Home Mini freezes up an lights stay on with questions but doesn't respond.

[Hanks]

The Home Mini freezes up and lights stay on with question with no response.

[JillG]

Hi @Hanks 

Try doing a factory reset: Factory reset Google Nest or Home speakers or displays - Google Nest Help  and set up the MIni as new again.

If that doesn't help try a reboot your home network and there is also a troubleshooter for devices: Troubleshoot an issue - Google Nest Help