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I managed to correct this issue by setting HDMI Black Level in the monitor OSD from "Low" to "Normal". Works fine in Full RGB mode now.

Hi there, I'd like to know how I can run a specific file (a single executable that runs in the background by default/AHK script) the moment a specific program launches and close when that app is closed Windows 10 Pro x64

I'm using a Samsung S24E390 1920x1080 LED PLS monitor and the issue I'm having is that in the AMD control panel when I adjust the pixel format to RGB 4:4:4 (RGB Full) the colour is absolutely amazing but the blacks are much too dark to the point where it's really hard to see blacks or shadows in any type of media. The workaround however is for me to use YCbCR in 4:4:4 pixel format which balances out the blacks but leaves the colours looking a bit dull especially in comparison to the RGB setting. I've tried tinkering with the monitor's OSD but the monitor's OSD doesn't work with HDMI input being used so OSD is disabled in HDMI mode. The monitor itself has colour profiles available on the support page on their site but it makes absolutely no difference I even tried using their own driver which just changes the name of the display in the device manager from "generic display" to the original monitor's model. Does anyone know a fix to this or is my monitor faulty? [UPDATE] I did some more thinkering and found that if I overclock the monitor's refresh rate from 60Hz to 70Hz and set the timing standard to CVT from the manual setting (I've tried all available timing standards) the RGB setting works when GPU scale is turned off but it looks exactly like the YCbCR setting so I assume that it isn't even switching over to RGB colour just reporting that back to me in the control panel. When I enable GPU scaling again it makes the RGB colour setting look dark again. Also to add another note I've actually bought 3 branded high quality HDMI cables and the exact same issue is replicated across all of them so it's definitely not related to faulty cabling.

Here's the issue though, when I flash a different vendor's bios on the GPU it seems to nullify the overvolting I set even if I set it in the bios to above 1v it doesn't apply at all on the card.

@i_build_nanosuits Thanks for the speedy reply. So basically what you're saying is that the Twin Frozr series all have a proprietary feature embedded that causes the fans to spin to the max upon booting. You wouldn't know a workaround for that perhaps?

So I've recently been toying around with the clocks and voltage of a spare HD 7850 GPU I have, specifically the MSI Twin Frozr II Power Edition variant which I dont care much about so I'm not worried about damaging it. Basically the issue I'm having is that when the card boots up the fans spin to max for the entire booting process till it gets into windows which is odd because when I've tried other vendor's bios' this issue doesn't occur. Only when I've flashed a legitimate Power Edition bios specifically made for my card the fans tend to spin to max when booting up. I know the card is outdated I dont really intend on using it other than to tinker around and see what I can do with it before it explodes. I've managed to increase the voltage to 1.3v with a stable clock speed of 1350MHz up from 875MHz with a modest memory overclock of 1350MHz up from 1200MHz both stable. All of this is done in a customized version of the original bios by default the card has unlocked voltages in the bios. I've been tinkering with the Radeon bios editor and managed to fix the default fan profiles which initially caused the fans to spin up near max when the GPU reaches 65 degrees which is unnecessary I just have this one minor issue that keeps bugging me I'd really like to know how I can fix it. Kind regards