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Refresh rate forced at 50hz with "Clone screen" on Windows 10

March 21, 2017, 6:44 am
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As the topic says, I've recently connected my 1080p Plasma HDTV to the HDMI2 port of my new Asus Strix 1070, together with my old main 1080p Display.
I've been experiencing some bizarre behaviour with the refresh rate though.

1) If I set mode to "extend desktop", signal is 1080p 60hz on both displays (as it should)
2) If I use each display one at a time, signal is again correctly at 1080p/60hz
3) If I set mode to "clone screen" then signal oddly becomes 1080p 50hz, for whatever reason. I can't change the res/refrate of the secondary display, but I can do it for the main one (I have 60, 59 and 50hz settings) but whatever I put there, the video output remains 50hz.

Now of course I would be glad to find solutions to this small issue (CRU maybe?), but even more than the solution I'd be very happy to learn what are the causes of this strange behaviour.

Thanks for your attention.
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Can't get 3840x2160 on CRU's standard resolution

March 22, 2017, 5:32 pm
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Hi guys,
I have a AOC 4k u2879vf monitor with Intel HD4600 Graphic card. The monitor supports upto 3840x2160 @60phz. However, the intergrated HD4600 won't let me set the refresh rate to 60pHz. The maximum is only 30pHz.

When I use CRU 1.3, there is not 3840x2160 in the standard resolution, and I can't add this resolution to the standard resolution at all. Is there any other way to add this?

FYI, the HDMI cable is 2.0. All hardware is fine. Just not getting 3840x2160 @60pHz.
It's very frustrating.

Thanks a lot!
BTW, this is the EDID info:

Intel® HD Graphics 4600




Report Date: Thursday, March 23, 2017
Report Time [hh:mmConfuseds]: 12:15:23 PM
Driver Version: 20.19.15.4624
Operating System: Windows* 10 Pro (10.0.14393)
Default Language: English (United States)
Physical Memory: 16286 MB
Vendor ID: 8086
Device ID: 0416
Device Revision: 06
Graphics Output Protocol (GOP) Version: 5.0.1032
Current Resolution: 1920 x 1080




Processor: Intel® Core™ i7-4712HQ CPU @ 2.30GHz
Processor Speed: 2295 MHz
Processor Graphics in Use: Intel® HD Graphics 4600
Shader Version: 5.0
OpenGL* Version: 4.3
OpenCL* Version: 1.2


* Microsoft DirectX* *
Runtime Version: 12.0
Hardware-Supported Version: 11.1




* Devices connected to the Graphics Accelerator *


Active Displays: 1
Inactive Displays: 1




* Built-in Display *


Display Type: Digital
DDC2 Protocol: Supported
Gamma: 2.2
Connector Type: Embedded DisplayPort
Device Type: Built-in Display


Maximum Image Size
Horizontal Size: 13.78 inches
Vertical Size: 7.48 inches


Supported Modes
3840 x 2160 (60p Hz)
3840 x 2160 (48p Hz)







* Digital Television *


Display Type: Digital
DDC2 Protocol: Supported
Gamma: 2.2
Connector Type: HDMI
Device Type: Digital Television


Maximum Image Size
Horizontal Size: 24.41 inches
Vertical Size: 13.39 inches


Supported Modes
640 x 480 (60p Hz)
640 x 480 (72p Hz)
640 x 480 (75p Hz)
720 x 480 (60p Hz)
720 x 576 (50p Hz)
800 x 600 (56p Hz)
800 x 600 (60p Hz)
800 x 600 (72p Hz)
800 x 600 (75p Hz)
1024 x 768 (70p Hz)
1024 x 768 (60p Hz)
1024 x 768 (75p Hz)
1280 x 720 (50p Hz)
1280 x 720 (60p Hz)
1280 x 960 (60p Hz)
1280 x 1024 (75p Hz)
1280 x 1024 (60p Hz)
1440 x 900 (60p Hz)
1680 x 1050 (60p Hz)
1920 x 1080 (60p Hz)
1920 x 1080 (50p Hz)
1920 x 1080 (70p Hz)
1920 x 2160 (60p Hz)
3840 x 2160 (25p Hz)
3840 x 2160 (60p Hz)
3840 x 2160 (30p Hz)
3840 x 2160 (65p Hz)
3840 x 2160 (24p Hz)
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Intel pixel clock patcher?

