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ModemHelp.Net Recommends: Free System Scan for PC Errors

Error 652

1.  If the modem is not dialing and trying to establish a connection then check to make sure that the modem is installed properly and responds to diagnostics.

1a)  Uninstall and reinstall the modem.

1b)  Make sure that no other programs are using your modem.  Fax software, Supervoice, etc...

1c)  Ctrl-Alt-Delete, if you see RNAAPP loaded, then go to the RNAAPP fix page.

2.  If the modem is dialing and trying to establish a connection then try modem driver updates/init strings after checking all of the user's settings.

2a)  Make sure that no other programs are using your modem.  Fax software, Supervoice, etc...

2b)  Ctrl-Alt-Delete, if you see RNAAPP loaded, then go to the RNAAPP fix page.

3.  Do a full internet (DUN, Network, dialers, pwl's, etc..) uninstall and reinstall.

4.  Check into line noise.