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Hi @Andrw0830 @maz-1 My laptop sound is ALC256 too. I was facing up with the problem that when I reboot to MacOS from Windows, the sound of speaker is gone....

try to use hackintool, in power tab, click fix button.

I still don't know how to fix this error. =)) Just happen when you change from battery mode to charging mode. So pls plug before turning on ur pc or...

I still don't know how to fix this error. =)) Just happen when you change from battery mode to charging mode. So pls plug before turning on ur pc or...

Please patch usb again using usbtoolbox. if you dont know, google it

I'm trying to fix the flickering issue while changing from battery mode to charging mode. Check the latest update.