Recovery on LENOVO laptop + TPM + Bitlocker

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I got a laptop for data recovery, laptop is fine and we can boot it to logon page (hit CTRL + ALT + SUPPR to logon)
When credidentials are entered i got an error No Authentification Server is available.
It was part of enterprise that closed so AD server are no longer accessible.
Bios is looked and you can't change the booting device, due to TPM

Does someone have any idea, i personaly think it's a game over case