That is highly unlikely. The default configuration with a password includes a verification with the TPM. So the process is like this: power on -> BitLocker as

That is highly unlikely. The default configuration with a password includes a verification with the TPM. So the process is like this: power on -> BitLocker asks for password -> password unlocks the TPM -> TPM does its boot verification -> TPM releases the encryption key -> you can boot into win If you're on a win home installation the password thing isn't even an option, you just get boot verification and have to retrieve the recovery key from your microsoft account if TPM trips (imo somewhat questionable by MS).