How does WinXP unlock floppy disk write protection?

U disk is a USB interface, micro high-capacity mobile storage products without physical drive, can be connected to the computer through the USB interface, U disk write protection is equivalent to read-only means that the content is modified but can not be saved, is specifically for U disk anti-virus design. How does WinXP release U disk write protection? Now Xiaobian will go with everyone to see how WinXP unlocks floppy disk write protection.

The steps are as follows:

First, the software check

1, Usbmon4.0 software, process analysis, USBCleaner real-time monitoring program. USBCleanerU disk virus kills a free software, is a virus monitoring and killing tool for U disk. Many places in the network can be downloaded. The specific operation is also very simple. Click here to view the <quo;usbmon.exe” solution.

2, other software with the same function, such as HP USB flash drive formatting tool, HPUSBFW, Mformat, U disk repair tool.

Second, format

1, take out the important internal information, so that the internal U disk is empty, the purpose of this is to ensure data security is not lost.

2. Click the mouse button on the USB flash drive and click Format.

3, there is a prompt, do not check the fast, let the U disk slowly formatted.

4, after you have selected, click Start, Run, this waiting time is based on the size of your U disk, and it is related to the quality of your data transmission line, the version of the USB port. For example, 8G U disk, about a few minutes, how much you have, refer to yourself.

5, after you have a good time, try to see if U has been unlocked. If not, there are the following ways. Don't worry.

Third, check the update driver

1, this chance is very small, but we can not let go.

2, right click on "My Computer" - "Properties --" Hardware - "Device Manager -" Universal Serial Bus Controller, check whether the item in the item All are normal, if there is abnormal, you need to update the driver.

Fourth, the registry repair

1, if the format, update the driver, or useless, then try to change the computer, see if you can contact.

2, open the bottom left corner of the computer - run, enter English regedit, you can!

3, into the registry HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet002\\Control\\

and HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\ two columns have StorageDevicePolicies sub-items, and this sub-item Is there a WriteProtect value, if it is, change its value to 0 and then skip to step 5; if not, proceed to the next step.

4. If the above two are OK, continue to look at this place. Still in the registry, check HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\StorageDevicePolicies

If there is no StorageDevicePolicies item, right click on the Control, create a new item, and rename the new item to StorageDevicePolicies) Finally, the Dword value is newly created directly in the white space on the right side, the name is changed to WriteProtect, the value is set to 0, and the completion is completed.

5. Click again to shut down the computer and restart. Try U disk OK. If not, continue to the next step.

V. Changing the format

Because of the previous computer hard disk, system limitations, so many hard disk formats are FAT32 format, now let us convert it to NTFS format.

After inserting your USB flash drive, find your USB flash drive in the last one, right.

If your U disk is H: disk in the computer for example

1, win+r input cmd.exe, you can also attach the command prompt;

2 Use the convert command, but this convert command can not convert the current disk, so operate under any drive letter other than H:, here is the d: disk directory as an example;

3. Enter the following command convert H: /fs :ntfs /nosecurity /x.

4, this method can only be used as an emergency. After restarting, the problem occurs again. Continue to select the USB flash drive, click the right mouse button, click Properties, and see the hardware block. Select an attribute and click on the policy. Choose your own U disk company, each factory company symbol, model, letter is not the same. Change the strategy to the one below and tick it. Shown. problem solved. Because I am following the changes in the above two steps, you can try to change the strategy without converting the format to see if it is feasible.

WinXP floppy disk write protection method will be introduced to you in detail; if you do not need U disk write protection can be lifted, do not know the above mentioned methods are also available, you can follow the above method to operate Yes!