General Discussions

[bamdprib]

With this 30" monitor I should be able to get 2560x1600 using a dual-link DVI cable, but Windows is not giving me any resolution option higher than 1280x800. Ideas?

Monitor:

HP ZR30w

Cable:

Dual-Link DVI

OS:

Windows Version 10.0.16299 Build 16299

Card:

Radeon Software Version - 17.12.2

Radeon Software Edition - Adrenalin

Graphics Chipset - AMD Radeon R7 200 Series

Memory Size - 1024 MB

Memory Type - GDDR5

Core Clock - 1050 MHz

Windows Version - Windows 10 (64 bit)

System Memory - 16 GB

CPU Type - Intel(R) Core(TM) i7-4820K CPU @ 3.70GHz

Software:

Radeon Settings Version - 2017.1217.1452.26725

Driver Packaging Version - 17.50.07.01-171217a-322096E-RadeonSoftwareAdrenalin

Provider - Advanced Micro Devices, Inc.

2D Driver Version - 8.1.1.1634

Direct3D® Version - 9.14.10.01316

OpenGL® Version - 6.14.10.13506

OpenCL™ Version - 23.20.15007.1005

AMD Mantle Version - 9.1.10.0237

AMD Mantle API Version - 102400

AMD Audio Driver Version - 10.0.1.6

Vulkan™ Driver Version - 2.0.1

Vulkan™ API Version - 1.0.65

[goodplay]

Apparently 1280 x 800 is the monitor safe mode.

Check your manual/settings/connections..

[black_zion]

Does your video card have a DisplayPort port?

[bamdprib]

Unfortunately, no; it has only DVI, HDMI, and VGA.

[black_zion]

Odd...Anyway, are you sure the cable is Dual Link, and that you are using the correct refresh rate?

[bamdprib]

My cable has a manufacturer's label that says "Dual Link DVI cable part no X058C" (I think it's a Dell cable).  Windows is only giving me a single choice of refresh rate: 60 Hz.

[black_zion]

Monitor drivers installed?

[bamdprib]

Yep

On Mon, Jan 15, 2018 at 10:08 AM, black_zion <amd-external@jiveon.com>

[black_zion]

Try it without the drivers.

[bamdprib]

without which drivers? If you mean the monitor drivers... I had already

tried it without them (didn't work), then added them as an experiment.

On Mon, Jan 15, 2018 at 10:28 AM, black_zion <amd-external@jiveon.com>

[black_zion]

Tried another cable?

[bamdprib]

Yeah I think that's a good next move. Will locate another one and let you

know.

On Mon, Jan 15, 2018 at 10:36 AM, black_zion <amd-external@jiveon.com>

[bamdprib]

Tried a different cable.  Same result. 

How can I be sure that this Radeon card actually supports what I'm trying to do?  And that it's not broken?

[goodplay]

What is the exact make/model of card (GPU-Z has a Lookup function) ?

[bamdprib]

The GPU-Z Lookup goes to this page:

https://www.techpowerup.com/gpudb/b2479/xfx-r7-250 which says XFX R7 250

R7-250A-ZNF4

[bamdprib]

Based on this page

http://xfxforce.com/en-us/products/amd-radeon-r7-200-series/amd-radeon-r7-250-core-edition-r7-250a-zlf4,

it looks like that trying to use DVI is my problem! It says Max Supported

Resolution (DIGITAL) : 1920 x 1080(DVI);4096 x 2160 (HDMI)

I wonder if an HDMI to DisplayPort adapter would do the trick?

[black_zion]

You're going to be limited to 30hz if you use the HDMI port. Ideally you need to upgrade your graphics hardware to a model with a DisplayPort. I'd suggest the RX 550, it's twice as fast as the 250 and has a DisplayPort and HDMI 2.0b