I have two hard drives, one with no partitions and Windows 7 installed on it(ssd): /dev/sda And the second is for Ubuntu 13.04 (hdd), and is partitioned for: /dev/sdb1 / /dev/sdb2 /home /dev/sdb3 swap

What I need to know is where the GRUB should be installed, to the Windows disk or somewhere on the Ubuntu disk?

Many thanks.


You should install grub to /dev/sdb and make that the default disk to boot from in BIOS. Grub will usually pick up your Windows installations and offer to boot that instead of Linux during system boot.

This has the advantage, that grub does not touch Microsoft's boot loader and you can always revert the boot disk entry in BIOS.

  • Just /dev/sdb/ or /dev/sdb1 or 2? – Louis Curry Sep 26 '13 at 15:07
  • Clarified my answer. – David Foerster Sep 26 '13 at 15:08
  • So 'Device for boot load install' would be /dev/sdb/ and in BIOS I can change boot disk too that disk? GRUB will handle the rest? – Louis Curry Sep 26 '13 at 15:10
  • Yes. Leave the final / though. – David Foerster Sep 26 '13 at 15:12

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