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Flash Drive Shrunk? Answered

My 8GB flash drive can only be formated for 250MB.  I installed an OS and now I took it off and reformatted but I can only get 250MB out of my flashdrive.

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Dr. Pepper

Best Answer 7 years ago

Uh-oh.

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Clyde MzaifaneM

1 year ago

6 years later, your post helped me save my

16GB flash. Totally awesome. The things they don't teach us at school!

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jj.inc

7 years ago

I spent a few hours looking around last night and discovered this, my flash drive is just fine now.
since you have a Vista Computer type diskpart.exe in Windows Search and click DiskPart. Accept the UAC Prompt, Type List Disk, Select your Flash Drive with(Select Disk # ) then type the following the the provided order:
1. clean
2. create partition primary
3. select partition 1
4. active
5. format fs=fat32
6. wait for the format to complete
7. type assign
8. type exit
9. Done.

I don't have Vista, but this still worked great, so if anyone has problems I found an answer.

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BabosRjj.inc

Answer 2 years ago

Thanks mate! My flash drive saved!! It's working also in WINDOWS 10 Pro!

Quick and affective!

Cheers ;)

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AnujK15jj.inc

Answer 2 years ago

spend may hours searching the effective solution n then i found this ,,,need to say GREAT POST .saved my 64 gb usb drive ,,,thanx a lot

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xenobiologistajj.inc

Answer 3 years ago

Works in Windows 8 too. Thanks!

The documentation for diskpart is here: https://support.microsoft.com/en-us/kb/300415

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frollard

7 years ago

It might have unpartitioned space, or a hidden partition taking up the other 7750 megs.

Windows has partition editor built in, and you can view the parts and see exactly what is where. You can't format a drive that has no partitions, and you can only format existing partitions to their given size. My guess is it was used on a mac as a backup or something, and the jfs (or whatever) file system is invisible in windows. There, but not shown.

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Re-design

7 years ago

Sounds like you formatted it "Fat 16" instead of Fat32.

Find "PL2315Config.exe" and use that to reformat the drive.

Good luck.