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I recently had a problem with my windows laptop and I decided to install Ubuntu. During the installation I selected C drive of my PC for Ubuntu to install ( earlier it was having windows OS) without any partitioning.I was able successfully install Ubuntu. Now While booting i see windows boot manager along with Ubuntu. How do I remove this windows boot manager? I am new to this Ubuntu platform.

I ran the sudo efibootmgr as suggested and got this output

checkmate@checkmate-LENOVO-IdeaPad-Z585:~$ sudo efibootmgr
BootCurrent: 0002
Timeout: 1 seconds
BootOrder: 0002,0000,0007,000B,0016,0004,0019
Boot0000* Windows Boot Manager
Boot0001* Lenovo Recovery System
Boot0002* ubuntu
Boot0004* PCI LAN: EFI Network (IPv6)
Boot0005  Setup
Boot0006  Boot Menu
Boot0007* ATAPI CD: MATSHITA DVD-RAM UJ8D1
Boot000B* ATA HDD0: ST1000LM024 HN-M101MBB
Boot0016* PCI LAN: EFI Network (IPv4)
Boot0019* Lenovo Recovery System
dessert
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user67284
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1 Answers1

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You can remove Windows Boot Manager by running in terminal

sudo efibootmgr -Bb 0000
Pilot6
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  • That doesn't rectify the issue. It is still being displayed there. Moreover I am also seeing a momentary message that states "dev/sda5 clean ..... blocks". The dev/sda5 is where is chose to install Ubuntu. It previously contained Windows OS. – user67284 Aug 14 '17 at 22:16
  • Where "there" it is displayed? Is it in grub menu or where? Can you explain it in your question? Did you run sudo update-grub? – Pilot6 Aug 15 '17 at 08:00
  • The command Pilot6 specified should work for you. If it doesn't, then chances are your firmware is adding the entry back. If the file /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi is present in Ubuntu, then deleting it might enable Pilot6's command to work. If that doesn't help, then just accept that the entry will be there; it should do no harm if the Windows boot loader (bootmgfw.efi) is not present on the hard disk. – Rod Smith Aug 15 '17 at 15:27