Gateway M275 Notebook User Manual page 305

If the modem shares the telephone line with another device, make sure
that the telephone line is not in use (for example, someone is on the
telephone, or another modem is in use).
Use the modem cable that came with your convertible tablet PC. Some
telephone cables do not meet required cable standards and may cause
problems with the modem connection.
Shut down and restart your convertible tablet PC.
Run Windows modem diagnostics.
To run modem diagnostics:
1
Close all open programs.
2
Click/Tap
Start
window opens. If your Control Panel is in Category View, click/tap
Printers and Other Hardware
3
Click/Double-click/Tap/Double-tap the
icon, then click/tap the
4
Click/Tap your modem, then click/tap
Properties dialog box opens.
5
Click/Tap the
information about the modem appears, the modem passed
diagnostics. If no modem information is available, a white screen
appears with no data, or if you get an error such as port already open
or the modem has failed to respond, the modem did not pass
diagnostics.
Help and For more information about modem troubleshooting,
Support click/tap Start, then click/tap Help and Support.
Type the keyword modem troubleshooting in the
Search box
arrow.
, then click/tap
Control Panel
.
tab.
Modems
tab, then click/tap
Diagnostic
www.gateway.com
Troubleshooting
. The Control Panel
Phone and Modem Options
. The Modem
Properties
. If
Query Modem
, then click/tap the
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