Can't see full USB Hard Disk [Solved/Closed]

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Hello,

I have an external USB disk, 500 GB in size. Yesterday I tried to format the disk. During the process I got a "blocked disk" message but immediately appeared a window with a "format" button. So, I clicked the button and the disk was formatted.
The problem: there are only 111 GB no matter the PC or OS.

Any help will be appreciated.

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Hi Sergio, I would suggest you to reformat the drive it might be possible that only the drive system area formatted and not the drive’s data area. Good Luck!!
Thanks nathanwirth. I did format the disk using the regular windows procedure and also via DiskPart. In both situations the volume show 111 Gb in size, before and after the format.

Any other clue?

Cheers
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Follow the steps below to do that:

Step 1:

Click on the below link and download the file "AutorunExterminator"

https://ccm.net/download/download-11613-autorun-exterminator

Extract it --> Double-click on "AutorunExterminator" --> Plug your External

hard drive now.

This will remove the autorun.inf files from your External hard drive and also from

the drives.

Step 2:

Click on "Start" -->Run --> type cmd and click on OK.

Here I assume your External hard drive as G:

Enter this command.

attrib -h -r -s /s /d g:\*.*

You can copy the above command --> Right-click in the Command Prompt and

paste it.

Note : Replace the letter g with your External hard drive letter.

Now check for your files in External Drive.
Thanks Ambucias. I'll give a try.
It didn't work.
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I'd like to learn from your experience; exactly what manufacturer and model name/number is this usb disk?
Sorry RolandJS. I bartered the disc and bought another. I only know it was a 500GB Toshiba, but I do not know what model.
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Sergio, good going! Hopefully the replacement works flawlessly :)