04-12-2018, 11:35 PM
Once again check your sound settings.Make sure that the sound is not muted.If it is muted, un mute it and start your work.Some times it happen due to some software issues.Or it may due to failure of driver.Check whether the hardware is properly detected.Pine 64 is a single board computer and have four 64 bit cores.And you can go to the sound settings and press the test button there.Some times you may able to troubleshoot your problem.You can refer write my paper for further details regarding to this problem.