Modem And Internet Connection Problems - Dell Latitude C840 User Manual

Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Ensure that the printer is turned on —
Verify that Windows® recognizes the printer
Windows XP
1. Click the Start button.
2. Click Control Panel.
3. Click Printers and Other Hardware.
4. Click View installed printers or fax printers. If the printer model is listed, right-click the printer icon.
5. Click Properties, and then click the Ports tab. Ensure that the Print to the following port option is set for your printer type:
For a parallel printer: LPT1 (Printer Port)
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For a USB printer: USB
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Windows 2000
1. Click the Start button, point to Settings, and then click Printers.
If the printer model is listed, right-click the printer icon.
2. Click Properties, and then click the Ports tab.
3. Ensure that the Print to the following port: option is set for your printer type:
For a parallel printer: LPT1 (Printer Port)
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For a USB printer: USB
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Reinstall the printer driver — See
Check the printer — Run the printer self-test. If the test does not complete successfully, the printer is probably defective. Contact the printer
manufacturer.

Modem and Internet Connection Problems

NOTICE: Connect the modem to an analog telephone wall jack only. Connecting the modem to a digital telephone network damages the modem.
NOTICE: Modem and network connectors look similar. Do not plug a telephone line into the network connector.
Fill out the Diagnostics Checklist as you complete these checks.
NOTE: If you can connect to your Internet service provider (ISP), your modem is functioning properly. If you are sure that your modem is working
properly and you still experience problems, contact your ISP.
Check the telephone wall jack —
that you have touchtone telephone service. Try connecting the modem to a different telephone wall jack.
Slow connection speeds can be caused by telephone noise as well as by telephone line or network conditions. Contact your telephone
company or network administrator for more information.
Connect the modem directly to the telephone wall jack —
machine, fax machine, surge protector, or line splitter, then bypass them and use the telephone line to connect the modem directly to the
telephone wall jack.
Check the connection — Verify that the telephone line is connected to the modem.
Check the telephone line — Try using a different telephone line. If you are using a line that is 3 m (10 ft) or more in length, try a shorter one.
Irregular dial tone — If you have voice mail service, you might hear an irregular dial tone when you have messages. Contact your telephone
company for instructions on restoring a dial tone.
See the documentation supplied with the printer.
"Reinstalling Software."
Disconnect the telephone line from the modem and connect it to a telephone. Listen for a dial tone. Ensure
If you have other telephone devices sharing the line, such as an answering