Cannot connect to Wi-Fi on my MacBook Pro

Wi-Fi-Fi wrote:

I can't get the wifi to work in my MacBook Pro.

[Re-Titled by Moderator]

old issue, new issue, what changed?

Shut down and restart all devices... Mac/Modem/router and try again

ref: https://support.apple.com/guide/mac-help/if-you-cant-connect-to-a-wi-fi-network-on-mac-mchlp1185/mac

What kind of error you received? I got this issue fixed by removing the external drive connected to my Mac.