Change current path to your flash drive letter (like G:, D:, K: or whatever your flash drive is).Type CMD and press enter (it will open Command prompt in administration mode).Plug flash drive to your PC (with Windows 7).So do the following steps to resolve the issue. Dismount mode will remove all of the open handles from the flash drive volume and you can easily ditch the write protection mode. Get a backup from your flash drive and format it in dismount mode. But unfortunately my flash drive wasn’t an HP one, so, what should I do? Some of simple flash drives which don’t have a hardware key, cannot use write protection, but in some cases which Controller corrupts, content of flash drive will be write protect (including my flash drives).Īccording to my search results, some of the producers like HP, provide an application which install flash drives Controller again and resolve the problem. Those flash drives which own hardware key to control write protection in flash drives, work with this controller. Windows or other Operating Systems collaborate with this controller to access files. (Actually it is something like File System but work differently). This controller install in flash drive whit producer, and it is responsible for accessing flash drive files. But none of them worked for me finally I found the best solution which worked for me.Įach USB flash drive has its own Controller (or something like it). I surf all over the web and try more than 10 different solutions to resolve this issue. Actually it had been write protected despite it doesn’t have any write protect key in sides. But recently I was dealing with an issue with my USB flash drive which I couldn’t copy any file on it. USB Flash DriveThis is a technical blog and I hardly ever write an unrelated article on it.

Disable write protected usb