How to format a pendrive in windows 7 when windows is unable to do so

[himanshu8055]

i am a windows 7 user two days back when i inserted my sandisk's pendrive a notification occured that i cant use the disk without formatting and when i started formatting another notification occured that "Windows was unable to format the disk"and now i am unable to format it via command prompt too. please help me out in formatting the pen drive otherwise i will be unable to use my pen drive.

 

[Phillip Corcoran]

The pen drive has reached the end of it's life. Bin it and buy a new one.