Rollback Windows 10 via Command Prompt

Upgraded Windows 7 to Windows 10.  Worked fine on test PC so tried on production PC.  Test and production PCs are both DELL and test PC 2 years older than production.

Production PC, after login (login screen is fine) results in black screen with operational cursor.  

Can only execute commands from Task Manager  |   FILE   |   Run New task.

Cannot access SETTINGS menu to roll back.

Any way to accomplish via DOS commands or other method?

Thanks
FarrellFritzAsked:
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Scott CSenior EngineerCommented:
Unfortunately no.  There is no way to rollback using a command prompt.

I'd slave the drive off another machine, backup the data and do a wipe and reinstall.
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David Johnson, CD, MVPOwnerCommented:
reboot continually pressing f8 and hopefully you can get a startup screen
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McKnifeCommented:
Command surely exists, but not documented. Rather do a command line repair installation now.
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FarrellFritzAuthor Commented:
Found alternative solution to roll back

1) Reboot the PC but when it is coming up, hit the power button and shut it down.  Repeat this process until "Please Wait" appears under the windows blue/green logo upon booting up.
This brings you to (the W10 equivalent of) the F8 menu in W7

2) Doing this from memory but either hit ADVANCED   |   RECOVERY then ROLL BACK TO PREVIOUS VERSION or it might be RECOVERY  |  ADVANCED the ROLLBACK.  Do not restore to previous restore point as the results may be unpredictable (previous restore point could be in W10).

My pc took an ENORMOUS amount of time "Rebooting."  No HD activity; appeared nothing was happening.  Removed it from docking station and It immediately began rolling back.  Took less than 10 minutes.
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FarrellFritzAuthor Commented:
It works
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Kulwant BhogalCommented:
As of right now (Windows 10 Ver 1709), there is a way to roll back to a previous version of Windows using the command prompt.

In fact it would appear it's been a Microsoft officially supported method since at least Vista days.

I ran in to a problem on an AMD A4 APU equipped machine that started to stutter after installing the Windows 10 Ver 1709 upgrade. I'd tried a reset, which didn't fix the issue and found myself locked out of the installation as it wouldn't accept the logon password that previously worked (bug Microsoft). The "go back to previous version" from the recovery options failed. Not impressed.

Knowing that when upgrading, Windows simply moves all the standard folders from the root of C:\ to C:\Windows.old, I figured it must be as easy as moving them back again. So I got into the command prompt from the recovery options (which I forced by aborting boot a couple of times. Luckily the same previous logon password worked here) and proceeded to move all the standard folders from C:\ into a new folder called PostReset (e.g. from c:\>, I used "Move Users PostReset". You can get the list of folders to move by looking inside the Windows.old folder. Once done, I simply moved each folder from C:\Windows.old to C:\. Took all of 10 minutes. Rebooted and I was back to the previous version of Windows.

The official guidance for Vista I found here: https://support.microsoft.com/en-us/help/933168/how-to-restore-a-computer-to-a-previous-windows-installation-after-you 

Note, in my case I also moved hidden folders like ProgramData (using Attrib -h first to allow the Move command to work). Like I said before, use the folder list in windows.old to figure out which folders to move. You definitely don't want to mix and match folders from the different versions as that way lies mayhem and destruction. It goes without saying, don't be caught without a system image or at the very least a backup of your most important files before you start messing with the OS. Especially nowadays where features like Fast Startup leave the FileSystem in an indeterminate state, severe disk corruption and data loss is a very probable outcome. Consider yourself warned.
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