sigh… backups, all those with important data need backups. But most do learn the hard way, so make sure that is the one thing you take advantage of.
Search for the debrick/unbrick guides on this forum. There are a couple, pick one.
Or also look into this, if willing to have some other OS on mycloud.
To recover files, you have in your hands a Debian linux hard drive. You can install in Win/OSx software that allows you to see the drive partitions (lots out there on the internet), or use a Linux machine or Live CD.
