Asus T300L series User Manual page 98

6. How can I boot to DOS using my USB drive or ODD?
Refer to the following steps:
Restart your Notebook PC and enter BIOS by pressing F2 on
a.
your keyboard.
Go to Boot > Launch CSM > Enabled.
b.
Go to the Security menu then set Secure Boot Control to
c.
Disabled.
Press F10 to save changes and exit BIOS.
d.
Press and hold ESC to launch boot menu when your
e.
Notebook PC restarts.
98 Notebook PC E-Manual