Windows 10: C: Windows drive and D: swapped and Windows can’t boot

Discus and support C: Windows drive and D: swapped and Windows can’t boot in Windows 10 BSOD Crashes and Debugging to solve the problem; Hello. My C: drive which has my Windows files and my local drive D: swapped labels. I tried changing it in Regedit using Microsoft’s guide, but no... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Developererer, Mar 21, 2021.

  1. C: Windows drive and D: swapped and Windows can’t boot


    Hello.

    My C: drive which has my Windows files and my local drive D: swapped labels.
    I tried changing it in Regedit using Microsoft’s guide, but no luck. Reassigning letters in DISKPART doesn’t do anything, either. In BIOS, no boot devices are shown.
    After installing a Lenovo BIOS update and shutting down my laptop, the next day I power it on this happens. The exact same thing happened a year prior. Lenovo BIOS update -> Drives swapped around and confused Windows how to Boot. Last time I reinstalled Windows but I’d much rather not do that.

    Help is appreciated.

    :)
     
    Developererer, Mar 21, 2021
    #1

  2. No C: but D: drive has all the data

    Hi Austin,

    To help you with your concern regarding the data on the drive C:, you're seeing the drive "C:" as the drive "D:" because you're booting your computer outside Windows. When booting your computer outside Windows, the system is reading the recovery partition
    as drive C: and the data in the drive C: \ are listed on the drive D: \. Try to boot your computer and try to check again the data in the drive C: \ and see if the data are listed.

    Regards.
     
    Virfranz Man, Mar 21, 2021
    #2
  3. Swapping drive letters, including boot volume

    I have a new computer. I want to clone the system to a new SSD. Can I change the drive letter of the SSD to C: after cloning?

    I have a new ASUS M52BC with:

    • 1 TB hard drive with a Windows (CC: Windows drive and D: swapped and Windows can’t boot :) and empty data (DC: Windows drive and D: swapped and Windows can’t boot :) partition
    • Windows 8.1 (I will upgrade to Windows 10 very soon) on the hard drive
    • Samsung SSD 850 EVO (physically installed but nothing more done to it)
    What I want to get to is:

    • 1 TB hard drive with the data (DC: Windows drive and D: swapped and Windows can’t boot :) partition and (for the old Windows partition) the drive letter of the C: changed to something else
    • Windows 10 on the SSD as the C:
    I don't intend to boot to Windows on the hard drive after I get Windows working on the SSD unless I need to remove the SSD for return to ASUS for repair. (My new computer had a bad motherboard when I received it but I hope I do not need to return it again.)

    I want to clone Windows to the SSD using the Samsung Data Migration tool. During the clone, the SSD will of course not have the drive letter "C". To boot from and use the SSD after the cloning, it must have the drive letter "C", correct? I assume the Data
    Migration tool cannot change the drive letter used by the software it clones.

    After the clone, how do I swap the drive letters? I assume I cannot change the drive letter of the hard drive Windows partition when it was used to boot from because it would be the boot drive, correct?

    I know that some people will suggest that I do a fresh install. I want to avoid doing that if possible.

    I see
    Migrate system partition to a new disk
    . I think that describes doing what I am trying to do, but unfortunately he does not know how he did it.
     
    Simple Samples, Mar 21, 2021
    #3
  4. niko084 Win User

    C: Windows drive and D: swapped and Windows can’t boot

    Windows drive labeled ad D: instead of C:

    That doesn't work very well, some software/drivers will NOT install to any drive but the C drive because the person who compiled them was an idiot *Smile C: Windows drive and D: swapped and Windows can’t boot :)
     
    niko084, Mar 21, 2021
    #4
Thema:

C: Windows drive and D: swapped and Windows can’t boot

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