Installing Windows7 turned out to be not so easy as previous versions. Booting the DVD within a VirtualBox virtual machine barfed with:
CDBOOT cannot boot from CD code:5The solutions on the interwebs mentioned something about ETFSBOOT.COM or using Gujin (a boot loader) to boot from the CD. But the thing that worked for me was:
- Boot a Windows Vista Recovery Disc
- Select "Repair my computer"
- Select "Command prompt"
- Select your CD drive, e.g. type
"D:"if your drive is listed as drive ''D:''