To install ubuntu on this PC you need to
desactivate the FAN in the BIOS menu
Deactivate in the BIOS: Fan Always on while on AC Power
desactivate acpi for the ATI card
System > Administration > Hardware Drivers > ATI/AMD propietary FGLRX graphic driver: Install but don’t reboot now !!!
In a terminal: sudo aticonfig –initial
In a terminal: [...]
