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I replaced a copy of Windows 10 with Ubuntu 18.04 desktop successfully. The only problem that remains is that the Windows 10 boot selection entry still appears. I know that disabling the OS probe will work around the problem but I would prefer to get rid of whatever is causing OS probe to think that Windows 10 is still there.

EDIT: I am going the other way than what was suggested in the comment. I overwrote the Windows partition with an ext4 bootable partition.

Any ideas on how to do this?

Jonathan
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  • Possible duplicate of [How to remove "Ubuntu" from Boot Menu after deleting Ubuntu partition in Windows 10 (Dual Boot)](https://askubuntu.com/questions/921046/how-to-remove-ubuntu-from-boot-menu-after-deleting-ubuntu-partition-in-windows) – digiwizkid Aug 14 '18 at 22:47
  • Possible duplicate of [How to remove Windows from grub menu and boot straight to ubuntu?](https://askubuntu.com/questions/166776/how-to-remove-windows-from-grub-menu-and-boot-straight-to-ubuntu) – karel Aug 15 '18 at 01:15
  • If UEFI probably this: http://askubuntu.com/questions/63610/how-do-i-remove-ubuntu-in-the-bios-boot-menu-uefi, you have to remove the /EFI/Microsoft folder in ESP and Windows boot entry in UEFI with efibootmgr. – oldfred Aug 15 '18 at 03:40

1 Answers1

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First list your boot entries:

$ efibootmgr
BootCurrent: 0001
Timeout: 0 seconds
BootOrder: 0001,0000,0003,0007
Boot0000* Windows Boot Manager
Boot0001* ubuntu
Boot0003  Onboard NIC (IPV4)
Boot0007  Onboard NIC (IPV6)

In my case it is Windows 10 is Boot0000.

Using these instructions: How to delete boot managers from a UEFI boot menu, I would type:

efibootmgr -b 0000 -B

Please read the linked article very carefully and make sure you fully understand the process. If not ask below or post a new question if your rep doesn't allow posting comments.

WinEunuuchs2Unix
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