Edit EDID for Dummy HDMI to add support 16:10 aspect ratio
My dummy HDMI only support 1920x1080 60Hz, but all my real displays is 16:10. It leads to a problem that every time I switch devices, the Windows interface is forced to scale to the new resolution with a different ratio. After that, some apps will be broken GUI. So I need to patch EDID to change my HDMI dummy resolution. First, all we need is: Computer with AMD or NVIDIA GPU (HDMI dummy pluged in to GPU). If yours PC is a laptop, make sure that GPU is out to HDMI ports. EDID Writer tool: EDWriter EDID databases: EDID repo from BSD Hardware Project: https://github.com/bsdhw/EDID Let’s go! ...