What kind of 'startup kit'? Are you referring to startup discs?
I have no sound to my computer and also it tells me to
insert a sound card, I don't have a sound card I bought the
tower from a family member who said it was working fine but the thing doesn't
work for me.
Yes there are conflicts that are yellow
Primary IDE Channel
Secondary IDE channel
Sm Bus controller
Universal Serial Bus (USB) Controller
Video Contrller (VGA Compatibe) All of those are yellow