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Twice I have tried to upgrade to Mojave. After the install the MacBook Pro is very slow and I get the message that no WiFi hardware installed. Anyone have this problem?

  • did you check in About this Mac if it shows your hardware there – Ruskes Nov 10 '18 at 18:46
  • It would help us if you could take a screen shot of your Activity Monitor CPU usage, at least top 10 – Ruskes Nov 10 '18 at 19:00

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