On 01/19/18 02:41, Beartooth wrote: > but that's as far as I've gotten. I'm hoping someone here will tell me there's a > file on each PC that I can just paste the above into: most of it is Geek to me. Along with looking at https://www.kernel.org/doc/Documentation/EDID/ as pointed to by Tom, you should also look at https://wiki.archlinux.org/index.php/kernel_mode_setting#Forcing_modes_and_EDID Basically, because you have a KVM that doesn't relay the EDID data from the monitor to the kernel faithfully you'll need to override it. The link above gives information on how to do that. The hard part can be getting the actual EDID information from your monitor to place in /usr/lib/firmware/edid . I only have experience doing that with nVidia binary drivers where it is easy to do with their nvidia-settings utility. There is a monitor-edid package available which supplies monitor-get-edid which may or may not work. If you install it, you'll probably find it gets a selinux error which you can fix easily. But it won't work for me after that but that may be due to my choice of drivers. Anyway, something like this happened to me quite some time ago. I found the least painful thing to do was to research and then go out and buy a good KVM. I no longer have the need for KVM so I can't recommend a product. But that is what I would do. Not only would it solve the problem for me with the least amount of pain/effort I wouldn't have to go through the same process in the event of a fresh install or another reason. -- Fedora Users List - The place to go to speculate endlessly
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