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Solved > 10.15.4 Update - how to disable HDR support?

Joined
Nov 23, 2015
Messages
22
Motherboard
Gigabyte Z390 Gaming X
CPU
i5-9600K
Graphics
RX580
Mac
MacBook Air
Classic Mac
Power Mac
Mobile Phone
iOS
Hi,

after 10.15.4 update I have terrible bright colors on my LG 27UL650-W (4K / HDR10 / Displayport 1.4). HDR in Display preferences is switched-off. In Monitor's OSD I don't see HDR settings.

How to disable HDR10 support in 10.15.4?

I have RX580 8GB.
 
Joined
Mar 25, 2020
Messages
2
Motherboard
MacBook Pro 16inch motherboard
CPU
MacBook Pro 16inch CPU
Graphics
MacBook Pro 16inch GPU
Mac
MacBook Pro
Oh god. I just updated to 10.15.4 and my eyes hurt. I can't find the setting to disable HDR, though. Help, please! I have an LG 27UL850-W :X
 
Joined
Nov 23, 2015
Messages
22
Motherboard
Gigabyte Z390 Gaming X
CPU
i5-9600K
Graphics
RX580
Mac
MacBook Air
Classic Mac
Power Mac
Mobile Phone
iOS
When High Dynamic Range is on brightness is up, when HDR is off colors are bright, contrast is bad and shadows under windows look terrible :/ I can't change anything in monitor's OSD - everything is locked when signal from RX580 is in HDR standard. How to fix it? :/
 
Joined
Jul 25, 2013
Messages
10
Motherboard
Gigabyte Z390 M Gaming
CPU
i5-9600K
Graphics
RX 590
Same problem here, I think it's due to 10.15.4 hdr mismatching
 
Joined
May 9, 2013
Messages
41
Motherboard
Asus ROG Strix Z390-I Gaming
CPU
i7 9700k
Graphics
no
No matter whether the checkbox is selected or not, Mac OS sends HDR signal to monitor. Monitor shows HDR label in both cases. Is there any way to change it and get back to SDR under Mac OS 10.15.4?
 
Joined
Mar 25, 2020
Messages
2
Motherboard
I didn't read
CPU
the RULES
Graphics
so ignore me
Mac
MacBook Pro
Mobile Phone
iOS
This is not happening in my situation with an LG-27BK85U; I get no HDR label on the monitor OSD after unchecking "High Dynamic Range" in display settings and horrible washed out colors when it's checked but the "HDR" label does show up.
 
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