ACPI: Looking for DSDT in initramfs... error, file /DSDT.aml not found.
sudo gedit /boot/grub/menu.lst
in a terminal, sudo gedit /boot/grub/menu.lst , You should now replace as before... Replace "quiet splash" with "acpi=off". Save and the setting is permanent.example:title Ubuntu 7.10, kernel 2.6.22-14-genericroot (hd0,0)kernel /vmlinuz-2.6.22-14-generic root=/dev/mapper/ubuntu-root ro quiet splashinitrd /initrd.img-2.6.33-14-genericquiet
sudo vim /boot/grub/menu.lst
title Ubuntu 7.10, kernel 2.6.22-14-genericroot (hd0,0)kernel /vmlinuz-2.6.22-14-generic root=/dev/mapper/ubuntu-root ro acpi=offinitrd /initrd.img-2.6.33-14-generic