108 Troubleshooting5 Click the COM port for your modem.6 Click Properties, click the Diagnostics tab, and then click Query Modemto verify that the modem is communicating with Windows.If all commands receive responses, the modem is operating properly.EN S U R E T H A T Y O U A R E C O N N E C T E D T O T H E IN T E R N E T — Ensure that you havesubscribed to an Internet service provider. With the Outlook Express e-mailprogram open, click File. If Work Offline has a checkmark next to it, click thecheckmark to remove it, and then connect to the Internet. For help, contactyour Internet service provider.SC A N T H E C O M P U T E R F O R S P Y W A R E — If you are experiencing slow computerperformance, you frequently receive pop-up advertisements, or you are havingproblems connecting to the Internet, your computer might be infected withspyware. Use an anti-virus program that includes anti-spyware protection(your program may require an upgrade) to scan the computer and removespyware. For more information, go to support.dell.com and search for thekeyword spyware.Error MessagesFill out the "Diagnostics Checklist" on page 174 as you complete thesechecks.CAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.If the message is not listed, see the documentation for the operating systemor the program that was running when the message appeared.AU X I L I A R Y D E V I C E F A I L U R E — The touch pad or external mouse may be faulty.For an external mouse, check the cable connection. Enable the PointingDevice option in the system setup program (see "Using the System SetupProgram" on page 185). If the problem persists, contact Dell (see "ContactingDell" on page 175).BA D C O M M A N D O R F I L E N A M E — Ensure that you have spelled the commandcorrectly, put spaces in the proper place, and used the correct pathname.CA C H E D I S A B L E D D U E T O F A I L U R E — The primary cache internal to themicroprocessor has failed. Contact Dell (see "Contacting Dell" on page 175).
