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Lion WiFi Connection Problem

667236 Views 2,667 Replies Latest reply: Apr 19, 2014 9:11 AM by gphonei RSS
  • drjthomas Calculating status...
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    Jul 27, 2011 9:25 AM (in response to lrogersinlv)

    I'VE FIXED MINE!! (i hope)


    Hooray - after days of struggling, it was the easiest thing... found on anther forum...


    1. Go to Network in system preferences.

    2. At the bottom of the left-hand column, there's a plus, a minus and a drop-down options button. Go to the drop-down button and select 'set service .1.1order'.

    3.  Move wi-fi to the top.


    DONE!  All seems to be working well again for the timebeing.


    I also followed other people's suggestions of adding and to the DNS list under advanced options.


    I hope it works for you.. Let me know!

  • Odiebla Calculating status...
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    Jul 27, 2011 9:38 AM (in response to drjthomas)

    Let us know in 24 hours. This has been suggested before and didn't seem to work for the majority of us.

  • ryyjma from san fedele intelvi Level 1 Level 1 (0 points)
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    Jul 27, 2011 9:53 AM (in response to drjthomas)

    Negative, does not work!

    Hello from Italy!

  • El Deanio Level 3 Level 3 (735 points)
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    Jul 27, 2011 10:08 AM (in response to lrogersinlv)

    Chaps and Chapesses


    I've just done a Software Update check for my iMac that I still have on Snow Leopard.  It did a "10.6.8 Supplemental" update.


    Accordinging to the MacWorld website , the supplemental update contains, amongst other things,"fixes for several small issues, including transferring information, settings, and applications from your Snow Leopard machine to a Mac running Lion;".


    This just might be the answer to your problem.  From what some of say something might have gone wrong whenyou upgraded to Lion. Suggest you revert back to Snow Leopard, use the Combo update, then install Lion.


    Fingers crossed.


  • Thlayle Level 1 Level 1 (0 points)
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    Jul 27, 2011 11:17 AM (in response to alanfromcoldstream)

    This seems to be the case for me: wait it out and the connection works -- not sure on time needed but two minutes sounds about right. Not always though: sometimes the connection seems to work normally but usually it does not and I either have to wait or just locate the network in the Airport Utility and log into it 'manually.'

  • alanfromcoldstream Calculating status...
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    Jul 27, 2011 11:58 AM (in response to El Deanio)

    When I changed to Lion I followed the 'preparatory' instructions meticulously; THIS INCLUDED UPDATING TO THE LATEST VERSION OF SNOW LEOPARD, to make it compatible with the Lion upgrade.


    It seems that, for me anyway, the 'fixes for several small issues' didn't include one for the Wi-Fi problem. I dread to think what would have happened had I omitted this preparatory procedure!!!


    Thanks for the info however - perhaps it's relevant to some of the community who have suffered worse problems than myself.

  • alanfromcoldstream Level 1 Level 1 (0 points)
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    Jul 27, 2011 12:01 PM (in response to Thlayle)

    The 'quicker' workaround is to run the diagnostic, then quit and re-enter Safari.

  • sserschens Calculating status...
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    Jul 27, 2011 2:00 PM (in response to lrogersinlv)

    I found the cause of my problem related to the WiFi issue, but there is no solution that works at this time. When my computer wakes from sleep it won't connect to my WiFi IF TimeMachine is in the middle of a backup to my TimeCapsule. If my MacBook Pro goes to sleep when I am not backing up, then WiFi works fine when I wake my computer from sleep. Apple needs to address this issues in 10.7.1 and I hope it is released soon.

  • Kristan2 Calculating status...
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    Jul 27, 2011 3:00 PM (in response to lrogersinlv)

    I've been looking through this thread for a while, and I've found a few hacks that seem to work for Lion for me, but there's one problem: my WiFi won't work in Bootcamp either. Why is that? I can understand an OS problem, but running Windows 7 through Bootcamp shouldn't have anything to do with problems in Lion. This points me to a hardware problem, but everything worked fine until I installed Lion. So is it possible that the upgrade is affect Windows 7 in Bootcamp too?


    EDIT: I forgot to say something that I think hasn't been mentioned yet. If you seem to be getting a connection but dropping it, try opening a Terminal window and pinging to a website. Then just let that run in the background. It will indefinitely ping to the website, keeping the connection active. And letting it run all day wouldn't use more than 1-2MB of data.

