Memory ProblemsFill out the Diagnostics Checklist as you complete these checks.Network ProblemsFill out the Diagnostics Checklist as you complete these checks.PC Card Problemsyou are having problems connecting to the Internet, your computer might be infected with spyware. Use an anti-virus program that includesanti-spyware protection (your program may require an upgrade) to scan the computer and remove spyware. For more information, go tosupport.dell.com and search for the keyword spyware.Run the Dell Diagnostics — If all tests run successfully, the error condition is related to a software problem.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.If you receive an insufficient memory message —l Save and close any open files and exit any open programs you are not using to see if that resolves the problem.l See the software documentation for minimum memory requirements. If necessary, install additional memory.l Reseat the memory modules to ensure that your computer is successfully communicating with the memory.l Run the Dell Diagnostics.If you experience other memory problems —l Reseat the memory modules to ensure that your computer is successfully communicating with the memory.l Ensure that you are following the memory installation guidelines.l Run the Dell Diagnostics.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.Check the network cable connector — Ensure that the network cable is firmly inserted into both the network connector on the back of thecomputer and the network jack.Check the network lights on the network connector — No light indicates that no network communication exists. Replace the networkcable.Restart the computer and log on to the network againCheck your network settings — Contact your network administrator or the person who set up your network to verify that your networksettings are correct and that the network is functioning.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.Check the PC Card — Ensure that the PC Card is properly inserted into the connector.Ensure that the card is recognized by Windows — Double-click the Safely Remove Hardware icon in the Windows taskbar. Ensure thatthe card is listed.If you have problems with a Dell-provided PC Card — Contact Dell.