Windows 10: Windows 10 defaulted to Windows 7 after Device_Power_state_failure Solved

  1.    01 Jun 2016 #1

    Windows 10 defaulted to Windows 7 after Device_Power_state_failure

    I had upgraded Windows 7 Ultimate to Windows 10 about 7-8 months back. Yesterday, Windows 10 threw a Device_Power_State_Failure and gave the BSOD. I rebooted the computer (desktop) and have been having issues since.

    Opened the hardware and gave it a thorough cleaning. Windows 10 is no longer available. The OS options at startup show me Windows XP (installed on separate hard disk) and Windows 7 as the two options. Windows claims that it is not a genuine copy. No programs are working, including control panel, help & support etc. No idea where to enter the Windows 7 code and start to recover the Windows 10.

    Any help is appreciated. Thanks in advance
      My ComputerSystem Spec

  2.    01 Jun 2016 #2

    So can you boot into any Windows at all? If so, please post a screenshot of disk management. Make sure to widen the columns so we can see everything in them:
    Sign in User Account Automatically at Windows 10 Startup - Windows 10 Forums


    Disk Management - Post a Screen Capture Image - Windows 7 Help Forums
      My ComputerSystem Spec

  3.    01 Jun 2016 #3

    Windows 10/7 is not operational. Windows XP is not reading my USB drives.

    I will try to give the details here -

    Partition System Capacity Used Unused Status Type

    Disk 1
    C:XP NTFS 149 135 13 System Primary

    Disk2 - Data drive with no OS installed

    Disk 3 (Windows 10 was installed here)
    D:Windows7 NTFS 488.6 286.7 201.9 Active Primary
    * NTFS 450 327.54 122.5 None Primary (I had Ubuntu installed here, not using now)
    " Unallocated 442 GB unused None Logical

    Disk 4 (Backup drive, No OS here)
    * unallo 7.8 MB 0 7.84 MB None Logical
    F: NTFS 488 225 263 None Logical
    E: NTFS 443 351 91 None Logical
      My ComputerSystem Spec

  4.    02 Jun 2016 #4


    I downloaded Windows 10 Installation file ISO and made a bootable USB. Booted using the USB and did a Startup Repair. Everything is fine now and Windows 10 is back..
      My ComputerSystem Spec


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