Sound disappeared from my high Sierra at once what could be the problem
Sound disappeared from my high Sierra at once what could be the challenge because I have tried to restart it several times but it failed
Sound disappeared from my high Sierra at once what could be the challenge because I have tried to restart it several times but it failed
Have you done a PRAM reset, ...
Reset NVRAM on your Mac - Apple Support
In fact, do 3 in a row, takes a bit of time.
Intel-based Macs: Resetting the System Management Controller (SMC)...
Reset the SMC of your Mac - Apple Support
Sound disappeared from my high Sierra at once what could be the problem