U disk writes protection, installed A, format failure can not be opened. If you have information but

Your USB flash drive is not inserted into the memory card with a card sleeve.

Your USB flash drive is poisoned, it is recommended that you go to the next USB flash drive antivirus expert, kill the poison well, and you can completely solve the problem of USB flash drive writing protection due to viruses.

Two possibilities.

1.Poisoned, kill on a computer that is sure there is no poison.

If there is a problem with the disk firmware, you need to reflash the firmware, and each brand of USB flash drive has a tutorial for flashing firmware, search on the Internet.

Open the USB flash drive shell and plug in the chip directly, and you're good to go.

The U disk is written protected and cannot be formatted, how to remove the U disk protection.

Caused by improper operation, the original file system is corrupted, manifested as unable to open (a few can be opened, can see the files inside, but will show write protection, unable to operate on it), unable to format, as far as I know, can only be re-produced through mass production tools

It is recommended that you first use the chipgenius software to test what type of chip your USB flash drive is, and then go to the Internet** a corresponding mass production tool to reshape it for mass production or low level, in order to achieve the factory settings, this will be more troublesome, but no way, if it is a 1G, 2G disk, I usually recommend throwing it away, I hope you can succeed!

Well, mass production tools recommend that you go to Digital Home** their mass production tool image package, which integrates almost all the mass production tools, you just try them one by one, remember, there will be many different versions of mass production tools for the same model of chip.

By the way, if you want to save the data inside, it is recommended that you **easyrecovery this software to recover the data in your USB flash drive first, and then mass production, easyrecovery This software has a good reputation.

Of course, the best way is to go to a dealer and ask him to repair or replace it for you.

Hm, yours was just bought? Well, the first time you use the USB flash drive, you need to format it once, but generally this step is not done by the customer

The USB flash drive may be damaged. Let's change it.

One-click to remove the write protection of the U disk, how to remove the write protection of the U disk, a look will be!

Unless it has been physically damaged, it is impossible to mass produce, is it because the mass production tools are not matched or the method is inappropriate?

The chip and mass production tools are not matched.

Changing the RAW format means that the USB disk is not broken,It's best to see the chip model inside,And then choose a mass production tool according to the chip model,Sometimes it's a meticulous job,