
When you click on Turn On BitLocker, you'll see the screen shown here.
Before you continue, insert a USB data key of any size. This will essentially be the "ignition" key for your PC from this point on. Once BitLocker is enabled, you won't be able to start your PC without this key (or some other key with a replica of the hidden information on this key). You might want to keep this USB key on your key chain instead of in the bag with your laptop in case your bag is stolen.
Credit: TechRepublic




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