* David Christensen <dpchr...@holgerdanske.com> [24-09/15=Sun 17:13 -0700]: > On 9/15/24 16:12, Will Mengarini wrote: > > I am trying to install Debian on a new prebuilt, but when I > > boot and press <F2>, the screen is garbled. Windows later > > figures it out, but by that time it's too late to tell the > > BIOS to boot from a USB stick on which I've installed netinst. > > > > The mobo is a Gigabyte B450M DS3H WIFI (rev 1.5), manual at > > <https://www.gigabyte.com/Motherboard/B450M-DS3H-WIFI-rev-15#kf>. > > > > I can see some letters on the garbled screen, but have not > > yet been able to figure out how to get to the boot order. > > > > So, either of 2 things might help me: > > > > (1) The complete key sequence at the BIOS screen (or its <F1> > > help screen) to tell the mobo to boot from the USB stick first. > > > > (2) Some way to boot that stick or its > > contents directly from inside Windows. > > > Are you using the onboard graphics HDMI port? If not, what?
HDMI > What is the make and model of your monitor? ViewSonic 15E > Is the display legible during the power on > self-test (POST), prior to entering Setup? No. > Please describe "garbled" in more detail. > Is the image consistent or changing? Changing; it's out of sync, as if the BIOS is using an unsupported resolution.
