I'll bet you're using an internal modem, most likely a WinModem... CPU is tied up handling the drive activity and can keep up with the workload of doing the modem work at the same time. -Jim- James macmillan wrote: >have xp home, when I defrag or scandisk: cant access dial up isp just a >buzzing sound no connection; when I restart the puter everything back to >normal, not a problem but why is this so??? >James >To unsub or change your email settings: >//www.freelists.org/webpage/pctechtalk > >To access our Archives: >http://groups.yahoo.com/group/PCTechTalk/messages/ >//www.freelists.org/archives/pctechtalk/ > >For more info: >//www.freelists.org/cgi-bin/list?list_id=pctechtalk > > > > To unsub or change your email settings: //www.freelists.org/webpage/pctechtalk To access our Archives: http://groups.yahoo.com/group/PCTechTalk/messages/ //www.freelists.org/archives/pctechtalk/ For more info: //www.freelists.org/cgi-bin/list?list_id=pctechtalk