AirPort says 'No Hardware Installed' after replacing it ?

I have a MacBook Unibody model of 2008 and i was using it when it decided to crash. I restarted it and the wifi wasnt working and it told me No Hardware Found. Since here we don't have any apple stores and it was out of garantuee, i decided to buy a new one and fix it myself. However after replacement and a formating it, the was telling me the same thing. Any solutions ? thanks a lot

Test after taking each of the following steps that you haven't already taken. Back up all data before making any changes.
1. If you can connect to the Internet via Ethernet, Bluetooth, or a USB network device, make sure all available OS X updates are installed. If Wi-Fi is your only means of network access, skip this step.
2. Reset the NVRAM.
3. Reset the System Management Controller.
4. Boot into Recovery. In the OS X Utilities screen, select Get Help Online. A copy of Safari will launch. Test. If Wi-Fi works now, quit Safari and select Install OS X. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade, so make a note of those before you begin.
5. Take the machine to an authorized service center for testing.

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    my macbook pro 15inch running on maverick when i try to click on wi-fi says no hardware installed please help i need wifi and and under network staus wi-fi is fail and under network airport is not connected can anybody help the wifi icon has a x and does not even let me turn it on

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    Hold the keys down until the computer restarts and you hear the startup sound for the second time.
    Release the keys.
    After resetting NVRAM or PRAM, you may need to reconfigure your settings for speaker volume, screen resolution, startup disk selection, and time zone information. If issues persist, your Mac's logic board battery (not a portable Mac's rechargeable battery) may need to be replaced. The logic board battery helps retain NVRAM/PRAM settings when your computer is shut down. You can take your Mac to a Mac Genius or Apple Authorized Service Provider to replace the battery on the logic board.
    3.
    Genius Bar Reservations

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  • When Mac Pro pro stops having wireless and says no hardware installed what does that mean. I try to turn it on and it doesn't work. Does that mean it dies. IT is a macbook pro from June 2009

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