All of a sudden i'm getting the message wifi no hardware installed

All of a sudden I'm getting a message Wifi- no hardware installed

What hardware do you have installed?
All of it please.. and roles and function of each item.
ISP.. modem??.. main router?? .. AE of some sort?? ..
Have you reboot all of this and start up in correct order.. exactly as pictured above in exactly the sequence.. left to right. 2min between each.
If you installed Yosemite on your MBP .. welcome to the club.. networking is pathetic.
Reset the PRAM and whatever else.. wireless.. can be a total pain on Yosemite.

Similar Messages

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    try this help from Apple (is officially written for an older version of OSX, but goes for Mavericks as well.)
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    What hardware do you have installed?
    All of it please.. and roles and function of each item.
    ISP.. modem??.. main router?? .. AE of some sort?? ..
    Have you reboot all of this and start up in correct order.. exactly as pictured above in exactly the sequence.. left to right. 2min between each.
    If you installed Yosemite on your MBP .. welcome to the club.. networking is pathetic.
    Reset the PRAM and whatever else.. wireless.. can be a total pain on Yosemite.

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