Premiere Pro / Media Encoder not starting after upgrading graphics card

Question

I just upgraded my GPU from the Ati Radeon HD 7850 2GB that came with my PC, to a Sapphire AMD Radeon NITRO+ RX 580 8GB card.

The card works absolutely fine, I downloaded the latest drivers for it and tested it on various 3D applications.

But now I've just discovered that Premiere Pro and Media Encoder won't start up. I just get the startup screen, but nothing happens, it just hangs there without loading any libraries until after a few minutes the system tells me it's stopped responding.

The same problem is also affecting Audition, but Photoshop starts fine.

I am on Windows 7 64bit.

I tried uninstalling Premiere (including preferences) from Creative Cloud and re-installing. No change. I also tried rolling back to a previous version (12.1.1) but still no change.

Interestingly, if I install the 2017 version of Premiere, it works fine, but it loads more slowly than ever before. If I go to the GPU selection screen, there's no GPU acceleration option, everything is greyed out apart from Engine Software. It looks like Premiere is not recognising my AMD card, despite the Radeon Settings utility telling me that I have both OpenGL and OpenCL drivers correctly installed for the card.

I don't have an on-board display adapter I can switch to for testing purposes and my old GPU has been sold, so now I am stuck with an old version of Premiere without GPU acceleration, unable to open any projects created with the 2018 version and with a deadline to meet for video editing work.

Help!! How do I get Premiere and Media Encoder to recognise my new GPU?

glauxtheowl · Answer

Well, after much searching and posting on AMD forums (no reply there either) I still can't get this to work. This is maddening!

I have Premiere CC 2018 projects I can't open because only the 2017 version works. I ran GPUSniffer in both the 2017 and 2018 version and both are finding my GPU:

C:\Program Files\Adobe\Adobe Premiere Pro CC 2018>gpusniffer.exe

GPUSniffer testing 254

--- OpenGL Info ---

Vendor: ATI Technologies Inc.

Renderer: Radeon RX 580 Series

OpenGL Version: 4.5.13542 Compatibility Profile Context 25.20.14011.1003 25.20.1

4011.1003

GLSL Version: 4.50

Monitors: 1

Monitor 0 properties -

Size: (0, 0, 1440, 900)

Max texture size: 16384

Supports non-power of two: 1

Shaders 444: 1

Shaders 422: 1

Shaders 420: 1

--- GPU Computation Info ---

Found 1 devices supporting GPU computation.

OpenCL Device 0 -

Name: Ellesmere

Vendor: AMD

Capability: 2.1

Driver: 2

Total Video Memory: 8192MB

I also tried disabling OPENCL support for the INTEL GPU in the registry:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Khronos\OpenCL\Vendors

as suggested in other forums, but this made no difference.

Where do I go from here???

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