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Lion WiFi Connection Problem

668337 Views 2,670 Replies Latest reply: Apr 23, 2014 2:58 PM by ElJefeGrande RSS
  • Royjg Level 1 Level 1 (0 points)
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    Jul 22, 2011 6:49 AM (in response to lrogersinlv)

    Strangely, problem resolved itself, hope it does same foe everyone 

  • jdcliff Calculating status...
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    Jul 22, 2011 7:22 AM (in response to lrogersinlv)

    I do not have Avast installed on my MB, yet still can't get the Wi-Fi to turn on.  At this point, I've just got my fingers crossed and have made an appointment at the Apple Store.

  • galmeida-us Calculating status...
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    Jul 22, 2011 7:33 AM (in response to jdcliff)

    @jdcliff

    I had the same problem, resetting SMC solved it for me.

     

    for SMC reset procedures look here: http://support.apple.com/kb/HT3964

  • meonchris Calculating status...
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    Jul 22, 2011 8:21 AM (in response to galmeida-us)

    Same problem. I have upgraded 4 laptops and an iMac. 3 of the MacBooks are fine, the iMac is fine but my MacBook pro will not connect. Tried the above fixes - nothing. Hope someone finds the answer.

  • masoud (max) Calculating status...
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    Jul 22, 2011 8:33 AM (in response to lrogersinlv)

    I've had the same problem since last night.  My issue was resolved following these instructions:

     

    In Network Preferences, turn off Wi-Fi, delete the Wi-Fi service, deleting the Automatic location. Using the + button create Wi-Fi again, and then rejoin the network. Also, under the settings gear icon, choose Set Service Order and move Wi-Fi upwards.

     

    So far, the connection is stable, but this might be a temp fix to the issue.

     

    Cheers

  • meonchris Level 1 Level 1 (0 points)
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    Jul 22, 2011 8:50 AM (in response to masoud (max))

    Didn't do it for me - boo hoo.

  • sserschens Calculating status...
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    Jul 22, 2011 9:53 AM (in response to masoud (max))

    didn't work for me either using a 2009 macbook pro. my problem is just when waking for sleep it won't connect for 30 secs to a min, which is really annoying because that's just enough time for my time capsule to think i have to wifi and stop backing up so then it has to start all over after i re-connect. it's getting old. Apple, i always upgrade to new OSs the first week they launch since the first OSX and I've had internet connect issues with more than half of them. fix it.

  • rckatz958 Calculating status...
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    Jul 22, 2011 12:11 PM (in response to galmeida-us)

    The recommendation to reset the SMC worked great.  Thanks!

     

    http://support.apple.com/kb/HT3964

  • julianfromardmore Calculating status...
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    Jul 22, 2011 7:36 PM (in response to lrogersinlv)

    I have a 2007 iMac and I am having the same problem.  I have tried every posible tip that people have posted and nothing works.  Computer goes to sleep and the wifi goes out.  When I wake the computer, it says it is connected, but there is no acutal connectivity.

  • sserschens Level 1 Level 1 (0 points)
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    Jul 22, 2011 8:14 PM (in response to rckatz958)

    i tried it and thought it worked, but it did not. it seems to only not want to connect when i've had my macbook pro asleep for an extended period of time... something like more than 5 minutes. it's weird.

  • macanes Level 1 Level 1 (0 points)
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    Jul 22, 2011 8:34 PM (in response to galmeida-us)

    The SMC trick worked for me, but I didn't even have to get that far.

    After installing Lion, all of my WiFi devices (iPods, iPhones) would no longer be allowed into my access controlled WiFi network - my desktops are wired to the Airport/Time Capsule via ethernet cable.

    I had restarted several times. However, reading the guidance for the SMC reset, it said to restart, the try a _shutdown_ before going to the SMC reset. It was the shutdown that did the trick, which I had not done up to that point.

    Thanks, galmeida-us.

     

    JZ

  • alastairmac Level 1 Level 1 (0 points)
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    Jul 23, 2011 1:20 AM (in response to galmeida-us)

    I did the SMC reset, still no result. Any other ideas out there? Same problem - works fine on start-up, but on restart after sleep it doesn't allow network.

     

    Strangely, according to the network utility, it appears to have correctly picked up an IP address from our router at home but still no traffic (either email or internet/browser).

     

    Thanks in advance...

  • alastairmac Level 1 Level 1 (0 points)
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    Jul 23, 2011 1:28 AM (in response to alastairmac)

    UPDATE on no wifi after sleep issue.

     

    I noticed the following:

     

    1. The MBP does successfully pick up an IP address immediately and appears to be connected.

     

    2. It IS possible to PING other devices on the network. So connectivity is there.

     

    however

     

    3. Even though ping works OK, browsing the internet does not.

     

    Any more ideas anyone?

  • gokhanki Calculating status...
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    Jul 23, 2011 2:36 AM (in response to lrogersinlv)

    I installed Lion this morning. I have imac and I have the same connection problem, I did the SMC reset but didn't work. I don't have avast. It's really annoying. I hope it's solves very soon

  • elbowglitter Calculating status...
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    Jul 23, 2011 3:41 AM (in response to lrogersinlv)

    Same problem here.  WIfi is fine, computer gets put to sleep, and upon waking, connection errors.  But the computer says it's connected to the router.  My fix is to run diagnostics on the connection, which fixes it quickly.  But it's quite annoying.  Everything was fine until the Lion upgrade, so I have to say that it was Lion that caused the problem.

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