I connected an Asus N56DY to display Dell U2515H via an HDMI 1.4 cable. The highest available resolution is 2048x1152 if I use Windows, but on Linux 2560x1440 is available. I completely removed drivers and installed the newest ones.

How can I make 2560x1440 available under Windows?


That is interesting as the Dell U2515H's native resolution is 2560 x 1440 @ 60Hz, neither of which you are/have used.

You may have to build a custom resolution profile within the ATI control panel. If you haven't already I would suggest downloading the full drivers from the ATI website, not the ASUS support site. There is an Auto-detect Tool for this.

  • 2460x1440 is typos i correct it. Sure i get drivers from AMD. By the way site ASUS not provide drivers for video. – ComBin Jun 5 '16 at 21:11

I found out that AMD/ATI drivers have pixel clock limit for single-link DVI and HDMI cabels. And i found patch for removing this limit: http://www.monitortests.com/forum/Thread-AMD-ATI-Pixel-Clock-Patcher. For me works fine.

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