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Hi All,

I am facing inconsistent issues like scichart graph freezing. Sometimes works fine, sometimes wont. From right side to left side graph flow is stopping. I am using a health care devise which has a amplitude 0 to 1, when i increase from 0 gradually graph still frozen, when i reach amplitude 1 graph flow starts.

We have crosschecked the values flowing in the code, values are flowing continuously to the chart.

For reference I am attaching screenshot.

So, I just want to know ,is there any attribute in scichart to know when graph is freezing? in the freezing time we can refresh the graph.

Please suggest if any other solutions are there..

Let me know if any other information required.

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Hi Kumar

Yes, there is a known issue Intel GPU drivers and WPF (not SciChart) on some PCs.

This issue has been around for a long time. See our forum post 9 years ago ‘Zoom not working on one single computer’!

The Github thread above has the following resolution:

Just installed the drivers from 6/8/2021 and it appears to have been fixed. Running an 1165G7

Also another user suggests a workaround for computers with just Intel Iris GPUs

    // work around a bug in old intel drivers:
    foreach (ManagementObject video in new ManagementObjectSearcher(new SelectQuery("Win32_VideoController")).Get())
if ((string)video["Name"] == "Intel(R) Iris(R) Xe Graphics" && string.CompareOrdinal((string)video["DriverVersion"], "") <= 0)
    System.Windows.Media.RenderOptions.ProcessRenderMode = System.Windows.Interop.RenderMode.SoftwareOnly;

Please try to check what video hardware is problematic and if it is Intel then try the suggestions above

Best regards,

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