The specified resolution cannot be set

[cephas20012]

Sometimes the tool cannot change the resolution. Requesting from the application to Set Resolution results in no error, and no resolution change. Running from command line (QuickChangeResolution.exe --set-resolution 3840x2160 -a) will give the error message "The specified resolution cannot be set"

[Myndmelt]

cephas20012 I was running into this too. It was because I had multiple monitors setup and the program was trying to change the resolution of a different monitor. The solution was to disconnect the other displays and then see if the program is working to change the resolution on the correct display. I also deleted the Ini file created in the QuickChangeResolution Directory. After I did those things it works as expected.

[cephas20012]

Thanks Myndmelt, will try deleting the ini file. I usually experience the problem when my laptop lid is closed and I am using only my 4k monitor (I use a desktop shortcut to switch between 4k for my work or HD for meeting share). When I have the problem, QuickChangeResolution cannot change to any resolution, either command line or through the GUI. I do sometimes take my laptop to another workstation that has a dual HD monitor setup, but it's sometimes when I return to my 4k that QuickChangeResolution has the problem. I usually hibernate overnight but do not reboot until the weekend.