My FIL has an HP Spectre laptop.   All of a sudden, he got a bitlocker recovery BSOD.  I'm sure he fucked something up, but that's beside the point. He has no recollection of either enabling bitlocker encryption or storing the key.  There are three possible M$ accounts to which he might login to find any such key.  The only problem is, all of them go to some bullshit blank login.live.com  . . . . . screen.  One account, to which another windoze box is logged in, will show, but doesn't