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I have a MacBook Pro (Early 2015) and roughly 2 years ago, the keyboard and the trackpad stopped working. So I stopped using it.

Two days ago, I had the idea to try it again. And it did still not work.

Then, I tried to install Pop!_OS via USB and I was able to use my keyboard and my trackpad already during the installation process.

A friend of mine has sent me a USB flash drive with macOS Catalina on it to try a fresh installation. However, the problems are back and while trying to install macOS, I am again, unable to use my keyboard nor the trackpad.

What could be the problem here? The hardware itself works fine for obvious reasons.

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4
  • If you boot into Recovery (Cmd-R while booting), does the track pad and keyboard work?
    – Allan
    Commented Oct 26, 2020 at 13:13
  • Just with external keyboard.
    – SGL
    Commented Oct 27, 2020 at 11:06
  • After you get into recovery, do they work?
    – Allan
    Commented Oct 27, 2020 at 11:18
  • No, they don't.
    – SGL
    Commented Oct 28, 2020 at 12:46

1 Answer 1

Reset to default
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It seems that your issue is not with the macOS itself but rather due to the hardware controller inside your computer. In such cases, you should reset the System Management Controller (SMC) by following the steps below:

  1. Turn off your computer
  2. Press and hold Shift + Control + Option (Alt) + Power Button for 10 seconds
  3. Release the keys and let the macOS boot up
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