Hard drive does not show up in BIOS

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http://unix.stackexchange.com – I've got a new Asus laptop and have been trying to install Arch Linux. UEFI and Secure Boot issues gave me a hard time getting things from the ground. Ultimately, I was able to boot into the Live CD, and I currently have Arch pretty much installed. I plan on using a BIOS motherboard (better put: Compatibility Mode on my UEFI motherboard), using GRUB. I've followed all instructions at: https://wiki.archlinux.org/index.php/Beginners'_Guide#GRUB And GRUB was successfully installed (including the 2MB Bios Boot partition). All goes well, but when I log out of my chroot and reboot the machine, it (HowTos)