This is more of a suggestion. Recently a user entered #gentoo-amd64 frustrated with not being able to boot windows and gentoo on the same system. Most people, for two days, told him to rtfm, but eventually, with persistence we discovered that his windows partition was on a second drive which, windows being windows, refused to be second string and didn't boot for him. grub confusion is fairly common in #gentoo-amd64 so perhaps expanding this part of the guide would help. For the record, this is part of the grub.conf that eventually worked for him. title Windows map (hd0) (hd1) map (hd1) (hd0) rootnoverify (hd1,0) makeactive chainloader +1 Reproducible: Always
The installation handbook is strictly about installing Gentoo, but the instructions for dualbooting other operating systems is already found in the FAQ and the grub error collection guide.
