Monitor Tests Forum

Full Version: Custom Resolution Utility (CRU)
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Thank you for sharing this amazing tool! I managed to increase my monitor's freesync range to 57-144Hz.

I am experiencing a bug when I wake up my monitors from stand-by. The taskbar switches to my 2nd monitor and the only way to fix this is by restarting my PC. Any idea what could be going on?
Hello Everybody Smile

i am running out of order and want to ask for your help...

I have a GTX1070 and my primary display is a 4K Dell monitor with HDR and 60 Hz.

I want to mirrow this monitor to my 2 TVs (Sony XD85 and XG85).
Booth are 4K Displays with 10 bit and full HDR functionality.
The got regonized by my Windows 10 but not with 10 bpc and not with HDR.
I already used MonINFO to read out the displays and create a .INF to install it as display driver, but it didn't help...

In Nvidia Control Panel i just see this:
Desktop color depth: Highest (32-bit)
Output color depth: 8 bpc
Output color format: YCbCr420
Output dynamic range: Limited

How can i get this to work, to get there 10 pbc and RGB or YCbCr440 or 444 color format and full dynamic range?

i tried already CRU but really don't know whats the problem cause if i select the Sony display and go to extension blocks i see the CEA-861 and if i "edit" this one, i see HDMI Support and there is 4:4:4 and 10 bpc and 12 bpc enabled. also HDMI 2.0 is 10 and 12 bpc enabled....

so i really don't know why this is not working :/

Did i miss something? can anyone help me out with that?
Is this possible with the CRU Tool or do i need something else for this?
Hello. Thank you for this amazing tool.

I could enable Freesync with default AMD driver from my laptop's manufacturer (Acer) but if I updated my driver to the latest AMD driver from AMD site, the Freesync is not supported. What do I need to do to enable it?
Before I begin my question, I must thank you wholeheartedly for your time and effort that you spent behind this Big Grin

I am using the HP ProBook 450 G3, 17" 1366x768 TN, i5-6200u, Intel HD Graphics 520 + AMD Radeon R7 M340 variant. I have managed to overclock it to 79 Hz successfully, but as soon as I cross this threshold, the monitor produces a tad flickering and very distorted and discoloured image (although the refresh rate seems to increase). I tried using the reduced LCD option too, but to no avail Sad... Does this mean that I've kinda hit the limit my display can handle? If not, could you please beacon me to what I should do to further push the frames?

And once again, thanks for supporting this for 7 years!
New to the forum. I am 68 years old and in the early stage of Alzheimers's. I have read the instructions several times and cannot retain the information to be able to ues the software. I have a Intel NUC dn2820FYK connetced to a Panasonic plasmat tv. The tv has no over scan settings so the screen is either too large or too small. Is there a video tutorial on how to use CRU? Youtube has some on overclocking monitors but none on setting custom resolutions. I know it can be done. When I first bought the NUC I found a app that let me set a custom resolution via a GUI. It had a box that represented my monitor and a red outline that you could drag to set the screen resolution. It worked fine. but I can't remember what it was called and can't follow your directions for CRU.
(12-06-2019 10:08 PM)sumdumgui Wrote: [ -> ]New to the forum. I am 68 years old and in the early stage of Alzheimers's. I have read the instructions several times and cannot retain the information to be able to ues the software. I have a Intel NUC dn2820FYK connetced to a Panasonic plasmat tv. The tv has no over scan settings so the screen is either too large or too small. Is there a video tutorial on how to use CRU? Youtube has some on overclocking monitors but none on setting custom resolutions. I know it can be done. When I first bought the NUC I found a app that let me set a custom resolution via a GUI. It had a box that represented my monitor and a red outline that you could drag to set the screen resolution. It worked fine. but I can't remember what it was called and can't follow your directions for CRU.
Overclocking is the same as setting custom resolutions. CRU doesn't deal with overscan. There should be an option in the Intel graphics control panel somewhere to compensate for overscan.
(12-05-2019 07:31 PM)Medfool Wrote: [ -> ]I am experiencing a bug when I wake up my monitors from stand-by. The taskbar switches to my 2nd monitor and the only way to fix this is by restarting my PC. Any idea what could be going on?
Try running restart.exe and choose recovery mode. That will also reset the Windows screen resolution settings. Then restart the driver and see if it sticks.
(12-05-2019 11:24 PM)ciscospirit Wrote: [ -> ]In Nvidia Control Panel i just see this:
Desktop color depth: Highest (32-bit)
Output color depth: 8 bpc
Output color format: YCbCr420
Output dynamic range: Limited

How can i get this to work, to get there 10 pbc and RGB or YCbCr440 or 444 color format and full dynamic range?
Well the first problem I see is the color format should not be YCbCr 4:2:0 at 8 bpc unless it's running in HDMI 1.4 mode instead of HDMI 2.0. Some TVs have an option that you have to enable to get HDMI 2.0 and deep color, but if CRU already shows an HDMI 2.0 data block, then I don't know.
(12-06-2019 03:28 PM)DethCubeLord Wrote: [ -> ]I am using the HP ProBook 450 G3, 17" 1366x768 TN, i5-6200u, Intel HD Graphics 520 + AMD Radeon R7 M340 variant. I have managed to overclock it to 79 Hz successfully, but as soon as I cross this threshold, the monitor produces a tad flickering and very distorted and discoloured image (although the refresh rate seems to increase). I tried using the reduced LCD option too, but to no avail Sad... Does this mean that I've kinda hit the limit my display can handle? If not, could you please beacon me to what I should do to further push the frames?
Sometimes decreasing the blanking/totals will allow you to squeeze in a few more Hz, but laptop screens are usually not picky about timing parameters, so you might be hitting some other hardware limitation.
(12-06-2019 03:33 AM)Primordiarch Wrote: [ -> ]I could enable Freesync with default AMD driver from my laptop's manufacturer (Acer) but if I updated my driver to the latest AMD driver from AMD site, the Freesync is not supported. What do I need to do to enable it?
CRU is not meant for adding FreeSync to non-FreeSync displays. FreeSync could theoretically work with a laptop screen, but the driver would have to allow it.
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