Windows 10: Upgrade from 8.1 to 10: Hard drive no longer recognized.

I just upgraded to Windows 10 as I planned to use the weekend to sort out any issues I might encounter during the upgrade. Well boy did I ever. My Seagate 3TB drive decided it no longer wanted to be recognized by Windows anymore. It shows up as a failed/deactivated drive in Disk Management as seen here: https://i.imgur.com/5EOU4Jf.png It also shows up in Speccy as a physical drive. I currently have 2TB of data on there (including an OS image I did just before the upgrade as an extra prep step), so reformatting the volume is not an option until I get the data off.

Any advice on how to recover my data?

:)

 

Windows no longer recognizes second internal hard drive

Why is it both Windows 8.1 and Windows 10 no longer recognize a second internal hard drive?

Previously in both my Windows 8.1 and Windows 10 PC’s, I had an internal second drive connected in each PC and both worked quite well. In the case of the Windows 8.1 PC, I used to use the second internal drive to do system image backups and the second
internal hard drive in the Windows 10 PC as a File History drive.

But now, in both PC’s, the internal second drives are no longer being recognized. Both File History and System Image backup now only work when drives are connected externally.

If the second hard drives are connected internally, this error message comes up : "Operating system not found" on the Windows 8.1 PC and "no usable hard drives found" for File History on the Windows 10 PC.

Surely that should not be the case? What could be the cause?

***Post moved by the moderator to the appropriate forum category.***

 

Windows 10 upgrade no longer sees external hard drive

My PC was forcibly upgraded to Windows 10. Preparing for an off line backup I plugged my external hard drive that I always use in to the PC and it is no longer recognized by my computer though windows 10 still chimes when the device is plugged into the
PC. While it does not recognize the USB connected hard drive it is still able to access old USB sticks. I bought a new external hard drive and that also is not recognized by this PC. My laptop that I bought with Windows 10 installed recognizes both the
old external Hard Drive and the New one.

 

Check these links. I can't remember which one but this is an emerging problem and one of these posters solved it.

http://answers.microsoft.com/en-us/w...6-1f0d7792e60b






http://answers.microsoft.com/en-us/w...1-7790aec7b2f3




http://answers.microsoft.com/en-us/w...c-cc3c510d5f26

 

This definitely is an emerging problem, and it appears to be confined to large hard drives.
My 64-bit Win 7 machine had two hard drives:
Hitachi HDS721075KLA330 (Boot Drive)
Seagate ST4000DM000 (4 TB data drive)
This config worked very well in Win 7. When I upgraded to Win 10, BIOS still recognized the 4 TB drive, but Win 10 did not. I spent hours troubleshooting, and finally got Disk Management to see the 4 TB drive, but it reported it as 2 TB RAW, though I know for sure it was formatted 4 TB NTFS.
No matter which of the four parallel ports I plugged the 4 TB drive into, it would not work.
Fearful that I had lost my data, I installed the 4 TB drive into another computer (Win 7), and all the data was there, and it was clearly formatted NTFS.
I then installed a 2 TB Hitachi hard drive in the Win 10 machine. Same problem, and this time Disk Management would not see either drive, even after waiting 45 minutes.
Finally, I installed a 750 MB drive in the Win 10 machine, and it an very well. Unfortunately, I need the data on my 4 TB hard drive, so it looks like I might have to reinstall Win 7 until Microsoft fixes this.
So, it seems very clear that Win 10 cannot handle large hard drives, at least in my particular hardware configuration.

 

Did you try flashing your BIOS? Just in case you don't have the latest version.

 

Had this occur recently with a seagate 4tb but don't remember the OS having trouble with it (7, 8.1 or 10). Took the drive to my machine and it was recognized properly. I backed it up then ran diskpart clean. Took it to the machine having trouble and used disk management to create the volume and all 4 TB were recognized and it worked fine thereafter.

 

Thanks for your response. My BIOS has no newer version. The 4TB drive works very well with Win 7 and Win 8.1, but when I install it in a Win 10 machine, no joy! Disk Management hangs endlessly and can't find it.
Same for a 2TB drive I also tried in this machine.

 

Similar issue here, I have two of the same computers - installed Windows 10 on both. I have all kinds of drives attached to both via USB 3.0 On one computer everything works fine, on the other it will not recognize a 1TB external drive. It's not listed in Disk Management or anywhere. I've unplugged/replugged, tried different ports, restarted, etc it just doesn't see it. I have plugged it into my other computer and it pops right up. I don't understand this and it's a big headache.

 

Hey again,

I just remembered something when I was posting in another forum.
Take a look into that KB article: https://support.microsoft.com/en-us/kb/2581408

See this:

So, waiting might be the best option right now.

 

Okay guys a bit of a late update. Been busy and almost forgot I posted here. I did solve my issue but it involved having to purchase Seagate's data recovery software (which recognized my seagate 3tb drive), a 2nd 3tb HDD, and dumping the 'recovered' data onto the 2nd 3tb HDD. After that was finished, I re-formatted my old seagate drive as a GPT NTFS drive which allowed it to be recognized as one 3tb logical drive. The result now is that I do have a second 3tb drive (making my total storage space 7.75tb) although I did have to spend almost $300 for all of this.

I really hope Windows 10 can figure out a way to fix this issue for future upgraders who run into the same issue. Not everyone can just go out and buy another 3tb hard drive.

 

Microsoft sent out a big update to Windows 10 last night. Win 10 now recognizes my 4 TB hard drive, so all is well
Thanks to those of you who responded to this thread.

 

Same thing with my 750 gb WD HDD.. It did recognize it on my laptop, i gave it to my gf to put some files on it for me from her desktop running windows 10 also.. When i got the HDD back, windows 10 on laptop doesnt recognize it...wtf.
I also had set windows back up to this drive...Could that have something to do with it?

 

All drives 1TB and older for me. My Paragon drive management can't even find then. Had a drive slightly under 1 Tb that showed up in "System" and on Paragon but 1 Tb is a nogo. 3 different drive manufacturers, 2 PCs.

 

I just fought a similar problem, hard drive showed up in disk manager(correct file size, but no file system or drive letter associated) and could not use the drive and nowhere did I find the easy solution that fixed it for me...

Uninstall paragon hfs+. Download it again(even if it's the same version, i'm on 9.1) Reinstall paragon hfs+.

I think what this does is get rid of the crappy windows 10 drivers and uses the Seagate ones. I'm not 100% sure but after 3 days of reading stories of people formatting/ buying new hard drives and transferring I thought I would try a few things myself. BTW my seagate backup plus for mac is formatted as an NTFS, which is why i thought doing what I did was stupid.