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Issue fromDiskpart

Issue from Disk Management

I have a Sandisk Pendrive of 16GB. Unfortunately, I filled the pen drive full except for 0.98 GB free space. Now when I am trying to use that USB drive in my PC, it is just loading and then I get an error saying something like "USB not recognized".

I also used the command format F: to format the USB drive.

I even tried to uninstall the drive from devmgmt.msc and also drivers got updated. I am still facing the issue.

I also tried disk part. When I search for disks using list disk it takes a long time and giving error as virtual disk service error.

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  • i'd suspect that it's broken. if you can't format it but you can others. It might help to be administrative at the time.
    – barlop
    May 3, 2016 at 14:20
  • The 0.98 it's the free space Windows Explorer it's saying you have free on the usb ? Or it's the number you calculate thiking about the USB should have 16GB ready to use for you. A 16GB usb drive should show you it has 14.7GB available only. This it's due the way the manufacturers calculate the space of devices. Instead of using 1024 as multiplier they use 1000. So the real available space always it's less than the announced.
    – NetVicious
    May 3, 2016 at 14:20
  • @NetVicious You wrote "The 0.98 it's the free space Windows Explorer it's saying you have free on the usb ? Or it's the number you calculate thiking about the USB should have 16GB ready to use for you." <--- What are you talking about. He said his 16GB USB is almost full so obviously there aren't 16GB free, he knows that. And nonse of that has anything to do with his USB not being recognized.
    – barlop
    May 3, 2016 at 14:21
  • you can look in disk management and check that it has a letter, though I somewhat doubt that has anything to do with your error messages.
    – barlop
    May 3, 2016 at 14:24
  • 2
    Try it in another computer to confirm it's actually an issue with the USB drive.
    – root
    May 3, 2016 at 14:26

2 Answers 2

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The delay when you do a list disk in diskpart is very telling. It indicates that Windows has problems trying to talk to the controller chip inside the stick.

Conclusion: That USB stick is broken. Throw it away.

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  • I can't throw. Because I have some Personal Documents and Photos that I failed to Upload to Cloud. That's why I needed that one. Otherwise, I can throw without thinking about a minute.
    – Soma Naresh
    May 3, 2016 at 14:30
  • Is there any way to recover?
    – Soma Naresh
    May 3, 2016 at 14:46
  • @SomaNaresh - If you cannot mount a volume with a file system then you cannot recover your data. The drive does not sound like it currently is functioning.
    – Ramhound
    May 3, 2016 at 14:52
  • @Ramhound I agree.
    – Tonny
    May 3, 2016 at 14:54
  • @Ramhound- Before Loading the Data, it was working fine. This issue came when I load the USB with full data.
    – Soma Naresh
    May 3, 2016 at 15:27
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You can try Transcend's RecoveRx software available on official transcend website. I think it will definitely work.

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  • @Amandeep-This software not at all detecting my Pen drive
    – Soma Naresh
    May 4, 2016 at 13:06
  • Have you tried Gparted and Sd card formatter? I think your pendrive is OK. The drive may be encrypted or something like this. If Windows is picking up pendrive there may not be any hardware problem. Try different tools for formatting your pendrive. Search on internet. Try viewing your pendrive on different OS platform like Linux.
    – user577212
    May 4, 2016 at 15:00

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