First prepare the software: Usboott 1.67
1. Use Usboot to create a U disk, select FDD mode (must choose this).
2. Enter the BIOS. Method (for most motherboards): When the (post,power-on Seif test) is pressed, the (DEL) key can be used to start the Setup program.
3. Enter the first main screen property of the BIOS setup program (main MENU) and set lagacy diskette A to [1.44M 3.5 in].
4. Enter the BIOS setup boot menu to set the first startup item to legacy Floppy.
5. Save, exit, restart, OK! has been started from the U disk, the letter is a:. Because of the choice of FDD mode, U disk is made into a floppy disk mode. The auto assign letter is a equivalent floppy disk, which can be started from the floppy disk. Encounter without a U disk Startup items can try to use this method to solve, this method in the ASUS motherboard test is very successful, of course, different computers or motherboards may have some differences, but I believe there will not be too much difference, if interested friends, try more times!