Chkdsk/Vopt render drive unmounted

Asked by Dan Green on 2017-12-04

I have a 250 GB hard drive with 30.4 GB data on it. Ubuntu 17.04 could read this disk at the onset. Moving this USB drive to Windows 7, 64-bit to spruce it up, I ran "chkdsk g: /f". It completed it's successful 3 stage operation. I then used Vopt 9.21 to optimize the drive. That too was successful. Used windows system tool tray to unmount drive.

Now Ubuntu doesn't mount the drive. When I mount in Windows, it's not seen either. I have the files generated when Windows 7-64 bit completed running these 2 apps on the drive.

Using a licensed Parted copy running testdisk 7.1 recovery utility,it sees the data of about 30.4GB in the partition editor. I can't attach the snapshot in this forum. How would you proceed to recover this data?

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Parted is free and there is no licence to worry about as a user.

So you have an NTFS partition that you ran chkdsk on it and now it doesn't show in Windows or Ubuntu..... Is that the issue here?

I'd delete the partition with a new one, format it and then restore the data from your backups.

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