Dell Latitude C640 User Manual

Also see for Latitude C540 Series: System information guide System information guide System information guide Service manual Service manual

Contents

Dell Latitude C640 User Manual Manual pdf 66 page image

Check the printer - Run the printer self-test. If the test does not complete successfully, theprinter is probably defective. Contact the printer manufacturer.Modem and Internet Connection ProblemsNOTICE: Connect the modem to an analog telephone wall jack only. Connecting the modem to adigital telephone network damages the modem.NOTICE: Modem and network connectors look similar. Do not plug a telephone line into the networkconnector.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 yourISP.Check the telephone wall jack - Disconnect the telephone line from the modem and connectit to a telephone. Listen for a dial tone. Ensure that you have touchtone telephone service. Tryconnecting the modem to a different telephone wall jack.Slow connection speeds can be caused by telephone noise as well as by telephone line ornetwork conditions. Contact your telephone company or network administrator for moreinformation.Connect the modem directly to the telephone wall jack - If you have other telephonedevices sharing the line, such as an answering machine, fax machine, surge protector, or linesplitter, then bypass them and use the telephone line to connect the modem directly to thetelephone 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 is3 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 tonewhen you have messages. Contact your telephone company for instructions on restoring a dialtone.Turn off call waiting (catch-phone) - See your telephone directory for instructions ondeactivating this feature. Then adjust the dial-up networking connection properties.Windows XPClick the Start button and click Control Panel.1.Click Printers and Other Hardware, click Phone and Modem Options, click theDialing Rules tab, and then click Edit....2.In the Edit Location window, ensure that To disable call waiting, dial: is checked, and3.4.5.6.