There is no operating system installed.... after disk space reclaim

Discussion in 'Windows Guest OS Discussion' started by PawelB4, May 9, 2020.

  1. PawelB4

    PawelB4 Bit Poster

    Messages:
    5
    Hi

    I was lured to reclaim some of the disk space used by a vm. I let it ran overnight as macOS was unbearable slow during this process and now when I try to run Windows Parallels says "There is no operating system installed in this virtual machine."

    Is there any way to recover from this? Please don't say all my Windows files and projects are gone... I'm running Windows 10 on macOS Catalina 10.15.4 and Parallels Desktop 15 for Mac Pro Edition 15.1.4

    Thanks, Paw
     

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  2. Maria@Parallels

    Maria@Parallels Kilo Poster

    Messages:
    8,694
    Hello, did you completely shut down your VM before the reclaiming?
    What is the size of your virtual hard drive now?
     
  3. PawelB4

    PawelB4 Bit Poster

    Messages:
    5
    Hi, yes from what I reckon VM had to be shut down before reclaim option become available so I did shut it down. I'm not entirely sure what was the image size before I tried to reclaim the space but now, corrupted file is 155.62GB.
     
  4. Maria@Parallels

    Maria@Parallels Kilo Poster

    Messages:
    8,694
    Could you please try to create an empty VM and add this hard drive ti the new VM?
     
  5. DonnT

    DonnT Bit Poster

    Messages:
    2
    I'm following this. Although it's not exactly the problem I'm having, I do have an older Windows 7 pvm hard drive file that says there is no operating system installed. Other copies of the same file that I had stored as backups seem to be starting up but they loop "loading files...", going back to the startup PC text and starting to load again.
     
  6. Maria@Parallels

    Maria@Parallels Kilo Poster

    Messages:
    8,694
    Hello, what is your virtual Hard Drive size?
     
  7. Sam33

    Sam33 Bit Poster

    Messages:
    16
    Maybe try to fix you're pvm, with the terminal tool.
    in Mac macOS, run Terminal and execute the command below:

    prl_disk_tool check --hdd /Users/Shared/Parallels/Windows\ 10.pvm/Windows\ 7-0.hdd
    If you pvm has different name or location, modify above command accordingly. A simple way to do that is type the first part of the command including a space at the end like this
    prl_disk_tool check --hdd
    then, in Finder, drag your pvm and drop on the terminal window. Wait until it's get to the 100% it might take while...

    After it has been successful please try to start Windows recovery and try to fix the disk by command chkdsk
     

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