How to enable 2560x1440 resolution on integrated graphics?

Motherboard GIGABYTE GA-A75-D3H
Monitor Dell UltraSharp U2715H
Cable DVI BURO HDMI19 (m) - DVI-D(m) in the review write that the resolution is more than FullHD works, that is Dual Link cable still
Windows 7х64, drivers video chipset, etc. — with of.site motherboard.
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In the BIOS forcibly included Onboard Dual Link DVI, but the resolution is higher 2048х1152 does not work.
In the settings AMD scaling options are unavailable, they are superb and the image is stretched to full display resolution. Search of parameters of scaling and ITC nothing.

You must either remove the scaling so that the image was not full screen but fresh. Ideally, of course, include the full 2560x1440.
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UPD1: setting UPnP monitor driver & utilities, DELL Display Manager yielded nothing.
July 2nd 19 at 13:48
1 answer
July 2nd 19 at 13:50
Solution
2048 × 1536 is the limit for 75Hz DVI-DL. If you have the highest possible frequency (75Hz), the higher the resolution you will not be able to.
To 2560x1440 we still forced to set 60Hz.

Yeah, I looked up your link to the monitor. Quote: "Optimal resolution: 2560 x of 1440 at 60 Hz"
in the picture above "BOM" written. I looked. I have everywhere 60 Hz is. and 75 by the way is not even - Trudie_Kunze73 commented on July 2nd 19 at 13:53
Yeah.. doesn't the driver on the monitor is also installed? He has the driver (www.dell.com/support/home/ru/ru/rubsdt1/product-su...
And if that's not it, it makes sense to look for problems in the cable. Convert DVI-HDMI19.. may be nuances. - mattie_Greenfelder65 commented on July 2nd 19 at 13:56
: DDM is a utility set. And the driver says not suitable under this system, even if manually set. - Trudie_Kunze73 commented on July 2nd 19 at 13:59
: DDM, that's understandable, just interested in Monitor with LED Driver. And what of the system. Reference is made to Win10 (this is a problem with her videoreklamy there) - mattie_Greenfelder65 commented on July 2nd 19 at 14:02
: Vinda 7х64, drivers video chipset, etc. — with of.site motherboard.

I'll try to put vin10. - Trudie_Kunze73 commented on July 2nd 19 at 14:05

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