March 25, 2017, 3:42 pm
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In light of the very very long-awaited Intel driver update that enables EDID overrides, I have managed to overclock my laptop's internal display to 100Hz @ 1366x768. Unfortunately, any resolution going over a 120MHz pixel clock refuses to show up, which, as some other people mentioned, might signify some sort of hard limit (some with 1080P panels claim to be limited to 240MHz).

As far as I know my laptop's display uses eDP - I've tried doing some research on its limitations but didn't really find much. 240MHz seems like a reasonable hardware limit but could some inferior (only 120MHz) hardware have been used since I only have a 768P screen? (Probably a silly question but I'm new to this stuff.)

Does anyone know what's really going on here? Is it an impassable hardware limitation or some sort of software/driver one that can be patched away as it's been done for AMD/Nvidia chips?

Edit: Adding some other info that might be relevant -
Laptop is an Asus X550JX, Haswell CPU - Intel HD 4600, a GTX 950M as dedicated GPU. Successfully used CRU to overclock, tried the Nvidia pixel clock patcher and surprisingly and apparently it found all of the limits and patched them - doubt it did anything as I've yet to restart and check.
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Stuttering when using displayport

March 30, 2017, 7:04 pm
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I purchased a 1080 TI FE and when I installed it I noticed they did not have DVI-D ports, it has three displayports and one HDMI 2.0. I am using dual monitors Asus VG248QE and Asus VG278H previously which were hooked up on my 970 through DVI-D at 144Hz and 120Hz. The VG278H does not have a displayport and the 1080 TI came with a single link DP to DVI adapter (single link only capable of 60Hz), so I have one monitor connected through display port at 144Hz and the other with the adapter at 60Hz, This is when the stuttering started.

I get stuttering when launching Mobius that I never got through DVI. I thought maybe I should sync the refresh rate and drop the 144Hz monitor to 60Hz but this did not change the results. I tested hooking up a single monitor and the displayport monitor at 144Hz stuttered but the one using the DP to DVI adapter did not. I then tried using the HDMI port on the monitor that was using the displayport and no stuttering occurred, I even tested HDMI on one and DP the DVI adapter on the other and no stuttering happened. I then thought maybe it is the actual port on the monitor but before purchasing and testing a brand new monitor ill try a new displayport cable but that was not different. I decided whatever ill try a new monitor and i purchased and returned an Acer KG240 that is the same capabilities as my VG248QE, sadly same results. I know these are not 2k or 4k monitors and I have been waiting to upgrade for a few more months but I do not understand what makes displayport stutter when DVI-D at the same resolutions and refresh rate did not.

Here is a video of it - https://youtu.be/0pRP_kkdSiE

Other things I tried.
*Clean install of drivers
*Clean install of windows 10
*Vsync on/off
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Samsung U28E590D Freesync range

April 8, 2017, 11:49 am
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I have been having a hard time trying to figure out the real Freesync range of this monitor, for like a month now. I'm on Windows 10 64bit, AMD 16.12.2 driver, with RX 480, and monitor driver installed. I also tested it under Windows 7 with old and new drivers, same results.

All of the reviews I have read before purchasing state that the range is 40-60 or at least 45-60.
AMD lists it having 40-60 range: AMD Official Freesync Monitors
A few others are reporting the same problem by the way.

What actually happens is, if I turn OFF Freesync in the monitor's OSD, I got the default maximum refresh rate of 60hz. With Freesync ON, maximum refresh rate becomes 64! And the FS range is actually 54-64! (Reported under Radeon Settings, and tested to be the case).

