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My new Dualboot Win10 / Ubuntu 20.04 shows Grub and lets me boot into Ubuntu, but when I try to start into Windows (option Windows 10 (on /dev/sda3)), it gives me an error:

File: \Boot\BCD
Status: 0xc00000e
Info: The Boot Configuration Data for your PC is missing or contains errors.

When I check UEFI BIOS's Boot Priority list, I see two Windows Boot Manager entries with the same text:

Windows Boot Manager (SATA6G_1: Samsung SSD 850 EVO 500GB)

The UEFI< BIOS Boot Menu (F8) shows them as well. If I doubleclick on the first one, Windows starts normally. If I doubleclick the second one, I jump back to the main UEFI BIOS menu.

What can I do to fix the entry in grub?

Background

  • After installing Dualboot Ubuntu 20.04 next to a Windows 10 installation, Grub would not load and boot streight into Windows.
  • I fixed this with bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi in Windows command line and turning off Hibernation Mode and Fast Boot.
Timm S.
  • 141

0 Answers0