Unsolved Can you guys please test this simple Qt program on your machine ?
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whoa! that is different :D
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man i think your monitor doesn't support DDC/CI you should check it.
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@Ahti
My monitor does support it.
tested with this program
http://clickmonitorddc.bplaced.net/ -
that program doesn't work on my machine it crashes after couple of seconds with the error message "ClickMonitorDDC cannot detect monitor, program will exit"
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@Ahti
ok. worked fine for me on win xp, win 7, win 10.
let me try non laptop. :) -
i once posted a question about I2C bus error message in windows forum and one of the reply said "SetMonitorBrightness" won't work on desktop its for laptops :O
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@Ahti
Well often only laptops/tablets have the hardware.
Tested in desktop win 10 and it it fail to read and set. (clickmonitorddc). -
what do you mean by that ?
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The harware needed for setting screen brighness is often found in
laptops screens and tables. for older screens its simply not supported.
I tried 4 here. and none of them allowed brightness to be set.
Only laptop and win 8 table allowed it.