I tried many times to modify the range of Freesync using CRU, and everytime I do so and test it with games or AMD/Nvidia apps, the monitor will eventually turns white or green after a random amount of time (sometimes 10min, others up to 1 or 2 hours), What's interesting is that Freesync actually works in the range I specify (tried up to the 40-64 range).


Here's all the details that might be useful in diagnosis:

- Part of the manual that lists all of the panel specs (Keep in mind that FS is only working with Displayport):
U28E590D Manual


- Default timings and frequencies detected by CRU:
[Image: Ze9cSMr.jpg]
[Image: MgHEDIb.jpg]
[Image: B36G3zO.jpg]


Is the Freesync range of this monitor really is 54-64?! Or am I doing something wrong?
Thanks in advance.
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Catleap/QNIX/Tempest/X-Star monitor .inf files

April 16, 2017, 5:00 pm
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These monitor .inf files are required for some games to recognize higher refresh rates when adding custom resolutions using the NVIDIA control panel. They are not required when using CRU or with AMD, but they can be installed anyway to change the monitor name listed in Device Manager. The files can also be edited with Notepad to set whatever name you want.

Catleap Q270: catleap.zip
QNIX QX2710: qnix.zip
Tempest X270OC: tempest.zip
X-Star DP2710: x-star.zip

The .inf files are not digitally signed and can only be installed with driver signature enforcement disabled: Start menu > Settings (cogwheel icon) > Update & security > Recovery (on the left) > Restart now (on the right under "Advanced startup") > Troubleshoot > Advanced options > Startup Settings > Restart > Press 7

Install using Device Manager: Monitors > Right-click "Generic PnP Monitor" > Update driver > Browse my computer for driver software > Let me pick from a list of available drivers on my computer > Have Disk... > Browse for the .inf file > OK > Next > Install this driver software anyway

After installing, restart to enable driver signature enforcement again.
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CRU + NVIDIA + cable HDMI 75hz

April 17, 2017, 2:13 pm
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I used the CRU program many years with AMD cards using an HDMI cable always, the main resolution 1920x1080 - 75 Hz and custom resolutions 800x600 - 1024x768 - 1280x720 - 1280x960 - 1280x1024 - 1440x900 - 1600x900 all 75 hz always

Now I switched to a GTX 1060, and when I set up the same way the CRU recognizes as 1600x900 the main resolution, and does not recognize the 1920x1080 fullhd resolution anymore.

Can someone tell me what the solution is?

I would like to use 1920x1080 75hz again with my custom resolutions all 75hz as I have always used with AMD cards

NVIDIA 1060 I can not anymore.
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XL2430T settings

April 23, 2017, 5:36 am
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Sorry to be a pain, but ive been reading around for a while now but im struggling to grasp exactly what to do. I just want to run it at 120hz at 1920x1080 smoothly and not have the colours looking washed out and too dark. But the whole custom resolution and playing with the strobing is throwing me off. I'd really appreciate any help but again, sorry to be a pain
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Custom Resolution for LG monitor

April 25, 2017, 7:53 am
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I am trying to find the correct custom resolution for my LG 4k monitor. I a using a AMD m6000 video card. Was working at 3840x2160 but had to reload windows and lost the settings. I tried serval settings but I get a screen that is to large (no task bar) and fuzzy. I confirmed that in windows display the setting for enlarging text/apps is set at 100%.

Suggestions please
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hdmi pixel clock out of range

April 25, 2017, 3:10 pm
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I currently have an Asus VZ239H monitor connected thru hdmi and I am getting out of range.

I am trying to get 1920x1080 at 72hz, which shows up as 167.29mhz on CRU. I have the pixel clock patch so shouldn't my max now be 350mhz? Is my monitor just not capable?

