mac keeps asking for apple ID

If you have any add-on security apps, or any add-on first-few-hops VPN client apps, or any cleaner apps, remove it all per the vendors’ instructions. Boot into Safe Mode, and try again: Start up your Mac in safe mode - Apple Support

al74green wrote:

thanks, unfortunately this didn't help, still repeatedly asking for password

Restart the Wi-Fi router too, and confirm its firmware is the newest.

Download and run EtreCheck, and share the report to the clipboard. Then open a new reply here and press the additional text button that looks like a printed page to get a text input box big enough to paste the hardware and software configuration report here, and paste and post the report here.