How to release the read-only mode of USB disk

The U disk read-only mode troubles many Lenovo Windows 7 system users, because U disks are now widely used, but if the U disk is in read-only mode, it cannot be used in the U disk. For anything, how to remove the read-only mode of a USB flash drive under win7 system has become a problem for everyone. Next, let the editor introduce to you how to remove the read-only mode of a USB flash drive under win7 system.

Right-click "My Computer" or "Computer" - "Management" - "Disk Management", as long as you can see the drive letter of the U disk here, OK, it means your U disk It is normal, as shown in Figure 1:

How to remove the U disk read-only mode under win7 system Figure 1

Right-click and select the file you want to format Select FAT32 as the format (the default is FAT, but most U disks are FAT32). This U disk is FAT32. Right-click the USB drive letter, select Format, click "Yes", you will soon see the words "Good Status", and the format is completed. As shown in Figure 2:

How to remove the U disk read-only mode under win7 system Figure 2

Another way is to modify the registry to solve the problem:

1: Open the registry win r (i.e. start-run) and type regedit.exe

2: Enter the following directory

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlStorageDevicePolicies If there is no StorageDevicePolicies item, create this item

　3: Create a Dword value named WriteProtect and set its value to 0

　4: Restart the above is a normal operation, but in actual operation, the above operation sometimes cannot solve the write protection problem. Then continue the following operations:

5: Restart with the U disk when restarting. When the system restarts until the U disk light flashes, unplug the U disk

6: After the system restarts, insert the U disk. The U disk operation returns to normal. Additional explanation:

in the registry, the WriteProtect value in HKEY_LOCAL_MACHINESYSTEMControlSet002Control StorageDevicePolicies; HKEY_LOCAL_MACHINESYSTEMControlSet001Control StorageDevicePolicies is also changed to 0.

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