U disk write protection problem tangle a lot of friends, everyone in search win7 system how to remove U disk write protection. But the variety of answers on the web is everywhere, and it doesn't work. Then pocket PE small knitting here to guide everyone win7 system under How to remove U disk write protection.
Right-click on "My Computer" or "Computer"-"management"-"Disk Management", as long as you can see the disk of U disk in here, OK, indicating that your u disk is normal, as shown in Figure 1:
Figure 1
Right-click to choose the format, file format selection FAT32 (the default is fat, but most of the U disk is FAT32), small series This u disk is FAT32. Right click on the U disk letter, choose Format, click "Yes", you quickly see "good condition" a few words, format completed. As shown in Figure 2:
Figure 2
Another is to modify the registry to resolve the problem:
1: Open registry Win+r (that is, start-run) type Regedit.exe
2: Enter the following directory
Hkey_local_machinesystemcurrentcontrolsetcontrolstoragedevicepolicies If there is no storagedevicepolicies item, this item is established
3: Establish a DWORD value named Writeprotect and make it a value of 0
4: Restart the above for normal operation, but in the actual operation, such as on the operation sometimes can not solve the question of write protection
, then continue with the following actions:
5: Reboot with U disk reboot when the system reset to u disk light flash, unplug u disk
6: After the system reboot, insert U disk, u disk operation resume Normal supplementary note: the registry
Hkey_local_machinesystemcontrolset002control storagedevicepolicies; The Writeprotect value in Hkey_local_machinesystemcontrolset001control storagedevicepolicies was also changed to 0.
ok,win7 system under How to remove the U disk write protection, we just follow the above operation can be.