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Ive been using DisplayCal for years on older laptops and my home monitor (Dell U2720Q) with no issues with a ColorMunki display. Running Windows 11. No issues with calibration or DCI-P3 gamut working via the software.
Ive recently bought a new laptop – Asus ROG Zephyrus G16 2023. This is an integrated Intel Arc and dedicated NVIDIA RTX 4070 GPU and a screen that claims to be DCI-P3.
The installed profiles with Armory Crate and the s/w itself also state DCI-P3 as options.
However, calibrating with DisplayCal and im only getting about 72% Gamut and Coverage at DCI-P3.
Is there a setting somewhere in software im missing and its somehow running in an sRGB or lower gamut mode?
No matter where i look i cant see to get any more than the mid 70s in coverage.
Calibrite Display SL on Amazon
Disclosure: As an Amazon Associate I earn from qualifying purchases.It can be some vendor software which beaves like novideo_sRGB, simulating sRGB. Task manager & startup items and check visual saturation of a green 255 patch in MS paint.
Also it can be HDR mode active, making everything SDR look like SRGB: disable HDR and check visual saturation of a green 255 patch in MS paint.Think ive tried all the usual obvious suspects – nothing in the intel or nvidia control panels to auto adjust anything (contrast, saturation etc), no HDR mode enabled. Ultimately visual checks to my eye *look* fine but DispCal is saying 75% or so DCI-P3 (ive just done a DDU and driver install fresh and showing same).
If measured 255 green or 255 red on MS paint are sRGB and not close P3:
-you have a vendor app / preset / bios preset simulating sRGB
or
-display has not such P3 coverage.
The smoking gun would be a spectral powrr distribution measurement with an i1pro or such device where we can actually see the primaries mix.
OK its fixed, posting this in case it helps someone else in the future.
At some point since the last time (maybe 9 months) a Windows “feature” update appears to have added some options in display by default.
In Settings > Display >Advanced Display theres a “Automatically manage settings for apps” which now seems to be on by default. This seems to break calibration and force an sRGB.
Removing that and it works perfectly with 100% DCI P3 coverage.
Interestingly it only seemed to break the internal display not external.
So solved and maybe it might help someone else by posting this.