  • Scottig Calculating status...
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    Jul 27, 2011 8:53 PM (in response to lrogersinlv)

    Add me to the growing list of people with wi-fi issues after Lion upgrade... Tonight I spent three hours on the phone with apple care to no avail.. I commend the techs I spoke with as they were very patient and were relentless in their persuit of a solution. I kinda feel bad for them as they were willing to do whatever it took, but simply could not provide a solution. Obviously if the problem is with the code, there is not much the techs could do to help me.


    They had me do a data capture and I sent that to them to escalate the issue to engineers, but I am told it will be around 48 hours before I hear anything... Like other here, I use 'y computer for business and need it to perform as expected... My business is based online, my site has a blog, and I Ned to be able to communicate with pele online as well.


    Sorry I cannot provide a solution, but I can contribute to the growing number of folks with the issue.

  • FlavioPedretti Calculating status...
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    Jul 27, 2011 11:11 PM (in response to lrogersinlv)

    I had a problem with wireless but I check and at now partial solve these problem.


    - Uninstall antivirus (sophos antivirus in my case)

    - check flash update (there is a new stable version for lion)

    - check accessories in system preferece (spice race in my case)

    - update all program and app you have install

    - fix disk permissions


    At now my wireless is stable, I think the problem is not Lion nut the third part software.

  • luisfromvigo Level 1 Level 1 (0 points)
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    Jul 27, 2011 11:40 PM (in response to lrogersinlv)

    Hello All:


    I'm too suffer the Wifi problem with Lion. Yesterday i do the SMC reset of my iMac 27" and wifi connection seems to be stable (at least during 2 hours) I'm downloaded the xCode without networks outages. I'm hope to test with more detail/time today in order to assure that the SMC reset resolve my problem. I'm keep you informed.

  • Bugfixer Level 1 Level 1 (125 points)
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    Jul 28, 2011 12:06 AM (in response to El Deanio)

    This is quite interesting. I didn't do it (update with this special patch) and now I've got the same WiFi problem you all have (and some other problems, too).


    Thanks for the info.

  • putnik Level 3 Level 3 (620 points)
    Currently Being Moderated
    Jul 28, 2011 12:30 AM (in response to lrogersinlv)

    To add my tuppence worth...


    I have had massive wifi problems in the past, with Windows 7 and Snow Leopard, but not one problem with Lion.


    Almost all of these have been down to the router firmware requiring an update for the wireless "N" standard. Maybe my present good fortune is therefore to do with my new BT Hub 3 which is of the latest standard.


    DNS issues can be a problem too. I believe Safari uses DNS caching which some older routers cannot cope with. You could try another browser or do as I had to for two years and listen to internet radio, to prevent connection drops. (There is a more sophisticated solution involving pinging the connection at regular intervals).


    Changing to Google DNS can improve page loading times for ISP's with slow connection speeds in third world countries like the UK. Page swiping with Safari in Lion is horrible with a poor refresh rate from your ISP.


    In System Preferences>Networks, put WiFi at the top of the list. In the past, changing the "Location" from "automatic" to a named one, has helped. But again, I have no problem with the standard setting...


    In "Advanced", remove obsolete networks and put the current one at the top too.


    There have been Keychain and Preferences problems too. For example, old passwords being stored, both in the Login and System sections. In SL The Library>Preferences system folder needed to be regenerated to correct plists. I note there have been big changes in this folder with Lion (no wonder they have hidden it). Perhaps the problem is in the migration of these parameters to Lion by some people?


    I'm not sure if any of this is helpful. If it worked in SL but doesn't now in Lion, I suggest checking settings and re-booting the router.


    Somebody must know more than I do about this subject?

  • nipper123 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 28, 2011 12:59 AM (in response to putnik)

    Since people with brand new factory installs on the new MBA and mini seem not to be having problems and it looks like only upgraders, in the end, I decided to go one step further than before (thanks to security of Time Machine) and I nuked and paved the hard disk with a repartitioning and multipass erase after booting from a Lion GM installer on a USB stick.

    A clean Lion reinstall with NOTHING else on the HDD seems to have fixed the problem for the last 12 hours. I am not yet convinced but tomorrow I will be travelling around various offices using both open and protected wifi connections.  If it holds up all day, it seems like this might be a bug that flares with upgrades but not with new clean installs. Note that simply doing a reinstall over by redownloading Lion from Apple's servers is not the same as a disk repartition and clean reinstall.

    Let you know what happens tomorrow.

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