MacBook Air password not working

Are you at a black screen with white text? It may be looking for your WiFi password.

Otherwise take a look at this article:

If you forgot your Mac login password - Apple Support

Watch out for Caps lock, as it makes everything go in uppercase. If your Mac is tied to your AppleID, remember Apple Support Communities uses AppleID login details as well. Unless that a different AppleID you used.

Primetime30 Said:

"MacBook Air password not working: macboo Air password not working neither my apple ID"

-------

Troubleshooting the Keyboard:

Try an external keyboard. If that works, then you may need to do a few things from there. If you need an adapter, then this is on to use: USB-C to USB Adapter - Apple