I have a Mid 2010 MacBook Pro, running macOS High Sierra. Recently, the Wi-Fi suddenly stopped working and won't turn on again. I have tried these solutions:

  1. Removing AirPort config files from /Library/Preferences/SystemConfiguration.

  2. Removing Wi-Fi and adding it again from System Preferences → Network.

  3. Resetting PRAM while booting.

All of these work temporally, but again after a while (10 to 30 minutes of using Web) the problem re-appears.

Any idea as to what the problem is and how can it be solved?

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