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Topic Summary

Posted by: Steve Burton
« on: June 17, 2014, 20:54:09 »

Firstly may I thank you for writing such an excellent and comprehensive article. This really helped me to resolve the problem. Much communication with the help desks of Toshiba, Samsung and Intel failed to resolve the resolution problem but your article did so again thank you.
To the specifics:
I have a Toshiba Portege Z930 laptop running Windows 7 professional.
I have this linked to a Toshiba tower dock (which I have to say I am very disappointed with).
I purchased a new Samsung S27B970D ultrahigh definition LED monitor with a native resolution of 2560x1440.
I was completely unable to get the remote monitor to work at this resolution. It would not go beyond the native resolution for the laptop of 1920 x 1200.
After reading your article I found it impossible to increase the resolution until I bypassed the Toshiba dock and took the HDMI cable straight from the monitor to the laptop computer.
I was then able to achieve a resolution of 2560 x 1440 at 55 Hz.
I also discovered that I needed to change the refresh rate to 55 Hz in the summary Intel graphics and media control panel.
As you suggested I also adjusted the timing standard to CVT-RB.
Photographs and YouTube videos look fantastic
Posted by: markbeau
« on: May 30, 2014, 19:36:28 »

Very helpful! Following guidance for 'Intel Iris Pro 5200 (Haswell) / new Intel driver interface", my Yoga Pro 2, Window 8.1 connected via HDMI to a ViewSonic VP2770-LED is now running at 2560x1440 at 55hz. Stable and clean. Thanks so much.
Posted by: Receptor
« on: May 09, 2014, 21:16:36 »

"Great thread!  Thanks for posting all this useful information!" --- THIS!!! Also very usefull for 4K MST -)
Posted by: Yoon
« on: April 15, 2014, 15:19:36 »

Great thread!  Thanks for posting all this useful information!

Has anyone been able to get upto the full 2560x1600 resolution?  I've been playing with all the settings but keep getting the error that my monitor doesn't support that resolution...
Posted by: Yooner
« on: April 12, 2014, 13:34:28 »

Thanks for the tips!  I've been searching everywhere trying to figure this out...

The instructions for "Nvidia GeForce graphics card without Optimus" also worked on my Lenovo T420 (Nvidia NVS 4200M) with the Seiki 39" UltraHD 4K2K LED TV (SE39UY04).
Posted by: BertM
« on: April 09, 2014, 16:12:44 »

Another success story:
Philips 272C4QPJKAB/00 (2560x1440) on Acer laptop with optimus HD3000 & Geforce 540M via HDMI.
Works at 55Hz.

I also tried 56Hz, the videocard does not complain (57Hz and higher give the "bandwith" error) but then the monitor doesn't give a picture.
Posted by: Klapka
« on: March 26, 2014, 13:38:59 »

Hello everybody,
I'm new to this forum, just wanted to ask, I've bought recently DELL U2713HM, and now trying to connect it to newly bought SONY VAIO FLIP 15A over HDMI (no other option on the NB). I have a 1.4 highspeed ethernet HDMI cable, but via custom resolution I'm able to achieve just 40Hz with 2560x1440, CVT-RB, non interlaced. Over 40Hz display warns unsupported mode and doesn't show the signal. Does anyone managed to connect to DELL U2713HM over HDMI 2560x1440 with higher frequency? How?

Thanks for any hint or tip...

Posted by: me
« on: March 04, 2014, 13:25:20 »

Excellent article, helps me to solve my problems with Windows 7 and Asus PB278Q.
Posted by: my
« on: February 28, 2014, 17:26:39 »

Very good article!
I am able to use 2560x1440@55Hz via HDMI from my Gigabyte U2442N (HD4000 & Nvidia GeForce GT 640M working toghther via Optimus) to a Dell 2713H.
Very good picture with no flickering and even the pivot mode works fine. :-)
Posted by: Andrey
« on: February 25, 2014, 18:53:32 »

Thanks a lot! Viewsonic VP2770 (2560*1440) connected to Asus N73SV (HD3000) through the HDMI cable works fine.
Posted by: Simon Bensley
« on: January 28, 2014, 22:20:35 »

i Need help please !!!
the Resolution won't work with my mac book air 3rd Generation.
i testet diferent Kind of things but it won't work with my sony kdl65x9005.
the tv says that the Resolution is noch supported.
i teste 25hz, 30 hz, 50hz, 55hz.
Posted by: tyler1112222
« on: January 11, 2014, 09:07:18 »

Can you connect a Dell XPS 12 to 2 monitors at 2560*1440 (it only has 1 minidisplay port) but can I use a usb 3.0 adapter?
Posted by: elbaid
« on: January 10, 2014, 01:08:51 »

doesn't work for me using a good quality cable to micro-hdmi via adapter in a Yoga 2 Pro. The external monitor is detected, but I can't select it. any attempts at making a custom res are met with an error that the res is beyond the bandwidth capacity
Posted by: Anon
« on: January 06, 2014, 20:49:14 »

Ended my panic that my new Philips Brilliance 27" (2560x1440) wasn't going to work directly with my HP Probook that has VGA and HDMI sockets (no DisplayPort).  But now it does, via HDMI, using a custom resolution.  Windows 7 Pro, Intel i5-2520M with Intel HD Graphics 3000 graphics processor.  Thank you!
Posted by: ac
« on: January 06, 2014, 08:18:14 »

For AMD, I used free software called CRU (Custom Resolution Utility) to force 2560x1440. The process is a bit involved b/c when I first connected my laptop to my 1440p monitor, the laptop refused to display anything on the monitor. I used CRU to force 2560x1440 on an external 1080p monitor, then disconnected that monitor and reconnected the 1440p monitor. Note: my laptop is the HP DV6-6135DX with AMD 6750M GPU.

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