Posted 26 July 2011 - 05:10 PM
I'm working on a Dell machine with Windows XP Home SP2. It's owner must connect to the Internet through a 56k dialup modem. The problem is that each time she unplugs the modem from the phone wall jack, it fails to connect after plugging it back in, returning a 608 error (no dial tone). It happened a while ago when she dismantled her system to change out the computer desk and we assumed the modem went bad (it's at least 4 years old). Bought a new external USB-to-dialup modem and this quit working very soon afterwards (after being unplugged and plugged back in). We replaced it with a US Robotics internal modem. She unplugged the modem and PC from the wall outlets to protect it against a severe lightning storm this week. When she plugged it back in, she gets the same 608 error (no dial tone) AGAIN. We've obviously checked the phone line and it works fine with a telephone. And, I tested the modem/PC at my home and got the same error. I'm thinking that it is not the modem itself, but rather a setting that seems to be lost when she unplugs.
I would greatly appreciate any input that can help us find the root cause of this problem. Dialup is her only option, so she's offline until we get this fixed. All the common telephony/modem settings seem to be in order.