E-Prime Go and DirectX 12?

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Sarah Racine

July 21, 2020 16:59

One of our participants attempted to launch E-Prime Go with our experiment file and received the following error message:

The participant has DirectX12 (as it's part of the latest version of Windows10), which seems to make their system incompatible with E-Prime Go. I understand that DirectX 11 is required for E-Prime 3.x (https://support.pstnet.com/hc/en-us/articles/229358967), but does this mean that those with higher versions of DirectX won't be able to access our E-Prime experiment? Is there a work-around to this issue?

Thanks!

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  David Nicholson July 21, 2020 19:30

  In general, the DirectX version is packaged with the OS (https://support.microsoft.com/en-us/help/179113/how-to-install-the-latest-version-of-directx). Even though this lists DirectX 12, that does not mean it supports all DirectX 12 features (or even DirectX 11 features). To run with the current E-Prime Go 1.0.1.44, the machine must meet the same requirements found on https://support.pstnet.com/hc/en-us/articles/229358787-TIMING-E-Prime-requires-specific-DirectX-11-settings-for-accurate-timing-19550-.

  • DDI version must be at least 11.
  • The WDDM version must be at least 1.1.
  • The Features Levels must be at least 11.0.

  If you login to the support site and look under Downloads > E-Prime 3.0, you will see a download under "Utility Downloads for E-Prime 3.0" called PcQualify. This can be distributed to participants to screen their PC prior to running.

  

  If you need more assistance, please contact PST support.

   

  I hope this helps!

  David

   

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  Caroline Postler June 17, 2021 07:51

  Hi,

  I have a participant with the same problem. Is there any solution? I don't quite understand how running the PcQualify App solves the problem...

  Best,

   

  Ankelien Schippers

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