Follow This Steps
- First of all you have the drive letter please open my computer and note the drive letter (Example:- I have to format a pen drive whose letter is : H )
- search command prompt by typing cmd in windows search right click run as administrator
- Now type format H: (here my drive is H change it accordingly)
- Now Hit Enter Twice.
- Now your drive start formatting.
- After some It will ask you to enter the drive letter which you have been formatting.Type H (here my drive is H as you seen before so change it accordingly)
- When it say format complete then it means that you format your drive using command prompt without any error.



