I borked my primary boot device’s grub installation last week because I wanted to start Windows 7 to play some LAN games. Windows 7 wouldn’t boot from grub, so I thought I’d install a new grub version. I reinstalled grub before regenerating the config file and rebooted. Too bad the Arch packages don’t handle that for you, as I was used to in Debian. This caused the grub to fail booting both Windows and Arch, so I resorted to changing my primary boot device in the BIOS.
Now, one week later, I decided to fix it, and as I can never recall by heart what the steps to take are, here’s a recipe, pretty much for my own convenience.
I’m running Arch Linux currently, but the same principle should work for any Linux flavour you might be using.
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