1. Go into control panel > modems > modem properties
2. Check port speed is set not too low.
3. open port settings > Check FIFO settings and not set low.
4. If that did not solve the problem try the following - Note check customer has Operating System CD.

5. Go into control panel > networks > remove components.
6. Restart computer
7. Go into control panel > networks > re-install dial up adapter & TCP/IP
8. Restart computer. Try connecting
9. If that did not solve the problem > advise customer to speak to vendor.