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Hello I have Windows 10 in a SSD with GPT and I have installed Ubuntu in another HDD(no GPT) My problem is that GNU GRUB doesnt work at all and the first disk (the one with windows) always boots...if I want to run Ubuntu I must open the BIOS and select the other disk.I have tried to install GRUB in the disk where Windows is installed but it doesnt work either

Ashu
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1 Answers1

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You can try to install an EFI system partition on the Ubuntu harddrive and keep the MBR scheme if you want and if there is still a free primary partition available, but for long term you should move the Ubuntu install to GPT. With the knowledge from the first link below you could make tar backups of your existing installation, create a GPT record, restore and just install GRUB as UEFI. That probably save you time setting up your configuration again.

LiveWireBT
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