Also is there a pixel clock fix for using my intel igpu instead of my discrete nvidia card?
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New PG278QR getting 143HZ instead of 140Hz Why? Please help

May 11, 2017, 2:01 am
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hello community

i had an ASUS PG278Q, everything was fine but i have some ghosting and asus give me back my money, now i bought the new PG278QR, and in all games i get a maximum of 143hz or 119hz and so on, in window mode the refresh rate is 144hz, so my question is, how do i solve this....i can tell you that im an advanced user, i have my nvcp configured to work with my GTX980M, i have a Clevo P771DMG with an i7 6700k and 32 of ram
thank you in advance
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Custom Resolution Utility.

May 17, 2017, 12:50 am
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Just so you know im not smart with computers and ive been having this problem for awhile. so i have the custom resolution utility right? im using a computer which idk much about the specs. i customize my computer so that in the display settings it would allow me to pick a higher resolution than 1366x768 (reccomended). like i could go up to 1680x1050 and such. but the problem is i was plugged into my wacom tablet. so when i unplugged my tablet from the computer, the computer goes back to 1366x768. idk what im doing wrong and i dont understand computers that well but i want to fix this so i can move on to my digi art. does ANYONE have any idea how to make it so that 1680x1050 is an option in my display settings regardless if i unplug my tablet from the computer or not?! because i am tired of my art looking stretched out to other people when i send them in my deviantart! i would really appreciate it!!!:Angel
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Windows 10 Bluriness

May 30, 2017, 12:17 pm
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hello guys

i had windows 7 till last week.
in the weekend i installed windows 10 and now everything on my desktop is a bit blurry. i tryed diferent drivers, diferent dpi, but nothing works...
in games everything is fine but as soon as ii go to my desktop my eyes start crying Sad

please help me
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Troubleshooting guidance

June 5, 2017, 11:43 pm
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I am trying to force 1080p at 120Hz on my 2015 Sony KDL-50W800C LCD TV. GPU is an Nvidia 1080ti. My PC is connected directly to the TV via an 18 Gbps HDMI cable; audio is through a Denon AVR-S710W Receiver via HDMI ARC (also a high speed cable).

I tried creating a custom resolution in the Nvidia control panel; the "automatic" and "CVT - reduced blank" timing standards result in a readable display but there are significant artifacts -- thin horizontal lines scrolling across the screen and flickering rainbow horizontal lines at the top of the image. Also, there was frame skipping.

Googling around lead me to this image of "some guy's" timing settings -- when I input those settings it removed the graphical distortions but the overall display became mildly blurry. There was still frame skipping. Timing settings copied here in case the image link goes down:

Code:
Front Porch:   44       1
Sync Width:    22       1
Total Pixels:  2006     1083
Polarity:      +        +

I subsequently tried the CRU. The native and automatic LCD (standard/native/reduced) timing settings all had the same artifacts at 1080p 120Hz--and there was frame skipping.

At some point during this process the Nvidia control panel listed a 1920x1080 option under the "PC" section--and it was 120Hz by default! It worked, including audio, and no frame skipping, and I played Doom 2016 and Warframe at 120Hz briefly. Desktop fonts were mildly blurry but the games were fine. Now, for whatever reason, after rebooting, that setting is no longer listed in the Nvidia control panel.

This all seems like a timing issue and that if I knew the correct settings I could get this to work. How do I go about troubleshooting this? How do I recreate that 1080p @120Hz "PC" resolution that the Nvidia control panel had?

Thank you!
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120 hz HDMI

June 7, 2017, 11:31 am
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Hello,

I have purchased an Acer predator gn246hlbbid 144hz monitor. I'd like to use it with my Lenovo ideapad 700 laptop which only has HDMI port. I can't choose 120hz in the intel graphic driver settings and I was trying to use CRU with no luck. I have done testing with an other 144hz monitor in a store and after plugging it in it displayed the option for 120hz and worked without any exta steps straight away. That was with a basic HDMI cable. I have tried 2 cables and they are the same now I cannot set 120hz what so ever.
Please help me to solve this somehow as I'm on a budget and purchased this display just to achieve 120hz.Sad
My monitor setting menu shows 1920 x 1080 H:132 KHZ V120 HZ as video output but at HDMI input it shows 68 KHZ 60HZ.

