Documentation

Boot problems after restore

If you have boot problems after a recovery, please proceed as follows:

1. Repair boot configuration (UEFI)

1. Insert the installation medium for your operating system and start the device.
2. Select "Computer Repair Options" -> "Troubleshoot" -> "Command Prompt" (the menu may vary depending on the operating system).
3. Type the following commands line by line:
   1. bootrec /rebuildbcd
   2. bootrec /fixboot
4. Remove the installation disc and restart the machine.
5. If errors occur during the boot repair, please continue with step two.

2. Copy boot files from the installation medium (UEFI)

1. Insert the installation medium for your operating system and start the device.
2. Select "Computer Repair Options" -> "Troubleshoot" -> "Command Prompt" (the menu may vary depending on the operating system).
3. Insert diskpart and choose the disk:
4. sel disk 0
5. Show all volumes:
   list volume
6. Identify the FAT32 volume with the EFI partition (in the example volume 2).
   
7. Select the volume (in our case, X = 2 (Volume 2)).
   select volume=X
8. Assign a temporary drive letter for the selected volume.
   assign letter=M
9. Exit diskpart.
   exit
10. Change to the boot directory of the previously selected EFI partition.
    cd /d m:\EFI\Microsoft\Boot\
11. Start the boot repair.
    bootrec /fixboot
12. Rename the old boot configuration.
    ren BCD BCD.bak
13. Recreate the boot configuration (E: is the Windows partition in our example, which is also displayed as 39 GB as in point 5).
    bcdboot E:\Windows /l de-de /s m: /f ALL
14. Restart your device.

3. Repair boot configuration (MBR)

1. Insert the installation medium for your operating system and start the device.
   
2. Select "Computer Repair Options" -> "Troubleshoot" -> "Command Prompt" (the menu may vary depending on the operating system).
3. Type the following commands line by line:
   1. bootrec /rebuildbcd
   2. bootrec /fixmbr
   3. bootrec /fixboot
4. Restart your device.