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Windows 11 iCue Bug


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There appears to be an issue when running full screen videos & some applications where the light effects on my K70 RGB MK.2 keyboard will slow down and not be smooth with the latest Windows 11 Insider Build and iCue 4.13.223

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  • Corsair Employees

The iCUE software is not supported on the developer/prerelease versions of Windows 11.

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8 hours ago, BatJoe said:

Is it not helpful to report bugs to your developers for Windows 11 as the official build will be out this fall......

The problem is ... whose bug is it? Does Corsair spend hours and effort to run down an issue only to find that it's due to the beta OS and is fixed before release? That's not really an effective use of limited development resources.

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It's also highly likely to be on the OS side.  There is no functionality within the CUE program to make your lighting effects erratic.  Take a look in the Task Manager for "System Interrupts" popping up high on the CPU % list.  It won't be a large number, but 1% is a big problem.  It seems like there is an issue handling the traffic.  There certainly are other people running Win 11 with CUE and this is the first report like this I have seen.  It is possible this is a local issue.  You can try the "sfc /scannow" command from the Windows Terminal (Admin).  That will quickly assess Windows files, although I have to admit it's not exactly a super tool.  It should catch large or obvious issues.  You might also report the issue in the Windows Insider group.

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