My Computer currently has no sound,I checked drivers(De-installed,re-installed,updated,rolled-back),Checked Devices and they are working(dissabled them,reinstalled them,changed drivers,de-installed them),troubleshooting says there is no problem,audio service is working.however it does not has any sound,and it was working fine yesterday but all audio stopped working out nowhere,im a multimedia student and im kinda desperate right now,