HP EliteBook Folio G1 Notebook PC - Maintenance and Service Guide

To specify a boot device from the Express Boot menu, select your preference within the allotted time,
and then press enter.
To prevent the computer from defaulting to the current MultiBoot setting, press any key before the
allotted time expires. The computer will not start until you select a boot device and press enter.
To allow the computer to start according to the current MultiBoot settings, wait for the allotted time to
expire.
Using MultiBoot 53