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I originally had a Windows OS and I wanted to also have a Linux OS. So I added Ubuntu in dual boot with Windows. However, when I start my pc, it doesn't display the boot menu and goes on the Windows OS immediately.

I tried to display the boot menu from Ubuntu : for that I edited the /etc/default/grub file by changing hidden to menu in the line GRUB_TIMEOUT_STYLE and then did sudo update-grubto save changes. But it didn't work.

I tried to display the boot meny from Windows : for that I went to the bios and tried to configure the UEFI to start from Ubuntu in the boot order to make Grub first position but I cannot do that cause it don't show me Grub.

How can I display the Grub menu to choose between Windows/Ubuntu when I start my pc ?

my partitions

Ubuntu is on the partition number 9 of the image above.

PS : Sorry for the image being in French. I think it's still understandable though.

PharaohOfParis
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1 Answers1

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Are you entirely sure that the disk you are booting from is the disk which grub is installed too? How exactly did you create your dualboot? Are both OS' installed to the same disk, or to two different disks? If it is the latter, then I suggest modifying your boot order to increase the priority of the grub partition.

Please use a live disk to double check exactly where your grub install is located (via GParted or other) and that the same disk is the one being booted from.

paddywan
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