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digitalfarseer · (Last edited: 10-22-2019, 03:00 AM by digitalfarseer)

Use CRU for my ASUS PB278Q. After upgrade my videocard from Sapphire RX290X Vapor-X to Sapphire RX 5700 XT Nitro+ i have "no signal" error when trying to run with 85Hz. Delete HDMI Support block from extension blocks fix my problem.

I do not know if this is correct, but it works.

P.S. Except audio in the monitor.. How i can turn on audio? Onto RX290X it works with default blocks, i just set refresh rate. If i add "hdmi support" block, have no signal, if remove it – works with 85Hz, but no audio from monitor.

***ToastyX*** · 10-22-2019, 12:50 PM

(10-22-2019 12:35 AM)digitalfarseer Wrote: Use CRU for my ASUS PB278Q. After upgrade my videocard from Sapphire RX290X Vapor-X to Sapphire RX 5700 XT Nitro+ i have "no signal" error when trying to run with 85Hz. Delete HDMI Support block from extension blocks fix my problem.

I do not know if this is correct, but it works.

P.S. Except audio in the monitor.. How i can turn on audio? Onto RX290X it works with default blocks, i just set refresh rate. If i add "hdmi support" block, have no signal, if remove it – works with 85Hz, but no audio from monitor.

You're not paying attention to pixel clock limits, and that monitor can't display 85 Hz correctly anyway. HDMI audio requires the HDMI data block.

***ToastyX*** · 10-22-2019, 12:52 PM

(10-21-2019 06:38 PM)Dogway Wrote: Yes, that's what I fear, is there any kind of guidelines to know what can work and what not, or is it just a matter of trying?

TVs are designed to display TV resolutions and refresh rates. If you're trying resolutions or refresh rates that the TV doesn't officially support, there's no guarantee any particular timing parameters will work.

Dogway · (Last edited: 10-22-2019, 01:47 PM by Dogway)

I can set up modelines not listed in the manual for 1080p: http://downloadcenter.samsung.com/conten...152214250/[ENG]X14DVBEUH-1.113-0626.pdf

Typically 0.4% within range, but when I deviate too much like 57Hz I can't seem to find a modeline that works.

brandi87 · 10-23-2019, 12:33 AM

Hi,

since my latest windows update (a bigger one... 1903) I'm no longer able to use the custom resolution (4k) on my samsung screen via HDMI.

I've used to have 3840x2160 (30Hz). But since my OS update the resolution is not selectable anymore.
When I open the CRU utility, I can see the detailed resolution. Even if I delete everything, execute "reset all" and restart my computer. I still can see this 4k detailed resolution (see screenshot). So I think it could be there is some orphaned setting in registry or somewhere else.
Already executed DDU and reinstalled all drivers (AMD RADEON 6850). Still no success.
Do you have any hint for me?

Thanks in advance and best regards
Roland

***ToastyX*** · 10-23-2019, 12:47 AM

(10-23-2019 12:33 AM)brandi87 Wrote: I've used to have 3840x2160 (30Hz). But since my OS update the resolution is not selectable anymore.
When I open the CRU utility, I can see the detailed resolution. Even if I delete everything, execute "reset all" and restart my computer. I still can see this 4k detailed resolution (see screenshot). So I think it could be there is some orphaned setting in registry or somewhere else.
Already executed DDU and reinstalled all drivers (AMD RADEON 6850). Still no success.
Do you have any hint for me?

6850 is old and requires patching the driver to get 3840x2160 @ 30 Hz: https://www.monitortests.com/forum/Threa...ck-Patcher

I don't see any residual settings in your screenshot. Your TV defines 3840x2160 @ 60 Hz by default, but that requires a newer card with HDMI 2.0.

brandi87 · 10-23-2019, 07:46 PM

6850 is old and requires patching the driver to get 3840x2160 @ 30 Hz: https://www.monitortests.com/forum/Threa...ck-Patcher
This was missing. after patching the resolution was available.
Thank you!

Lightstrider01 · 10-26-2019, 06:14 AM

I am trying to create a 61hz refresh rate on my BenQXl2420T 1st edition monitor.
the monitor comes with 60hz,100hz and 120hz. I am trying to match my refresh rate to the majority of fps i get in gaming so i dont have to use adaptive half refresh rate in nvidia for nasty input lag.

When i run CRU i select none on the left pane, and then delete all for all 3 boxes, and then try to add lcd native, 61.009 hz to stay nice and abit above 61hz.
Seems that some reason i get weird wavey light beams on the sides of the monitor though while at this, i have tried taking it down to 60.998 or even 63 or w/e, still comes and gets faster or weirder, i think 65hz made my screen all fuzzy. however if i plunk it at 75hz it seems to go away. agh what am i missing, any input? or easy way to get 61hz?

***ToastyX*** · 10-26-2019, 11:05 AM

(10-26-2019 06:14 AM)Lightstrider01 Wrote: I am trying to create a 61hz refresh rate on my BenQXl2420T 1st edition monitor.
the monitor comes with 60hz,100hz and 120hz. I am trying to match my refresh rate to the majority of fps i get in gaming so i dont have to use adaptive half refresh rate in nvidia for nasty input lag.

When i run CRU i select none on the left pane, and then delete all for all 3 boxes, and then try to add lcd native, 61.009 hz to stay nice and abit above 61hz.
Seems that some reason i get weird wavey light beams on the sides of the monitor though while at this, i have tried taking it down to 60.998 or even 63 or w/e, still comes and gets faster or weirder, i think 65hz made my screen all fuzzy. however if i plunk it at 75hz it seems to go away. agh what am i missing, any input? or easy way to get 61hz?

You're not using VGA are you? Try "LCD standard" instead.

Lightstrider01 · 10-26-2019, 11:43 AM

seems to be the same effect, odd slow storbing light effects faintly 1 inch from either sides, hard to notice but there. is reduced worth a shot? i dont have it when the horz is 67.500 but it moves if i change the refresh rate and wont stay at 67.500 if i try to force it in manual.

using a dvi d cable.