l If the problem persists, use another connector on the switch or hub.4. Ensure that the appropriate drivers are installed and the protocols are bound. For moreinformation, see the NIC documentation.5. Enter System Setup and confirm that the NIC ports are enabled on the Integrated Devicesscreen.6. Ensure that all the NICs, hubs, and switches on the network are set to the same datatransmission speed and duplex. For more information, see the documentation for eachnetwork device.7. Ensure that all network cables are of the proper type and do not exceed the maximumlength.After you finishIf the problem persists, see the Getting help section.Troubleshooting a wet systemBefore you beginCAUTION Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.Procedure1. Turn off the system and attached peripherals, and disconnect the system from the electricaloutlet.2. Remove the system cover.3. Remove the following components (if installed) from the system:l Power supply unit(s)l Optical drivel Hard drivesl Hard drive backplanel USB memory keyl Hard drive trayl Cooling shroudl Expansion card risers (if installed)l Expansion cardsl Cooling fan assembly (if installed)l Cooling fansl Memory modulesl Processor(s) and heat sink(s)l System board4. Let the system dry thoroughly for at least 24 hours.5. Reinstall the components you removed in step 3 except the expansion cards.Troubleshooting your system204 Dell PowerEdge R430 Owner's Manual
