I have an HP laptop, and whenever I try to dial up it says there is no dial tone. I tried unchecking the "wait for dial tone" box. I sent the computer back to HP for warranty service, and it came back with a note saying they could duplicate the problem and they replaced the system board, but I still can't get it to work. I am using a business phone line, in which I have to dial a 9 to get an outside line. I typed a 9 into the appropriate box along with a comma. Unfortunately, I don't have a plain old home phone line to try it on.