Topic Title: Windows 7 4K UHD Display supported but Windows 8.1 NOT ???
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Created On: 03/04/2014 03:45 AM
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 03/04/2014 03:45 AM
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neobrain
Peon

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Joined: 03/03/2014

I have a big problem,

when i used Windows 7 64bit the Catalyst driver did recognize my 4K UHD Display with the right resolution of 3840x2160 but after i installed Windows 8.1 64bit and installed the newest catalyst driver the diplays maximum resolution is shown as only 1920x1080.

I hope someone has a solution for this because the display is not very useful at this resolution

 03/04/2014 08:13 AM
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Eydee
Ninja Zombie Killer

Posts: 4905
Joined: 12/27/2008

Are you using a Radeon 9200 SE? It's not compatible with 8.



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CPU: AMD Phenom II X4 810 @ 3120MHz | RAM: Kingmax 2x2GB DDR2 800 @ 833MHz| MoBo: MSI K9A2 CF v1.0 (BIOS: 1.D)| GPU: Asus HD 6850 1024MB (DirectCu) @ 835/1135MHz | Display: L24FHD | PSU: PC Power & Cooling Silencer 750 Quad | OS: MS Windows 3.11 Pro x64

 03/04/2014 01:14 PM
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neobrain
Peon

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 I have an ATI Radeon HD6800

 03/09/2014 04:21 AM
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neobrain
Peon

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No one has any possible solution for this ?

 03/09/2014 01:26 PM
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black_zion
80 Column Mind

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Why did you change from Windows 7 to 8.1 when you're not using a touchscreen?

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 03/09/2014 01:53 PM
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LV-426
Peon

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Well, I do not know what display you use and how it is connected as you have supplied the minimum information possible.

 

For example I can't get the max res at max refresh rate on my 4K Dell (3214) connected with DP1.2 to an XFX R7 260X with Windows 7 Pro 64. But depending on the driver versions I get different results.

WHQL 13.12 uses half the Display with 1920x2160@60Hz

13.30 Beta (The best I tried yet and still use) 3840x2160@30Hz

14.1 Beta displays the right half of 3840x2160 but my second screen (2713 with DVI) does not display anything.

Not tried the 14.2 yet.

The advice I can give you, try to find the right drivers which give you the best results, may not be 100%

 

On my second rig with 8.1 the display shows 3840x2160@60, but this has nVidia Hardware and requires a little bit of fiddling with the current WHQL Drivers until it does. It uses to work ok (without fiddling) with the previous WHQL

 

 

 03/11/2014 11:06 AM
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neobrain
Peon

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Originally posted by: black_zion Why did you change from Windows 7 to 8.1 when you're not using a touchscreen?

Because my Windows 7 was completly damaged and i have Windows 8.1 on my other pC´s too and like it much more.

I can download apps which i can use on every PC and so on...

Much more stable and less RAM used.

 

 03/11/2014 11:46 AM
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neobrain
Peon

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Thank you for the hint i installed 13.12 and everything is working flawlessly !

I am happy now even i don´t understand why they changed this in newer versions.

 

regards

Peter

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