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[P1LGRIM]

Really, now the sound icon is gray and there is no sound.

If it was working before then just revert to the config.plist that you were using before - It's not rocket science.

 

[hrxind]

If it was working before then just revert to the config.plist that you were using before - It's not rocket science.

I've solved the sound problem.
But Nvidia is not fluent enough to solve the problem, using your teaching method, update Nvidia drive to the latest version, not fluent, and use the command line to switch back to the 378.10.10.10.25.106.