168 Troubleshooting Your SystemIf you are using a NIC card instead of an integrated NIC, see thedocumentation for the NIC card.3 Ensure that the appropriate drivers are installed and the protocols arebound. See the NIC's documentation.4 Enter the System Setup program and confirm that the NICs are enabled.See "Entering the System Setup Program" on page 43.5 Ensure that the NICs, hubs, and switches on the network are all set to thesame data transmission speed. See the network equipmentdocumentation.6 Ensure that all network cables are of the proper type and do not exceed themaximum length.If the problem persists, see "Getting Help" on page 205.Troubleshooting a Wet SystemProblem• Liquid spilled on the system.• Excessive humidity.ActionCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.2 Open the system. See "Opening the System" on page 68.3 Remove all expansion cards installed in the system. See "Removing anExpansion Card" on page 108.4 Let the system dry thoroughly for at least 24 hours.5 Close the system. See "Closing the System" on page 70.
