Rockliffe

Can't run at 2560x1600 resolution

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I have been running with my Dell 30" ultrasharp at a native resolution of 2560x1600 for the past five years. Both with a GTX 770 and then more recentl;y a GTX1070. I have, only today, installed a GTX 1080ti in preparation of a rebuild around a 4K monitor. Up until now I have used a DVI cable but with the advent of the 1080ti it offers 4 ports, two of which are HDMI. After replacing the original DVI cable with a new HDMI cable, I now find I can't run the monitor at it's native resolution of 2560x1600!!!! When I go into display properties of the control panel in Windows, it's maximum resolution is shown is 1920x1200! I have downloaded and reinstalled two different drivers, with no successful conclusion. Can anyone offer any advice with this, as it has got me completely stumped.

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Not all HDMI cables are created equal.  Of the four types, what is yours?  Should clearly say on the cable.

Greg

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31 minutes ago, lownslo said:

Not all HDMI cables are created equal.  Of the four types, what is yours?  Should clearly say on the cable.

Greg

Ah.... unsure, I just ordered an HDMI cable off Amazon. In fairness to me, I would have thought it logical that a digital cable was exactly that, a cable capable of delivering digital information! Oh well, that sounds like the problem. To cover my back I've just ordered an HDMI to DVI converter, so I should be able to run it through the original cable.

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4 hours ago, lownslo said:

Not all HDMI cables are created equal.  Of the four types, what is yours?  Should clearly say on the cable.

Greg

It seems the HDMI cable I ordered delivers speeds up to 4K, so unsure what the issue is. This is the description... High-Speed HDMI 2.0 Cable - Supports Ethernet, 3D, Audio Return

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it's got to be a very good analogue cable because it carries a very complicated combination of analogue signals in phase quadrature. The hdmi signals are similar in rendering to jpg images in that the signal only carries a code containing a subset of colours, and also resolves poor data integrity as gradual losses to colour and detail. Often replacing any old hdmi cable with a decent new cable alone makes the picture sharper and more colourful. I think DVI and Display Port can carry full colour and higher resolutions.

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9 hours ago, SteveW said:

it's got to be a very good analogue cable because it carries a very complicated combination of analogue signals in phase quadrature. The hdmi signals are similar in rendering to jpg images in that the signal only carries a code containing a subset of colours, and also resolves poor data integrity as gradual losses to colour and detail. Often replacing any old hdmi cable with a decent new cable alone makes the picture sharper and more colourful. I think DVI and Display Port can carry full colour and higher resolutions.

Thanks for the explanation Steve. I am returning to my original DVI cable after ordering a high quality HDMI to DVI converter. Cheers.

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