In some cases damage to the flash, there are 2 types of cases the damage that occurred on the flash, the flash was already broken in because it is a component that has been disrupted, but there are also cases of damage to the flash that is located on the damage to its software.
Now, for the second case the damage is located in the flash of the damage to its software this is the case usually occurs in most flash, flash and is usually directly in the waste by its owner.
Actually there are several ways to correct the flash is broken because of the damage by the software which is located on the flash. here is how it:

1. Download HP software utility boot drive through this link
2. install software that has been downloaded.
3. install flash to your computer
4. run applications that are installed in the earlier
5. Select the type of format the disk in use (FAT, FAT32 or NTFS)
6. Select the Quick Format
7. Select Create New or Replace Existing Configuration

In some cases there is also a success that it does not, it depends on the location of the damage, if the software is located on the flash disk is the flash disk can use it again.

But if the damage to the location of its components, the damage can not be this way.