I posted the same question in one of Microsoft's forums. They say most of the modern laptops nowadays, when you install the professional edition of windows it AUTOMATICALLY activates bitlocker on the pc. It also automatically saves the recovery key to your Microsoft account. This is by design.  According to previous messages by you the Dell update program auotmatically suspends bitlocker for bios updates. That's why I didn't experience any problems with bios updates and bitlocker. You can now close the case. Thanks.