How to output 2560x1440 resolution from Dell T3420 using on-board Intel HD Graphics 530

Oct 19, 1999
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1
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#1
I have a U2711 monitor which supports 2560x1440, but I have not been able to output this resolution with the following connections -

HDMI (PC) - HDMI (monitor) - max is 1920x1080
Display Port (PC) -> DVI converter - DVI (monitor) (I am using only DP port on monitor for another setup) - max is 1680x1050

Is my only option DP to DP?
 

ZGR

Golden Member
Oct 26, 2012
1,824
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#2

postmortemIA

Diamond Member
Jul 11, 2006
7,699
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#3
U2711 is notorious for not supporting 1440p over HDMI. You'll have to use either dual link DVI cable or DP.
 
Oct 19, 1999
92
1
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#4
Interesting that it's my monitor that has the limitation. Didn't even think that this could be the problem. Is this limitation mentioned in the spec somewhere?

I ended up buying an external video card (GT 1030) with DVI to solve the issue.
 

postmortemIA

Diamond Member
Jul 11, 2006
7,699
5
91
#5
Straight from the manual (yes, it is still on Dell's support site)
Setting the Maximum Resolution
1.Right-click on the desktop and select Properties. 2.Select the Settings tab. 3.Set the screen resolution to 2560 x 1440 (DVI and DisplayPort) or 2048 x 1152 (VGA) or 1080p (HDMI, Component). 4.Click OK.
 

Stuka87

Diamond Member
Dec 10, 2010
4,165
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#6
The HDMI version on that display is 1.1 as I recall. It has a max resolution of 1920x1080 or 1920x1200 (depending if its 16:9 or 16:10). I have Dell U2412M's that are also 1.1, they just happen to be 1920x1200 so I don't have the issue you do.
 
Oct 19, 1999
92
1
71
#7
Just popped in the Nvidia GT 1030 and my max resolution with DVI is 1680x1050 (updated to latest driver). My previous PC had a Radeon R7770 and had an output display of 2560x1440 using the same DVI cable and monitor. Any ideas?
 
Oct 19, 1999
92
1
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#8
Final update. I was able to create a custom resolution with the GT 1030 to output 2560x1440 using HDMI.
 

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