login password not working

Reset your Mac login password…

https://support.apple.com/guide/mac-help/reset-your-mac-login-password-mh35902/mac

jimelu Said:

"login password not working: how can the login password be reset"

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A Couple of Thoughts:

• Reset the SMC and NVRAM:

Sometimes changes are made to the system and then settings (i.e. for USB Ports/Keyboard) become manipulated, technically.  So, reset both on your Mac.

• Use An External Keyboard:

It Doesn't have to be Apple brand. You might need this adapter: USB-C to USB A Adapter - Apple

• Check Caps Lock:

Perhaps Caps Lock is n and needs to be reset

Any luck yet?