U disk can also be read and write, don't miss it!

U disk has important documents and fear that they forget, it is best to prohibit the U disk write operation, so set to read-only status is not afraid of mistakes. However, U-disks do not have write-protection functions such as TF cards. This requires other methods.

First create a new text document and enter "Notepad" in the start menu (Notepad).

Next, enter the following code in Notepad:

@echo off

Reg add HKLM\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies /v WriteProtect /t REG_DWORD /d 00000001

Pause

After the input is complete, click on "File - Save As" in Notepad. Select Save as "All Files (*.*)". Enter a file name, for example, read-only U-disk.bat. Note that the suffix name must be. Bat.

When you need to use, right-click the .bat file, select "Run as administrator", and follow the prompts.

At this time, insert the U disk again, try to write to the U disk to copy the file has been banned, and only read the contents. Want to restore the U disk to read and write is also very simple, just edit the .bat file (Right - Edit), the code 00000001 replaced by 00000000 save and run on it. In addition to remind you, if it is in the prohibit U disk write operation U disk is still on the machine, you need to re-plug the U disk to see the banned write effect.