fix the problem without some very direct problem resolution steps to eliminate the non-problems.

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