Previous 1 6 7 8 9 10 Next 278 Replies Latest reply: Dec 2, 2012 11:44 PM by 2yb Go to original post Branched to a new discussion.
  • kevinrobers Level 1 Level 1 (10 points)

    Just tried and it seems to be working after waking up from sleep .

  • federicofromchicago Level 1 Level 1 (0 points)

    does the computer from which you copy the plist files have to have the same airport card and firmware? or does that not matter?

  • jacen2141 Level 1 Level 1 (0 points)

    That doesn't seem to matter. The files I used came from a 2010 MacBook Pro.

  • kevinrobers Level 1 Level 1 (10 points)

    The files i used came from the latest Macbook Pro so i think it doesn't matter but didn't check the airport card and firmware versions

  • peterfromwallingford Level 1 Level 1 (0 points)

    I too am having problems with wifi connections after upgrade to Lion from Snow Leopard on my IMac. Repeated turning wifi on and off eventually accomplishes the connection. If I walk away and the computer goes to standby, I loose the connection again.  So annoying that I'm considering reinstalling Snow Leopard that was working just fine. This many people having issues and no response from Apple. What's up with that.

  • Roman_G Level 1 Level 1 (0 points)

    + 1


    same mid 2008 mbp + lion : /

  • Gabriel_gabo Level 1 Level 1 (5 points)

    Solved temporary going to system preferences,net, airport, advanced, tcp/ip configure ipv6 to local only.....mine was in automatic.

  • Dchilders001 Level 1 Level 1 (0 points)

    Same issue here.  Worked fine for one day then just stopped .  I've tried everything mentioned in this thread but nothing changes.  Bad, bad timing for me.  I sure hope Apple addresses this or I will have to back up to SL. The last line in the specs says it all


    Here are the specs on my machine. 

    Processor  2.4 GHz Intel Core 2 Duo

    Model Name:          MacBook Pro

      Model Identifier:          MacBookPro3,1

      Processor Name:          Intel Core 2 Duo

      Processor Speed:          2.4 GHz

      Number of Processors:          1

      Total Number of Cores:          2

      L2 Cache:          4 MB

      Memory:          4 GB

      Bus Speed:          800 MHz

      Boot ROM Version:          MBP31.0070.B07

      SMC Version (system):          1.16f11

      Serial Number (system):          xxxxxxxxxxxxxxxx

      Hardware UUID:xxxxxxxxxxxxxx

      Sudden Motion Sensor:

      State:          Enabled


    Software Versions:

      CoreWLAN:          2.0 (200.46)

      CoreWLANKit:          1.0 (100.43)

      Menu Extra:          7.0 (700.42)

      configd plug-in:          7.0 (700.57)

      System Profiler:          7.0 (700.3)

      IO80211 Family:          4.0 (400.40)

      WiFi Diagnostics:          1.0 (100.26)

      AirPort Utility:          5.5.3 (553.20)



      Card Type:          AirPort Extreme  (0x168C, 0x87)

      Firmware Version:          Atheros 5416:

      MAC Address:          xxxxxxxxxxxxxxxxxxxxxxxx

      Locale:          FCC

      Country Code:

      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, 149, 153, 157, 161, 165

      Status:          Network Service Inactive

  • kevinrobers Level 1 Level 1 (10 points)

    Hmm sounds like a different problem to me. What exactly did you try? Does your ethernet connection work?


    @peterfromwallingford Apple is working on it. Some of us are in contact with an Apple engineer that is looking into it but it takes some time

  • Dchilders001 Level 1 Level 1 (0 points)

    Ethernet works fine.  I've been reading the thread and am waiting on Apple, just wanted to add my specs in case they would help.

  • jacen2141 Level 1 Level 1 (0 points)

    Any word from anyone?  I haven't heard back from my support engineer in several days. 

  • logix812 Level 1 Level 1 (0 points)

    I am having the same issue.  If I turn my wifi off and then attempt to turn it back on, it will not turn on. I have to reboot the computer to get it back.


    I'm running a Early 2008 MBP 17" 2.5ghz Core 2 Duo under Lion (11A511)



    CoreWLAN: 2.0 (200.46)

    CoreWLANKit: 1.0 (100.43)

    Menu Extra: 7.0 (700.42)

    configd plug-in: 7.0 (700.57)

    System Profiler: 7.0 (700.3)

    IO80211 Family: 4.0 (400.40)

    WiFi Diagnostics: 1.0 (100.26)

    AirPort Utility: 5.5.3 (553.20)


    Card Type: AirPort Extreme  (0x14E4, 0x8C)

    Firmware Version: Broadcom BCM43xx 1.0 (

  • SacredKow Level 1 Level 1 (0 points)

    I have this same config and I have the same issue.... it actually started back in Snow Leopard, which I believe is different then many people here have reported. It's the reason I upgraded to Lion in hopes of getting my wifi back. It got to the point where I reboot would "fix" the issue but it never lasted long. Sometimes minutes, sometimes a day.


    With Lion Ihad wireless support for a few days, even after sleeping the system. Now it is dead. A reboot seems to have no impact. Just an empty pie slice up by my clock... I want my pie back.


    I think if you do some digging you will actually see this has been an issue for Apple for quit some time. not just with Lion. I'm rather disappointed Apple has let it go on this long. It's been nearly a year for me. It was nice to see people posting interactions they had with Apple engineers but that seems to have gone cold now.


    Here's my specs:


    Software Versions:

      CoreWLAN:    2.0 (200.46)

      CoreWLANKit:    1.0 (100.43)

      Menu Extra:    7.0 (700.42)

      configd plug-in:    7.0 (700.57)

      System Profiler:    7.0 (700.3)

      IO80211 Family:    4.0 (400.40)

      WiFi Diagnostics:    1.0 (100.26)

      AirPort Utility:    5.5.3 (553.20)



      Card Type:    AirPort Extreme  (0x14E4, 0x8C)

      Firmware Version:    Broadcom BCM43xx 1.0 (

      Wake On Wireless:    Supported

      Status:    Off



  • plax Level 1 Level 1 (10 points)

    I have the exact same issue. WiFi won't turn on on my Late 2008 Macbook Pro after upgrading to Lion and restarting.


    Still no fix for this?



  • kevinrobers Level 1 Level 1 (10 points)

    The temporary fix is to get the content from the /library/preferences/SystemPreferences folder of a working mac and replace your own files and reboot. This works until your next reboot. Is anybody still in contact with Apple?

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