You will need
  • mmcpwd
  • HP USB Disk storage
  • JetFlash Recovery
Instruction
1
To begin, consider the option of unlocking more about the format. Install a program on your computer JetFlash Recovery. It is very easy to use. Simply specify the desired drive and press "Start". After some time your USB drive will be unlocked.
2
If we are not talking about USB media, and on a miniature USB flash drives, such as MircoSD or SD, then you'll need another utility – mmcpwd. Install it on your computer, locate the file mmcstore, move it to a USB flash drive. Change the file extension to .txt. Open the file. Its contents will look something like this: ????2?? 4??? 2??? R??. This means that the password to a USB flash drive: 242P.
3
If there is no time to deal with saving data on the flash drive, then install program HP Usb Disk Storage Format. Run it, select the drive and format.