Windows 10: weird system drive letter on dual boot

Discus and support weird system drive letter on dual boot in Windows 10 Installation and Upgrade to solve the problem; i have hdd with windows 10 installed on it and i just got myself a ssd today since there's still some data left on my old windows i chose to dualboot... Discussion in 'Windows 10 Installation and Upgrade' started by ZenXAl-Jaelani, Mar 30, 2021.

  1. weird system drive letter on dual boot


    i have hdd with windows 10 installed on it and i just got myself a ssd today since there's still some data left on my old windows i chose to dualboot my windows installation on my ssd so it's much easier to move my data later on. but something weird happened, the system drive on my ssd is labeled as drive E: not drive C: . can i change it back to drive C ?

    :)
     
    ZenXAl-Jaelani, Mar 30, 2021
    #1
  2. topgundcp Win User

    Dual Booting with Windows 8.1


    The procedure below will allow you to boot Windows separately or in dual boot configuration.
    Here's what I recommend to do:
    1. Disconnect the drive containing Windows 8.1
    2. Install Windows 10 with one drive connected.
    3. After step 2, reconnect the drive containing Windows 8.1
    4. Boot up Windows 8.1. Open disk management and take a note of the drive letter of Windows 10 OS.
      NOTE: if you boot up Windows 10, then take a note of Windows 8.1 drive letter
    5. Open Admin command prompt and type: bcdboot X:\windows where X: is the drive letter of Windows 10 (Windows 8.1 if you boot from Windows 10 in step 4)
    6. Reboot the PC. You should have a dual boot screen.

    NOTE: To break off the dual boot setting, Win+R->msconfig->boot and delete the none default entry on the list.
     
    topgundcp, Mar 30, 2021
    #2
  3. topgundcp Win User
    Dual Booting 2 x Windows 10 OS Drives (Existing Installs)


    It is uneccessary to do all of the above.
    1. Boot up Windows 10
    2. Open Disk Management and take a note of the drive letter of the other Windows 10
    3. Open Admin Command Prompt and type: bcdboot X:\Windows where X is the drive letter noted in step 2
    4. Reboot, you should have a dual boot menu.
     
    topgundcp, Mar 30, 2021
    #3
  4. babis49 Win User

    weird system drive letter on dual boot

    wrong drive letter in msconfig / boot in dual boot system



    weird system drive letter on dual boot [​IMG]
    Hi guys
    in my desktop I have two hard disks ( disk 0 and disk 1 ) . Disk 1 is a clone of disk 0 created by Macrium Reflect
    Disk 0 : ( C: ) windows 10 pro , upgrade from windows 7 , ( E: ) windows 8.1 pro , ( G: ) Storage partition
    Disk 1 : clone of disk 0
    problem description : I see in msconfig / boot a wrong listing
    windows 10 ( C:\WINDOWS) : Current OS ; Default OS
    windows 8.1 pro ( H:\WINDOWS ) instead of ( E:\WINDOWS )
    nevertheless the dual booting works fine as well as the shift between the disks via BIOS.
    The question is , could I fix the situation using the EasyBCD of Neosmart Technologies to edit the bootloader ?
    I see can change drive letter H: to E: and save the change , am I right or wrong ?
    or any other way
    any help appreciated , thanks .
     
    babis49, Mar 30, 2021
    #4
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weird system drive letter on dual boot

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