Sony VGN-FS550 - Manual (Page 147)

Internet
Why doesn't my modem work?
 Make sure the telephone cable is securely plugged into the Modem jack on the computer and the wall jack.
 Make sure the telephone cable is working. Plug the cable into an ordinary telephone and listen for a dial tone.
 Make sure the telephone number the program is dialing is correct.
 Make sure the software you are using is compatible with the computer's modem. (All preinstalled Sony programs are
compatible.)
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