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Discussion Starter · #1 ·
System: Lenovo Yoga 920 laptop, Windows 10 Home
External Drive: Seagate Backup Plus, 5TB

I have a mysterious USB hard drive problem. I was playing music on my music app. The music files are on an external USB drive X:. Suddenly the music stopped playing. After a couple of hours trying to resolve this I have gotten various error messages shown below.
  • Rebooted computer. Every time I tried to access the X: drive the File Explorer would lock up
  • USB Safe Removal shows hard drive, sometimes. Sometimes it shows the full name and sometimes it shows generic name (BUP BK)
  • Disk Management shows X: drive with NTFS format
  • CHKDSK fails to run and error message says "CHKDSK is not available for RAW drives"
  • Error message: X: is not accessible. The parameter is incorrect.
  • Event Viewer contains System error "NTFS: The default transaction resource manager on volume X: encountered a non-retryable error and could not start. The data contains the error code.
  • Tried moving hard drive to another computer. It shows up in File Explorer but when a folder is selected it cannot display and locks up.
  • Tried again and Disk Management shows X: drive with RAW format now. "Healthy (Basic Data Partition)"
I would appreciate ideas for how to fix this problem. I get the impression the data is fine but something is wrong or corrupted that doesn't allow access to the drive.
Thanks,
Dave
 

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A RAW drive means it is or has already failed. You can disassemble the Enclosure and remove the HDD from the case
then you can attach the drive to a working computer via a USB Adapter, Dock or another Enclosure with a power adapter. You then can try and use Data Recovery software to recover the files. And the drive will need to be replaced.
Member fzabkar can help you if you want to get deep into recovering the data.
 

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Discussion Starter · #3 ·
Hi,
Thanks for the reply. The hard drive is not making any sounds that would indicate imminent failure. Other diagnostics lead me to believe that the data is intact but something is corrupted that disallows access. Still trying to fix the corruption. Not sure I understand how disassembly and an adapter would allow access to data.
 

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If you think the drive is healthy, then the USB to SATA controller in the enclosure may be failing, which is many times the case. Disassembling the enclosure and removing the HDD within will eliminate any issues with the controller in the enclosure and allow you to plug it in directly to a Desktop computer or use another USB Adapter, dock or enclosure with a Power Adapter. You cannot Fix corruption on a HDD. Corruption is caused by Bad Sectors on a HDD due to age, heat etc. The best you can hope for is to get the drive accessible so you can recover the data before it dies completely.
 

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A few weeks ago my external backup, ADATA HV620, stopped. (Windows Files Backup)
I managed to open it up and found the hard drive was dead.
Of course this meant I could not access the files.
The enclosure was still good.
Long story short, while testing a new HD in the enclosure I discovered the USB port is bad.
So it would disconnect and reconnect frequently.
I think that this is what killed the HD.
As you all know, doing this will eventually corrupt the Files and put a lot of stress on the HD.
In my case, the HD was completely dead.
Fortunately I keep four backups.
I have had to stop using that port for drives.
You can test the port with something that will not be harmed by this problem.
My printer does not mind the bad port.

As suggested, open up the case and check the HD.
Use a different Port.
With a bit of luck, some files might still be recoverable.
If you have a spare HD, try it in the Case and see if the external is accessible.
Two cents.
Joe
 
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