That would be difficult to answer without knowing if you have a virus, malware or spyware. You have the machine (not us) so you're
the only one that can answer that question. If you're asking "can having such cause this problem"? then the answer is definitely YES.
Do you have anti-malware, anti-spyware, and anti-virus software installed and updated? If the answer is yes, then you should not have any virus, malware or spyware. If you don't have any of these software's installed, I can guarantee you have one if not all 3 especially
if you have internet access.
Has audio become disable because of some unknown problem or has it been disabled thru some software setting?
I suggest you update or obtain anti-nasty software and then scan all files on your system to ascertain whether or
not you have any of these nasties which could surely cause the problems you're having.