If you are using a Time Machine backup and you get the message “No Volumes Found In Backup”, there are a few things you can do.
First, make sure that your backup disk is connected and that you have enough space on it.
If your backup disk is connected and you have enough space on it, try restarting your Mac.
If your backup disk is connected and you have enough space on it, and restarting your Mac doesn’t work, try …