What should I do if the TF card write protection cannot be formatted? TF card write protection method

TF and U disk, mobile hard disk, will also be annoying for users because of write protection problems, of course, write protection status is not necessarily considered operation, sometimes not pop TF directly Pulling out will also cause write protection to automatically turn on. To release the TF write protection, see below for the TF card write protection release method.

Many of the U disk, SD card and card holder has a slider switch, we toggle the slider can be write-protected and remove the write protection settings. In addition, some SD card sets for TF cards have the same write protection function as the SD card mentioned above. Of course, the hard disk (hard disk and mobile hard disk inside the computer) also has this function, and also see if there is any write protection. Just write the slider to remove the write protection. If you can't remember to dial a few times, you can eliminate the situation where the dialing is not in place and the contact is bad.

Those who do not write protection function U disk, SD or FT card (memory card) as well as the above mentioned features but can not afford to have a protective effect slider prompt the disk is write protected how to do it ? There is a solution to this phenomenon:

Method one, use the error correction command

No doubt, first use the Windows system disk detection and repair command to try to solve this problem. Please follow the prompts:

Open the run (shortcut Win+R) → enter “CMD”→ enter the run window (black window) after entering, enter “k:” (colon is essential , K represents the disk drive letter with write protection, everyone changes their own actual situation), then enter: CHKDSK /F Enter.

Note: If your system is set up itself to removable disk write protection, so this method is not valid (in the registry, we will discuss below). The system will prompt: The current drive cannot be locked. Because the volume is set to write-protected, Windows cannot perform a disk check on it.

Method 2, modify the registry

As mentioned above, if you use the system's CHKDSK /F error correction command, the system displays: "The volume has been set to write protection" . Then it is very likely that your operating system registry has been added the "StorageDevicePolicies" item. We can remove the write protection by simply deleting it or modifying it.

1, run Open (shortcut Win + R) & rarr; Input: Enter regedit;

2, find the directory: HKEY_LOCAL_MACHINE \\ SYSTEM \\ CurrentControlSet \\ Control \\ StorageDevicePolicies ;

3, after the click StorageDevicePolicies, will see a window in the right column there is a writeProtect;

4, right-click & rarr on writeProtect; modify (M) & rarr; pop In the window, change the number 1 in the space below to "0" in the window.

Note: If you do not see StorageDevicePolicies then this method does not apply to you (but you can try to create StorageDevicePolicies and WriteProtect, but the basic little hope).

If the above method can not release the TF card write protection, you can use the USBoot software to fix it, see the tutorial "How to repair the TF card using USBoot".

The methods described above all have the risk of data loss. Please be prepared. The process of repairing the TF card cannot be interrupted, otherwise the TF card may be unusable.