What should I do if the U disk write protection is invalid in the win7 computer?

It can be said that the U disk is the most widely used external computer device in our win7 64-bit flagship computer. Many office workers are very familiar with the U disk, because we need to use it in our daily office. But on the other hand, the security of the U disk has become a very troublesome problem. It is poisonous and damaged, and many users are worried that the files in the U disk will be damaged. How to solve this situation? In fact, the best way is to write protection for our U disk in win7 Ultimate computer, but recently, users who use win7 Ultimate computer show that their U disk is invalid when writing protection. Then, how do we solve this problem? Below, Xiaobian will introduce it in detail!

The first situation: Under normal circumstances, we have to set the U disk as write-protected state. You must first remove your U disk from the win7 Ultimate computer, and then open the write protection. After you finish, connect your U disk to the win7 Ultimate computer, so that the win7 Ultimate computer can recognize it.

The second case: Of course, if the U disk is inserted on the USB interface and the write protection is turned on, then we still need to remove the U disk first, and then re-connect.