Dell XPS 720 H2C (Mid 2007) - Manual (Page 55)

Troubleshooting
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3 Click Properties → Tools→ Check Now.
The User Account Control window may appear. If you are an administrator on the computer, click Continue;
otherwise, contact your administrator to continue the desired action.
4 Follow the instructions on the screen.
E-Mail, Modem, and Internet Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTE:
Connect the modem to an analog telephone jack only. The modem does not operate while it is connected to
a digital telephone network.
NOTE:
Do not plug a telephone cable into the network adapter connector (see "Back I/O Connectors" on page 17).
C HECK THE M ICROSOFT O UTLOOK® E XPRESS SECURITY SETTINGS — If you cannot open your e-mail
attachments:
1 In Outlook Express, click Tools → Options→ Security.
2 Click Do not allow attachments to remove the checkmark, as needed.
C HECK THE TELEPHONE LINE CONNECTION
C HECK THE TELEPHONE JACK
C ONNECT THE MODEM DIRECTLY TO THE TELEPHONE WALL JACK
U SE A DIFFERENT TELEPHONE LINE —
• Verify that the telephone line is connected to the jack on the modem (the jack has either a green label or a connector-
shaped icon next to it).
• Ensure that you hear a click when you insert the telephone line connector into the modem.
• Disconnect the telephone line from the modem and connect it to a telephone, then listen for a dial tone.
• If you have other telephone devices sharing the line, such as an answering machine, fax machine, surge protector, or
line splitter, bypass them and use the telephone to connect the modem directly to the telephone wall jack. If you are
using a line that is 3 meters (10 feet) or more in length, try a shorter one.
R UN THE M ODEM DIAGNOSTIC T OOL —
Windows XP:
1 Click Start
→
All Programs
→
Modem Helper.
2 Follow the instructions on the screen to identify and resolve modem problems. Modem Helper is not available on
certain computers.
Windows Vista:
1 Click Start →
All Programs
→
Modem Diagnostic Tool.
2 Follow the instructions on the screen to identify and resolve modem problems. Modem diagnostics are not available
on all computers.