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Assuming that each ICC profile (icm file) is to be applied to a specific monitor, does it matter if I change which computer is used to drive that monitor?
A realistic setting is with a eGPU setup, where monitors are first connected to a graphic card, then connected to the laptop through a Thunderbolt cable. Here, suppose that I first create an icm file with laptop A with the eGPU connection. Then, with the icm file copied to laptop B and applied to the specific monitor again (for example, in Color Management), can I expect the same calibration result as I’ve seen with laptop A?
Adding to the complication of “driving” the same group of monitors using different computers/graphic cards, there are KVM switches (like this) which can switch between two groups of HDMI/DP output sources. Here, are those icm files less transferable because how those monitors are driven will be different since the actual output devices are different?
Many thanks!
You should check that hdmi range is equalt to first PC and that your are not chainging output format (RGB vs YCbCr).
But if we assume same numeric RGB output from both PCs, yes you can copy them from one computer to another.
Also remember that OSD settings & preset shoudl be the same on both computers. Some display have separate settings (RGB gains…) for each input (HDMI/DP).A display profile verification is recomended to spot any of those issues.
Also remember that some OS have an embeded color manangement engien with certain limitations (macOS) so it’s safer to aim for simper profiles if you want to port them between oses (single curve matrix,BPC enabled)
Thanks a lot!
Just to clarify on the game plan with the eGPU case: since it is the same cable driving the same monitor with possibly two (or more) Windows 11 computers, the same
display.icmfile shall work as expected wherever it is generated/tuned?
