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fundanglr

167 posts

Master Geek


#224027 29-Oct-2017 15:24
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hey there, does anyone know of a format or repair tool for usb, i accidently formatted it in the wrong file format, and now it wont format ..


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phantomdb
553 posts

Ultimate Geek

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  #1892167 29-Oct-2017 16:10
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try using a partition tool and delete the current partition and start from there. the windows one should work fine.





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NightStalker
243 posts

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  #1892213 29-Oct-2017 18:34
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This happens to me a lot doing USB boot disks.

 

The usual fix using a windows pc is.

 

     

  1. Open dos prompt and type diskpart or from the run command box in start menu type diskpart
    it will probably ask for permission to start Diskpart
    you should end up with a text command window with "DISKPART"
  2. type "list disk"
    This will display all drives in your computer.
    Take note of the Disk # of the USB  (this is important it will delete the drive so don't get it wrong you can normally tell by the GB size of the USB)  (Also note that the # can change if you need to repeat the process or use another USB drive - Don't assume its always the same number every time you do this with a USB)
  3. type "select disk #" (# is the number of the USB drive)
  4. type "clean"  (sometimes at the end of all these steps the USB is still faulty so if you repeat the steps use "clean all".  Rather than just deleting content it specifies that each and every part on the disk is zeroed but it takes longer.
  5. type "list disk" (there should be a * next the disk number of the USB it means that it is still the selected drive.  if not type "select Disk #"
  6. type "create partition primary"
  7. type "format fs=fat32 quick"  (at this point you could also use fs=ntfs.  quick means quick format so if you want a full  format just leave it out)
  8. at this point hopefully its all fixed.  close diskpart.  safely remove/eject the USB and then plug it in again to see if its OK now.  Occasionally I have a few USB drives that need be redone so I use the "clean all" option and then do a full format.

 

I had to do one myself so step through screenshot is below

 

 

 

 

 

 

 


 
 
 
 


gzt

gzt
11629 posts

Uber Geek

Lifetime subscriber

  #1892322 30-Oct-2017 05:15
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Rufus is a popular graphical tool.

robertsona
109 posts

Master Geek

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  #1892392 30-Oct-2017 08:09
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+1 for Rufus


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