A laptop lock is similar to a bike lock, in that the cabled lock is designed to keep your laptop computer in one place (such as a desk or table). However, if you do not have the key to the lock, you need to find a way to unlock the device, if you want to take the laptop with you. To do so, you may use a few easily accessible tools to unlock your laptop's lock.
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Cut out a small square section of a toilet paper tube, then twist the cut section around a small, circular object, such as a pen. You want to make a small, circular tube with the cut piece.
Secure the created tube with a piece of tape.
Insert the circular cardboard into the lock (where the key is used) and twist the tube to the right.
Continue turning the tube until you hear a slight click. Pull the lock off of the computer and it disconnects, freeing your computer from the lock.