Monitor Tests Forum

Full Version: Custom Resolution Utility (CRU)
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Hi! I have a question for the developer of CRU. I have a 60hz monitor than can go up to 75hz when using freesync. Thanks to Nvidia's latest driver and me buying a displayport cable now I can use my monitor at 75hz(and I managed to OC it to 81 from nvidia control panel). I heard that your program can overclock freesync, but when I opened it CRU says that my monitor is only 60hz. That makes sense I guess, but I wanted to ask if you can create an upgrade for CRU that fixes this issue. My monitor is LG 29um68-p. I am sorry if you have been hearing a ton of these questions recently and I'm sorry if this "issue" is not really an issue and I can just overclock the monitor anyway.
(01-26-2019 12:26 AM)Dimitar Belchev Wrote: [ -> ]Hi! I have a question for the developer of CRU. I have a 60hz monitor than can go up to 75hz when using freesync. Thanks to Nvidia's latest driver and me buying a displayport cable now I can use my monitor at 75hz(and I managed to OC it to 81 from nvidia control panel). I heard that your program can overclock freesync, but when I opened it CRU says that my monitor is only 60hz. That makes sense I guess, but I wanted to ask if you can create an upgrade for CRU that fixes this issue. My monitor is LG 29um68-p. I am sorry if you have been hearing a ton of these questions recently and I'm sorry if this "issue" is not really an issue and I can just overclock the monitor anyway.
CRU shows what the monitor reports. If the monitor supports 75 Hz with FreeSync, it should be in the extension block.
(01-24-2019 06:05 PM)ToastyX Wrote: [ -> ]The RGB range is controlled by the driver. There is nothing in the EDID that defines the RGB range. The guide says to use LCD reduced, not LCD native. That will use a different timing standard so the driver treats it as a PC resolution. Make sure to delete the TV resolutions in the extension block as well. The other option is to delete the extension block entirely so it's treated as DVI, but then you will lose audio.

Thanks for the reply.

i used reset-all to reset all the settings:
img1

I edited the detailed resolution 1920x1080 whit the "Automatic - LCD reduced" preset
img2 e img3

I deleted the extension block (i don't need audio output)
img4

I clicked OK and restaredt Windows

this is the settings panel nvidia
img5

if i use displaycall for calibrate the monitor he says:
Detected limited range output levels
Using TV encoding range of (16-235)/255

means that the Rgb output is set to limitedRGB.

should i also delete the standard resolutions and the established resolutions? Or add a new 1920x1080 standard resolution?
(01-29-2019 08:31 PM)bilanciamist Wrote: [ -> ]if i use displaycall for calibrate the monitor he says:
Detected limited range output levels
Using TV encoding range of (16-235)/255

means that the Rgb output is set to limitedRGB.
If you deleted the extension block and the monitor is detected as DVI, then the video card is sending full range RGB for sure. The problem might be that the monitor is expecting limited range RGB with HDMI, so it ends up clipping the full range.
I believe you're right.
Maybe is a false positive but i can get fullrgb (whit displaycall) only if i turn on LG "smart energy saving".

I try to calibrate the monitor with this option on.

thanks for your patience
Hi, I am new around here. I have an LG monitor and the model is Flatron E2250 (id:gsm578e). I am using HDMI. I'll be straight, I need full settings for CRU. My goal is getting 85hz on 1920x1080. I don't know if it helps but my gpu is RX 480 and the driver is AMD Crimson 19.1.2. Much appreciated.
Also newish to CRU. I have a 4k monitor that I can get to output 71Hz (stable) using the Adrenaline custom resolution/refresh rate tool. But when I manually enter the settings that work there, in the CRU 'detailed resolutions' window and reset the driver, the monitor refuses to output anything. Choosing "Automatic - LCD reduced" icw 3840x2160@70 or 71Hz doesn't work either.
Anyone have a clue what may be causing that, and/or what I can do to work around it?
Ok, so following my inability to add audio to my cibox monitor i some how messed up my gpu driver..
Then i reinstalled it, but didnt remember to use the pixel patcher. so my display was garbled on my samsung monitor. (i then reverted that to a defaultresolution)

Now i remembered i had pixel patcher before so i reinstalled it. but i cannot get my samsung as450 synkmaster back to 1900x1200 @75 herts..
I did have it working perfectly before even did all those monitor tests like the ufo one and stuff to verify...
but i just cannot get it to work now.

I think what i did the 1st time was (but its not working now. so im probably not remembering properly)

i used the nvidia custom resolution tool.
Changed the timings to cvt reduced blanking
then changed the polarity of the horizontal from either + to - or - to +

But now it wont work..

Kind of annoying. (i probably should have saved the thing, but i didnt expect to mess up the drivers)

Any help on making this work?
Some games just crashing when i set higher monitor freq
Why!?
Could it be cause i resetted non x64 ?
And what difference between them?
(02-01-2019 06:28 PM)Serrveladik Wrote: [ -> ]Some games just crashing when i set higher monitor freq
Why!?
Could it be cause i resetted non x64 ?
And what difference between them?
Games shouldn't crash unless there's a hardware problem or driver bug. Restart.exe automatically calls Restart64.exe on a 64-bit system, so that doesn't matter.
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