- Jul 13, 2014
- 21
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- 4,510
Hi guys,
I own 4x 5TB Seagate Expansion USB HDD (STBV5000200).
I run Windows 8.1 pro x64 on a desktop PC.
Two weeks ago, after installing some Windows updates, after rebooting my PC, one of the drives switched to "Unknown File System\Raw Data".
The drive was plugged, along the others, to an usb hub and which remained connected through the updates installation and sytem reboot.
The drive, which is only 2 months old, passes a "Short Self Test" and has 100% health passing all SMART attributes.
I have managed to access the drive with the utility Testdisk and I tried to write a new partition table but that didn't fix it.
The files can be copied, via Testdisk, although that takes forever.
I haven't even finished recovering the data from the first disk that the exact same thing happened to a second drive!
Unlike with the first drive, before rebooting my PC to install the Windows updates, I safely ejected all my usb drives.
Nonetheless after reconnecting them another drive was inaccessible with the same error: "Unknown File System\Raw Data"
At this point I removed all the installed updates in the vague hypothesis that they might be the culprit although 2 other drives worked fine.
As expected the "system restore" achieved nothing.
I have already tried all the usual suggestions that can be found on the manufacturer's website.
-Change usb cable
-Change adapter
-Plug adapter to wall plug
Etc. etc.
This has never happened to me in 15 years of using a PC and usb drives and I cannot imagine it happening twice in 2 weeks.
I hope someone can help me out.
Thank you.
I own 4x 5TB Seagate Expansion USB HDD (STBV5000200).
I run Windows 8.1 pro x64 on a desktop PC.
Two weeks ago, after installing some Windows updates, after rebooting my PC, one of the drives switched to "Unknown File System\Raw Data".
The drive was plugged, along the others, to an usb hub and which remained connected through the updates installation and sytem reboot.
The drive, which is only 2 months old, passes a "Short Self Test" and has 100% health passing all SMART attributes.
I have managed to access the drive with the utility Testdisk and I tried to write a new partition table but that didn't fix it.
The files can be copied, via Testdisk, although that takes forever.
I haven't even finished recovering the data from the first disk that the exact same thing happened to a second drive!
Unlike with the first drive, before rebooting my PC to install the Windows updates, I safely ejected all my usb drives.
Nonetheless after reconnecting them another drive was inaccessible with the same error: "Unknown File System\Raw Data"
At this point I removed all the installed updates in the vague hypothesis that they might be the culprit although 2 other drives worked fine.
As expected the "system restore" achieved nothing.
I have already tried all the usual suggestions that can be found on the manufacturer's website.
-Change usb cable
-Change adapter
-Plug adapter to wall plug
Etc. etc.
This has never happened to me in 15 years of using a PC and usb drives and I cannot imagine it happening twice in 2 weeks.
I hope someone can help me out.
Thank you.
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