Windows 7 - Help plz ,, problem with diskpart

Hi

i want ur help plz >

i have sony vaio usb flash disk 16GB ..

i have play with disk part trying to format it and making new partition ,

but i do not know what happen ,, now the flash is with size 189 mb .

i try to clean it from diskpart but i can't i have this mesage "diskpart has encountered an error the media is write protected "

i try many sol in the web but now one helped me >>

help plz


thanks

Why are you trying to format USB Flash Drive with diskpart? Just plug it and quick format it by right-clicking on the USB Drive in My Computer

now i can't

its appear that the disk write protected and the size appear 198 mb and its orignal size 16 gb !!

Don't forget to check if your flash drive has a write protect switch (to keep data from accidentally being erased.) If it has such a switch it needs to be off.

Try the attrib command from diskpart, as explained here (makes sure you read the first comment as well).

Windows 7 RC0 disk is write protected | EnX Blog

If that doesnt help, try this method.

Remove Write Protection On USB Pen Drive or Memory Card or iPod

If that too doesnt work, try a 3rd party utility - HP format tool.

Download HP USB Disk Storage Format Tool 2.2.3 Free - Windows-based Format Utility for HP Drive Key or DiskOnKey USB Device - Softpedia

Thank you all >>

I tried all the ways but my problem still >>

Well, try running chkdsk on the flash drive.

Where did you buy this stick from and what were you doing after which the problem arose?

chkdsk does not work for fat >>>

i tried to clean the flash but i can not clean it >>

up >>

help plz

This one looks a lost cause. Try this tool anyway.

Check Flash Review - Check Flash Download - Softpedia