Question [Q] Yarvik 201 wont start, red triangle and no pc-connection

Hey Guys,
I got a used Yarvik 10-201 from a friend of mine. Dont know what he did, but he seemed to brick it while trying to flash something.
Problem is:
Its stuck in a bootloop (just a loading icon is displayed).
Recovery is just the Dead-Android/Red-Triangle Symbol.
And I cant get any connection to PC (via usb) neither while bootloop or while beeing in the damaged recovery.
Any of you guys know how to find the problem/ a solution?

Thanks.