Published January 17, 2013 at 11:59 amSo a while back I was playing around with Linux and needed a bootable install disc. I decided to make one of my spare USB thumb drives into one. All went well, and I successfully installed Ubuntu Server on my machine. Great.Fast forward to this morning when I needed said thumb drive to transfer some pretty hefty files.
Step 8, delete partition. This command will delete the partition that you select from step 7. At the DISKPART prompt, type: delete partition. Step 9, repeat the step 6-8 if you need to delete other partitions. All delete partitions will be left as unallocated space. Step 10, you can now use Disk Management to manage the drive now. Heavily corrupted flash drive - GParted not able to delete partition Hey guys, my computer glitched and I pulled a flash drive before I should have and it got corrupted. I want to wipe it however it's write protected - I tried using the disk utility on windows but it doesn't want to mount the partition - tools like HD Tune Pro let me know that.
Low and behold, my 4GB thumb drive was being read as a 2MB thumb drive. No problem just format the thing, right? Apparently not.To create the install disk, I used a nice little program called It worked great, but unfortunately it partitioned my thumb drive, and Windows 7, for some reason, couldn’t get rid of the partitions when I tried to format it.
Thankfully, Google is always there when I need it.It turns out there’s utility in Windows 7 (and probably other Windows versions as well, but I’m using 7) called Diskpart that will fix this problem right up for you. Here’s how to use it to format a USB drive.
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Bring up the command prompt. Easiest way is to go to the Start menu and type in “cmd” in the search box and hit enter. In the command prompt window, type “diskpart”.
That will launch another window with a DISKPART prompt. Type “list disk” to find out which disk your USB drive is. It should be pretty obvious from the size of the disk. If it’s not, alternatively, you can search “Computer Management” under the Start menu, and then click on “Disk Management”. You should see something that says “Disk 1 Removeable” or something similar. Once you know which disk you want, in the Diskpart window, type “select disk 1” (or whatever number your thumb drive happens to be assigned to).
Diskpart should tell you that this is now the selected disk,. Type “clean”. This will get rid of all the old information on the disk, as well as any partitions. Diskpart will tell you when this has succeeded.
Type “create partition primary”. This sets up the new partition (one big one instead of a small one) for the drive. Type “select partition 1” to select the partition you just created. Type “active” to mark the selected partition as active. Type “format fs=ntfs quick” to format the drive. This may take a few minutes depending on the size of the drive.
Type “assign”. Type “exit” to leave the Diskpart program.Now remove the thumb drive from the USB port, and then plug it back in.
It should come up at its original size. Ta-da!Just as a word of caution, Diskpart doesn’t seem to have any confirmation prompts built into it. So BE CAREFUL which drive you’re telling it to use, or you might end up formatting something that shouldn’t be formatted.Tags:.
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