Thank you in advance,
KLZ the struggling man
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Doubt about the CRU

June 11, 2017, 1:46 pm
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Can this be a problem with my monitor due to long time using the CRU? 3 years.

It happened once so far. I do not use overclocking gpu cpu. Monitor only for 75 hertz HDMI cable. Gtx 1060 6gb. Version CRU 1.3

[Image: ky78uKR.jpg]
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QNIX 2710 stock EDID

June 11, 2017, 6:34 pm
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Anyone have a stock EDID for this monitor? I got rid of mine a long time ago (it had an incorrect checksum).
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Need help, i think i got the wrong cables! monitor

June 11, 2017, 8:32 pm
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First off hello everyone, i'm Yuriy a guy from Venezuela country and yeah we are under a tyranny, but that not the case here, heheh

The thing is. it seems that i got the wrong cables from my monitor or maybe i never payed attention and i end up mixing the cables, o picking the wrong cables

This is what i got:
Monitor T200 Syncmaster 2ms,
Nvidia CARD: EVGA GTX 580

This is my monitor Back-Panel conector: DVI-D DUAL LINK (24 pin)
[Image: 4sBzH3GxQGCtc45yyo5M9Q.jpeg]

This is my dvi cable monitor: DVi-D SINGLE LINK (18 pin)
[Image: -27e_oNBRV6R0ftYl1vj3w.jpeg]

Lastly but not least, these are the display ports of my GTX 580: DVI-I Dual 24
[Image: WsuINNMkTPehqv9JBS8IIw.jpeg]


Now according to this PICTURE, i have the wrong cable Sad thats why i never was able to reach to better overclocking in hertz, and maybe... low monitor responsiveness right?
[Image: b4g2ZX9jS-qRPcXluorivA.jpeg]



It seems that i need to buy a DVI cable that is built in DVI-D Dual and DVI-I dual ? does that cables exist?
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Capture card can't Capture newer AMD drivers HDMI signal.

June 13, 2017, 9:27 am
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I figured I'd ask you guys since AMD hasn't been much help.

After Crimson Edition 16.9.2 the HDMI signal can't be captured on my Avermedia LGP, the pass-through works fine though. I could get it to work occasionally by flicking GPU Scaling on and off, but now it just doesn't see the signal. The video card is an ASUS RX 480 8gb STRIX.

Any ideas of a fix? Display port to HDMI might work but I don't have one currently. Rolling back the driver fixes the issue, but I'd like to keep them up to date.

Sorry if this isn't the place for this kind of question.

EDIT: Figured out its an HDCP issue, guess they added it with ReLive, ordered an HDMI HDCP Splitter that should strip it :/ . Figured it out by using a Modded version of RECentral that bypasses it, but doesn't fix the issue with OBS unfortunately.
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Please Help All Master on this forum

June 13, 2017, 11:25 pm
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I have a notebook msi ge62vr 6rf with gtx 1060 graphic card so I want to play 4k on my tv samsung 40KU6000, I know my graphic card can't play smooth on 4k so I decided to upscale my resolution using cru, now the problem is everytime I want to play on my custom resolution 3200x1800 the colour of screen look so weird

[Image: 20170614_130031.jpg]

my tv has a 3 hdmi port
1 hdmi/dvi 4k 60p
1 hdmi 4k 30p
1 hdmi 4k 30p

the problem always appear when I'm using 1 hdmi/dvi 4k 60p port, the other hdmi port no problem with my custom resolution, I'm using first hdmi port because its support HDR, please help master

I have buy 3 different hdmi cable because I think the problem was the hdmi cable version,but it didn't workSad
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