I have the same problem. When windows 11had finished its update and restarted the device it asked me for a bitlocker key. It then said I would find this in my Microsoft account which told me I didn’t have a bitlocker code on the laptop.
I certainly didn’t set one up. I can no longer get into my device. What should I do please?
Thanks. Urgent request
Bitlocker problemafter update

because of bitlocker
Today I updated my laptop and after restart a Bitlocker message showed up asking for a key.
I saw that the solution was looking a bitlocker key on my Microsoft account but then another problem came up. When I tried to log in I was forced to set a recovery option for my account, I did it and then it said that I have to wait 30 days to have access to my account again so now I can't look for the key or use my own and only laptop until August 12th.
I can provide information about my account if it's required (until now I've always used it) also I have another Microsoft account
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Gaynor Mounsey 76 Reputation points
2022-08-16T15:28:42.463+00:00 1 additional answer
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Limitless Technology 37,526 Reputation points
2022-08-16T14:41:18.46+00:00 Hello there,
Can you check for the key in the link https://account.microsoft.com/devices/recoverykey
I would also suggest you to contact the support and check if you can use the account using your old credentials .
Try connecting to support from here https://support.microsoft.com/contactus
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