Asking for Login/Username at start

I need help for following problem: After the start Pi asks for a login/Password. After entering osmc::osmc I land in CLI and can not start Desktop (command sudo systemctl start mediacenter just doesn’t give anything). At the very beginning I get short message like FAILED to start BROADCOM 43xx Bluetooth HCI. Does this show on some hardware error?
Any advice how to come to Desktop GUI?

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