HP's Pavilion P6-2310 uses UEFI In short, to get to the point where we can attempt to boot an alternative operating system we need to know our way through six steps: Boot machine while pressing F10 Find Secure Boot in the menu tree, ignore warnings Disable Secure Boot feature Enable legacy boot options Enable specific legacy devices, such as USB devices Save and reboot while holding down F9 manufacturers could have simply made motherboards with a BIOS write protection jumper, several of which exist: motherboards with BIOS_WP option -------------------------------- ECS P4M800PRO-M478 Pentium 4 Gigabyte GA-8I915ME Pentium 4 LGA775 MSI MS-7067 micro ATX instead they made a computer that is hostile to every operating system except for the latest Microsoft Windows offerings examples of computers hostile to linux: HP's Pavilion P6-2310 Yoga 900-13ISK2