Question New Windows 10 instalation has disappeared

Feb 4, 2020
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Hi. So I have this problem. Today I turned on my pc, it was loading very slow. When finally it turned on my last installation was gone (because before month I bought a new computer and installed new windows 10) and there was my old installation with old files. How can I recover my new windows? I hope you understand my problem.
 

Colif

Win 10 Master
Moderator
Did you put your old hdd into the new PC?
What are specs of new PC?

It sounds like the boot drive that had the new install on it isn't showing and all that is, is your old install.

Can you right click start button
choose disk management
open the new window so we can see all the columns.
take a screenshot and upload it to an image sharing website and show link here.
 
Feb 4, 2020
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Thanks for answer! I disconnected old HDD (new windows is installed in SSD), than turned pc on and everything was working. After that I connected my HDD and it also works.
 

Colif

Win 10 Master
Moderator
you might want to go into bios and remove the old hdd from list of bootable devices, then hopefully the PC won't do that again :)

another way is to format the old hdd at some stage as that will remove its boot partition
 

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