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Custom Resolution Utility (CRU)
02-08-2019, 09:21 AM
Post: #3811
RE: Custom Resolution Utility (CRU)
(02-04-2019 04:25 PM)ToastyX Wrote:  
(02-03-2019 11:26 AM)heaae Wrote:  Another question… Some new 120, 144Hz screens have inverse ghosting issues:
https://forums.geforce.com/default/topic...ia-drivers
https://rog.asus.com/forum/showthread.ph...e-ghosting

I wonder if CRU could help…?
That's caused by badly-tuned response time compensation (overdrive) in the hardware. There's no way around that with software.

Mmmh, could it be fixed with a monitor firmware (?) upgrade by the end user? Is it possible on a laptop or requires special HW to connect to tune the Overdrive? I'm asking because it seems a defect of some entire lines of gaming laptops...
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02-08-2019, 09:31 PM
Post: #3812
RE: Custom Resolution Utility (CRU)
(02-08-2019 09:21 AM)heaae Wrote:  Mmmh, could it be fixed with a monitor firmware (?) upgrade by the end user? Is it possible on a laptop or requires special HW to connect to tune the Overdrive? I'm asking because it seems a defect of some entire lines of gaming laptops...
It might be fixable with a firmware update, but it might not be user-updatable depending on how it's implemented. Even disabling overdrive altogether would be better than inverse ghosting.
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02-09-2019, 08:07 PM
Post: #3813
RE: Custom Resolution Utility (CRU)
(02-07-2019 09:22 PM)ToastyX Wrote:  You don't need the same resolution in multiple places. Just keep one of them. The first detailed resolution has the highest precedence. Also, check the TV resolutions and HDMI support data blocks and make sure to delete 3840x2160 @ 30 Hz if it exists.

I deleted the 3840x2160 @ 30 Hz resolution from the TV resolutions entry and now I have a display refresh rate of 29.9645... instead of 29.969.... .

What exactly do I have to look for in those HDMI support data blocks? Can I delete HDMI support entry in case HDMI 2.0 is used?

The resolution I entered into CRU really is recognized by the operating system. It is listed in the EDID section:

[Image: UX3U8fl4.PNG]

The pixel clock and refresh rate are exactly the same as in optimized pixel clock entry #32 I used to input the values into CRU.

[Image: xu3Gi2x1.PNG]

I was expecting a constant refresh rate of 29.970 with a variable tail and not an optimized one that results in frame drops every 3 minutes. I guess I need a few days to really believe it is based on hardware clock variance.
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02-09-2019, 08:48 PM
Post: #3814
RE: Custom Resolution Utility (CRU)
(02-09-2019 08:07 PM)waldnebel Wrote:  I deleted the 3840x2160 @ 30 Hz resolution from the TV resolutions entry and now I have a display refresh rate of 29.9645... instead of 29.969.... .
The difference between 29.9645 and 29.96954 is 5.6 microseconds (0.0000056 seconds) per frame. Windows is not a realtime operating system, so time measurements won't be perfect.


(02-09-2019 08:07 PM)waldnebel Wrote:  What exactly do I have to look for in those HDMI support data blocks? Can I delete HDMI support entry in case HDMI 2.0 is used?
No, the HDMI data block is required even with HDMI 2.0. When you edit the data block, there's a list of resolutions at the bottom. Make sure 3840x2160 @ 30 Hz is not in there.


(02-09-2019 08:07 PM)waldnebel Wrote:  I was expecting a constant refresh rate of 29.970 with a variable tail and not an optimized one that results in frame drops every 3 minutes. I guess I need a few days to really believe it is based on hardware clock variance.
Did you try the pixel clock calculator? It lists the horizontal/vertical totals and pixel clock required to get a certain refresh rate. You should be able to nudge the refresh rate slightly higher to make up some of the difference.
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02-11-2019, 11:59 AM
Post: #3815
RE: Custom Resolution Utility (CRU)
Help guys, urgently! Send me a screen of resolution settings of 1600 x 900, I put 75 Hz in another program and now I can not restore the original settings
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02-11-2019, 01:38 PM
Post: #3816
RE: Custom Resolution Utility (CRU)
(02-11-2019 11:59 AM)Nekti Wrote:  Help guys, urgently! Send me a screen of resolution settings of 1600 x 900, I put 75 Hz in another program and now I can not restore the original settings
I don't understand. 75 Hz with what program? Describe what you did. What settings are you looking for?
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02-11-2019, 03:29 PM
Post: #3817
RE: Custom Resolution Utility (CRU)
(02-11-2019 01:38 PM)ToastyX Wrote:  
(02-11-2019 11:59 AM)Nekti Wrote:  Help guys, urgently! Send me a screen of resolution settings of 1600 x 900, I put 75 Hz in another program and now I can not restore the original settings
I don't understand. 75 Hz with what program? Describe what you did. What settings are you looking for?

