I know this is old hardware, but I recently upgraded an old laptop to Windows 11 that has an AMD HD 5450. I installed the latest drivers and ran PT which told me the HD 5450 does not support DX11 when it does. What is going on here? Do I need to install something to make it work? I tried PT 8 and 9, both with the same result. I had the same problem with Windows 10, DX11 not supported by PT.
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What was the exact error message?
We have other baseline example benchmarks for the 5450 that seem to show that DX11 "works". So it isn't a general problem with this card.
I say "works" in quotes as the performance is abysmal. 1 Frame per second, on average. So basically not usable at all anyway.
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"Failed to create Direct3D environment, most likely this means that your card does not support DirectX 11." Seems I remember that an older version of the drivers worked. I am using the latest 16.2.1 radeon-software-crimson-relive, but I have also used the latest catalyst-15.7.1 that also does not work with DirectX 11. I googled if these drivers support DirectX 11 and google says they do.Comment
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There were a number of sub-levels for DX11. (11.1, 11.2 & 11.3). All the DX11 cards we are aware of support all levels however. The latest release, 11.3, was 10 years ago in 2015.
But this was 5 years after the HD 5450 release which was now 15 years ago. So maybe it is possible that only 11.0 got implemented for this card. But this doesn't explain how we have many other HD 5450 benchmark results, except maybe if it was as you suggested and there is just a specific driver version that works.
Looking at the benchmark results that we have, I can see that most of them were with the driver release V15.201.1151.108. With a couple also using V15.301.1901.0.
I don't see any result with a V16 driver. But this is a very old card now. No one is using cards this old anymore.
Might also be worth running "dxdiag" (included with windows) to see what it reports.Comment
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V15.301.1901.0 is the video driver version of 16.2.1 radeon-software-crimson-relive, the same one I am using. I think V15.201.1151.108 could be the video driver version for catalyst-15.7.1, but not sure about that without reverting back to my Windows 10 install. Anyway I am using display video driver V15.301.1901.0 and it gives me the error message above. My laptop has the ATI Mobility Radeon HD 5450 that has DirectX 11.2 according to https://www.techpowerup.com/gpu-spec...-hd-5450.c3136. I ran dxdiag, but it only shows intel HD graphics that is part of the intel i5-m560 CPU. Not sure how to get dxdiag to run for dedicated graphics HD-5450. Strange thing is I have War Thunder installed on the laptop and it runs it using DirectX 11. Intel HD graphics is only DirectX 10 and I wonder if PT 8 is using that instead of the HD-5450? I do have PT 8 selected to run using the HD-5450 though, same as War Thunder.
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Obviously a bad sign.I ran dxdiag, but it only shows intel HD graphics
I assume this laptop only has a single video output for both the Intel and AMD video?
In some versions of some video card drivers you can pick which applications use which video card. Maybe you can force PT to use the AMD card?
Also maybe in BIOS you can display the Intel card. Power usage will likely be higher if you do this however.
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In the AMD Crimson software you can select the program to run using the HD 5450. I have selected PT8 to run using HD 5450 and it is using it. I can tell because the difference between the Intel HD Graphics and HD 5450 FPS in the startup UI, the HD 5450 is much higher.
What I was eluting to is it seems like when PT8 gets to the DirectX 11 part of the 3D tests it is not seeing the HD 5450, but is seeing the Intel HD Graphics if that is possible. As I said, War Thunder is using DirectX 11, although all the settings are on ultra low, but it runs. I was looking through the version change logs for PT8 and it seems there was a problem similar to this in the past.
Not a huge deal if we cannot figure this out, it is a very old laptop and I'm very happy that I figured out how to put Windows 11 on it and that I'm able to play very old games on it when I travel. The laptop is not my only computer, I do have a much much better gaming desktop computer that runs all my games and of course all your excellent PT programs.Comment
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The DirectX 11 test runs in a separate executable from the main PerformanceTest application, you will likely need to assign the PT-D3D11Test.exe to use the AMD video card as well.Comment
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Excellent, that worked for DirectX 11 test, but now I'm getting an error that says DirectCompute did not complete.Comment
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See the following FAQ for a list of other executables that are ran separately, PerformanceTest FAQ - Support for NVIDIA Optimus
If you still encountering the error, send in the debug log and we can take a look.Comment
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