Specifications

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Notebook PC E-Manual
6. How can I boot to DOS using my USB drive or ODD?
Refer to the following steps:
a. During POST, press and hold the volume down button until
the following screen appears.
b. Once the Select Page appears, you may release volume
down button then select SETUPMENU to enter BIOS.
IMPORTANT! If you fail to select SETUPMENU before
the counter turns from 9 to 0, your Notebook PC will
proceed to launching Windows® 8.
c. Go to the Security menu then set Secure Boot Control to
Disabled.
d. Go to Boot > Launch CSM > Enabled.
e. Press F10 to save changes and exit BIOS.
f. Press and hold ESC to launch boot menu when your
Notebook PC restarts.