I edited the resolution by creating a new resolution through AMD Radeon Settings 19.2.1, but a new custom resolution was created based on 1600 * 900 (main), and I just edited the screen frequency to 75 Hz. And after that the resolution was set at 1680 * 1050 and 59-60 Hz, but I can not now return everything as before. Resolution 1680 * 1050 is not in the CRU. It is necessary to return the former permission, but I do not know how. Help me please
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02-11-2019, 05:38 PM
Post: #3818
RE: Custom Resolution Utility (CRU)
(02-11-2019 03:29 PM)Nekti Wrote:  I edited the resolution by creating a new resolution through AMD Radeon Settings 19.2.1, but a new custom resolution was created based on 1600 * 900 (main), and I just edited the screen frequency to 75 Hz. And after that the resolution was set at 1680 * 1050 and 59-60 Hz, but I can not now return everything as before. Resolution 1680 * 1050 is not in the CRU. It is necessary to return the former permission, but I do not know how. Help me please
Radeon Settings doesn't affect anything in CRU. Did you do anything in CRU? Running reset-all.exe and rebooting will reset anything done with CRU. Is this a 1600x900 monitor or 1680x1050 monitor? Are you able to delete the custom resolution from Radeon Settings? If you can't get it back to normal, use DDU to completely uninstall AMD's driver: https://www.wagnardsoft.com/display-driv...aller-ddu- That will remove all settings and also anything done with CRU. There should be nothing left after that. Then reinstall AMD's driver.
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02-11-2019, 06:07 PM
Post: #3819
RE: Custom Resolution Utility (CRU)
I have a 1600*900 monitor, I use HDMI to VGA adapter (VGA monitor). I created a custom resolution via Amd radeon in the Display tab. The only thing that changed is the frequency to 75 Hz. After I got 1680*1050 and 59 Hertz. I tried my best to get the old one back, but the monitor image was distorted, as if set to an inaccessible resolution. I 5 times reinstalled the video card driver via DDU, after that, too, did not help. After that, the PC returned to its previous state through such a function in the Windows 10 settings. After the Wipe of all applications (excluding application data), the resolution of 1600*900 was not restored again, and it is by default. Installed AMD driver all the same. Tried through other adapters (DVI-I VGA) resolution is not put on stock. What am I to do?
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02-11-2019, 06:32 PM
Post: #3820
RE: Custom Resolution Utility (CRU)
(02-11-2019 06:07 PM)Nekti Wrote:  I have a 1600*900 monitor, I use HDMI to VGA adapter (VGA monitor). I created a custom resolution via Amd radeon in the Display tab. The only thing that changed is the frequency to 75 Hz. After I got 1680*1050 and 59 Hertz. I tried my best to get the old one back, but the monitor image was distorted, as if set to an inaccessible resolution. I 5 times reinstalled the video card driver via DDU, after that, too, did not help. After that, the PC returned to its previous state through such a function in the Windows 10 settings. After the Wipe of all applications (excluding application data), the resolution of 1600*900 was not restored again, and it is by default. Installed AMD driver all the same. Tried through other adapters (DVI-I VGA) resolution is not put on stock. What am I to do?
If DDU didn't work, then it sounds like something is wrong with the monitor. What resolution does CRU list as the first detailed resolution? If nothing, is the monitor listed as Generic Non-PnP Monitor? That would indicate the monitor is not sending an EDID. If that's the case, try unplugging the monitor's power for a minute and see if that resets it.
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