Keyboard and Trackpad not working
I replaced the trackpad of my Macbook Air and after the power up trackpad and keyboard are working fine.
Then I type in my password and the system is booting. After this reboot keyboard and trackpad are completly dead. An external mouse is working fine.
The system reports, that there is no keyboard.
I rebooted several times, but the behaviour is still the same: right afer power up keyboard and trackpad are fine, when the reboot is complete, both are inoperable.
I resetted the NVRAM, no change.
Is anybody having an idea what to do?
Many thanks in advance.
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