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I wanted to install Arch Linux on my netbook. I hadn't important files on my hard drive so I've created new partition table (GPT) using GParted from Fedora LiveCD. When I'm running

grub-mkconfig -o /boot/grub/grub.cfg

I get errors and my new system will not run from GRUB. How can I fix it? Is it a corrupted iso file? I'll add it isn't a problem with hard drive - before Arch, there was Ubuntu and Fedora.

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    Have you installed arch? What errors do you get? How can we help if you don't even give us the error messages? Have you actually installed grub?
    – terdon
    Dec 31, 2013 at 15:49

2 Answers 2

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grub-mkconfig must be run once GRUB is installed, which is done by running :

grub-install /dev/sda # Adapt sda.

Tip : have a look at man pages synopsis for more information :

The Arch Wiki also details the installation process accurately :

You will also find GPT-specific instructions here :

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  • Thanks, but I followed Beginners' Guide and I have installed GRUB. grub-install /dev/sda doesn't signal any errors. I have also installed os-prober.
    – enedil
    Dec 31, 2013 at 17:12
  • Can you run grub-install with the --recheck option ? Dec 31, 2013 at 17:13
  • I actually ran it with --recheck option.
    – enedil
    Dec 31, 2013 at 17:14
  • Are you in an Arch chroot when running grub-mkconfig ? Is the /boot partition/disk space available ? We might need more information... Dec 31, 2013 at 17:14
  • Yes, I'm in arch-chroot. My boot partition is mounted in /mnt/boot in host system. Boot partition - 512 MB.
    – enedil
    Dec 31, 2013 at 18:54
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Actually, the iso from last December (year 2013) was corrupted. Grub was corrupted. As Arch is a rolling release distro, most users haven't noticed it. Next iso solved this issue.

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