New Samsung WIN8 System notebook computer How to start a U disk?

1, on the power-on while holding down the FN+F2 key into the BIOS system into the interface, select the "Security" tab, move the cursor to "Secure Boot", press ENTER, the parameter to "Disabled."

2, then choose "Boot" or "Startup" tab, move the cursor to "uefi/legacy boot", press ENTER, select "Legacy Oniy".

3, press Fn+f10 key to exit Save, save, the computer will restart, in the restart Press Fn+f12 key to pull up the directory menu, the cursor to the USB HDD, press ENTER, boot U disk. U disk must be a system disk