wifi hardware installed...restart...fine...

Discussion in 'MacBook Pro' started by btownguy, Mar 11, 2015.

  1. btownguy macrumors 6502a

    Jun 18, 2009
    Just this week I've started to experience an issue with my mid-2009 15" MacBook Pro. I'll be working along and suddenly everything will freeze. About 10 seconds will go by and then the computer will restart itself. When it comes back the wifi icon doesn't look normal and if I click it it says "no wifi hardware installed". If I shut the computer completely down and turn it back on, everything comes back normal. This has happened 3 times this week. Any idea what's going on? I'm running Yosemite 10.10.2 with all of the latest updates.
  2. btownguy thread starter macrumors 6502a

    Jun 18, 2009
    Does this work on Yosemite machines as old as mine? I powered off the Macbook, pressed and held the "D" key, powered it on, and continued holding the "D" key. Nothing out of the ordinary happened and I got my regular login screen eventually.
  3. Raunien macrumors 6502

    Aug 3, 2011
    If your macbook came before 2012-2013, you need the original install disc of the operating system that came shipped with your machine. In your case could be 10.5 leopard?

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3 March 11, 2015