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5

Reinstall the GRUB boot loader this way : Boot from Ubuntu installation media. Open a terminal and execute : sudo mount /dev/sda2 /mnt sudo mount /dev/sda1 /mnt/boot/efi for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done sudo chroot /mnt grub-install /dev/sda update-grub Note : sda = disk | sda1 = EFI partition | sda2 = system ...


0

You have to select the #6 option i.e. Windows Boot Manager (on /dev/sdb2) to get into Windows. Once you are in Ubuntu you can try this sudo add-apt-repository ppa:danielrichter2007/grub-customizer sudo apt-get update sudo apt-get install grub-customizer grub-customizer and move the Windows entry up so that your laptop/desktop goes directly into Windows. ...


0

Another simple way to fix this from Windows 8/10 is using admin command prompt: bcdboot c:\windows To remove remnants of grub completely you have to clean up EFI system partition(ESP). This can be done easily using Dual-boot Repair 10 as it mapps ESP automatically to drive Z:(or another free drive letter). Use for example "Backup BCD" dialog to browse ...


4

According to a Launchpad bug page, it needs a sponsor to upload it to the Ubuntu and Debian repositories. I read down the thread a bit and, while its rather old, it seems the developer still has no sponsor.


0

I solved the problem following the steps: 1- I tried to install Ubuntu again a few more times, then the installation proceeded and created the grub again. 2- I ran the Boot-repair again, and using gparted I could see the boot partition.(as required by Boot-repair). 3- So, I uninstalled the Ubuntu using the OS-Uninstaller from Boot-repair. 4- I ran Windows ...


1

There are several ways to do what you want: You can use the same bcdedit command in Windows, but instead of \EFI\ubuntu\grubx64.efi, you can specify \EFI\Microsoft\Boot\bootmgfw.efi. You can use the EasyUEFI program in Windows to manage the EFI boot entries in a GUI way. This is likely to be less error-prone that bcdedit. Move the Windows entry to the top ...


0

Thank you cl-netbox for your help. I disabled the fast boot and executed the mentioned command. But in BIOS i cannot find option to select Ubuntu as default system. But after restarting first time i got ubuntu option, but same problem persist. When I booted to Windows and shut down the system again started in Windows without showing any other option. Please ...


0

In the BIOS settings, double check the BIOS Mode is in legacy and not UEFI. This did the trick for me.


4

Boot into Windows, disable hibernation and Fast Boot. Open command prompt as administrator and execute: powercfg /h off Open the "old" version of Windows Control Panel. Go to the Power Settings and uncheck Fast startup. In case it is not visible, enable show hidden settings. Shutdown the machine completely, do NOT reboot. Boot into BIOS and select ...



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