Hi, I have a dv7-6b77dx and I'm using it with an external monitor using the HDMI port. When I boot up the computer, the built-in display shows the post screen and BIOS. The external monitor only gets activated at the Windows log-on screen. There are no settings to change this in the very limited InsydeH2O BIOS. Is it possible to unlock the BIOS so that there will be a setting to set the monitor at startup? Thank you.