Hi. I was playing with "debug" , just writing asm code and asking to chatgpt to try enabling the external VGA by hand.... but I only got a freezing computer.
Maybe this is a huge challenge to solve. *Gabriel González González* El mié, 9 oct 2024 a las 21:05, Eric Auer via Freedos-user (< freedos-user@lists.sourceforge.net>) escribió: > > Hi! > > > Thank you for your answer Liam . I tried that , but it seems to work only > > if it is running with an OS ( VGA Drivers Loaded) > > On Windows or Linux loaded that works. > > There is no way to clone the screen without that . So , I will forget it. > > ... > > >> hp mini 110 switch display keystroke > > ... > > >> Press fn+f2 to switch the screen image among display devices connected > >> to the system. For example, if a monitor is connected to the computer, > >> pressing fn+f2 alternates the screen image from computer display to > >> monitor display to simultaneous display on both the computer and the > >> monitor. > > It is possible that instead of letting the BIOS do that job, > the hotkey is actually linked to some low-level steps which > are defined in the ACPI data. So in theory, you can use some > tool of your choice to disassemble that and then follow your > intuition to find the right search terms to find that machine > readable explanation of how screens are switched. > > Then, you can translate those steps to a programming language > of your choice to create a tool to switch screens. > > Of course the more universal solution would be to understand > the whole ACPI stuff using some ACPI engine running as a TSR > in DOS, but that would be a really bloated tool then. > > No idea whether anybody wants to investigate this further, > but maybe "how about reading your ACPI data?" inspires some > of the curious people on the list here :-) > > Eric > > > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user >
_______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
