There were two or more areas to look. One being any sound application that runs at boot time. In Windows 95/98 the autoexec.bat can have a VOLSET (or similar) command from adding DOS sound support. This command can reset the volume. Since the name of the command can be any number of things, I offer this name as an example and you get to sleuth if that's it.
The next stop is any program that may mute on startup noted at http://www.pcworld.com/howto/article/0,aid,68776,00.asp
I run Windows 98 on a Dell Optiplex GX1 computer.
Every day i find the volume controls reset to '0'so i get no sound untill i reset them back up.
Can anyone give me some advice to solve the problem.