I have tried this several times. The option to boot usb cd is there but when I select it, no repsonce. I have turned off secure boot but it wont let me turn on legacy boot. I have a boot cd in an external usb dvd and a boot dvd in the internal dvd also, just to see if it will boot from either one. NOPE
Looks like this bios has a glitch, not sure!!
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