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scaistar
Journeyman III

Red Noise on HD 6770 Direct CU at max resolution 2560x1440

Hi to all. Just now upgraded my monitor with a new BenQ GW2765HE.

I choose this monitor because i have a i7-2700K 3.5Ghz with AMD Radeon HD 6770 DIRETCU and read that maximum resolution supported is  "DVI Max Resolution : 2560x1600"

The problem is that when select monitor max resolution 2560x1440@60 red noise entire screen appair while at 1920x1080 it work correctly (but it's a pain for eyes after some minutes).

Please see attached picture.

i used DVI cable.

Please help me to find a solutionIMG_20181005_173348.jpg

Here specs from Catalyst

Produttore scheda grafica - Powered by AMD

Chipset grafico - AMD Radeon HD 6700 Series

ID dispositivo - 68BA

ID fornitore - 1002

ID sottosistema - 040B

ID venditore sottosistema - 1043

ID revisione - 00

Tipo di bus - PCI Express 2.0

Impostazioni correnti del bus - PCI Express 2.0 x16

Versione BIOS - 012.020.000.050

Numero di serie BIOS - 113-AD15100-101

Data BIOS - 2011/06/07 04:22

Capacità della memoria - 1024 MB

Tipo di memoria - HyperMemory

Clock memoria - 1000 MHz

Clock principale - 850 MHz

Larghezza di banda totale della memoria - Not Available

Percorso file del driver 2D - /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000

Versione software Radeon - 16.2.1

Edizione software Radeon - Crimson

Chipset grafico - AMD Radeon HD 6700 Series

Capacità della memoria - 1024 MB

Tipo di memoria - HyperMemory

Clock principale - 850 MHz

Versione Windows - Windows 7 (Service Pack 1)

Memoria di sistema - 8 GB

Tipo di CPU - Intel(R) Core(TM) i7-2700K CPU @ 3.50GHz

Versione impostazioni di Radeon - 2016.0226.1531.27895

Versione del pacchetto di driver - 15.301.1901-160226a-318064E

Fornitore - Advanced Micro Devices, Inc.

Versione driver 2D - 8.1.1.1533

Direct3D® Version - 9.14.10.1171

OpenGL® Version - 6.14.10.13417

OpenCL™ Version - 2.0.4.0

Versione AMD Mantle - 9.1.10.99

Versione API AMD Mantle - Not Available

Versione del driver audio AMD - 7.12.0.7723

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scaistar
Journeyman III

Re: Red Noise on HD 6770 Direct CU at max resolution 2560x1440

solved.

I used an HDMI cable, but resolution max was 1920x1080.

Googled and found AMD pixel clock patcher and Custom Resolution Utility 1.4.1

Finally have a perfect 2560x1440@60 on my BenQ GW2765

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