Lock Your Computer With USB Flash Drive

Security of laptops and notebooks have been evolving with new technologies like fingerprint readers, eye scanners, face recognition etc but what about the personal computers?

Using this trick you will be able to lock your computer with a Usb. The computer will work only when the Usb is plugged in. Once the Usb is removed keyboard and mouse will automatically get disabled and your screen will get dark. Moreover your computer will get automatically locked. To unlock the computer you will need to insert the Usb again.

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Remove Write Protection on USB Drive & Memory Cards

Many times using your portable devices you get errors like the disk is write protected like in the image on the right hand side. So this can happen anytime due to virus attacks or anything can be the cause. So recently I got main from one of my reader so she was asking that his  card has become write protected so what he can do, well there are two ways you can try to remove its write protection so check them below.
Firstly I will recommend checking for any physical lock on that card or USB, because many times company’s provide a lock write attached to the card for making it write protected, so check that up make sure its off and than also if you are not able to copy stuff to your card than follow below methods.

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