Dell E05S001 owner manual Troubleshooting a Wet System

•Change the autonegotiation setting, if possible.

•Use another connector on the switch or hub.

If you are using a NIC card instead of an integrated NIC, see the documentation for the NIC card.

4Ensure that the appropriate drivers are installed and the protocols are bound. See the NIC's documentation.

5Enter the System Setup program and confirm that the NIC ports are enabled. See "Integrated Devices Screen" on page 60.

6Ensure that the NICs, hubs, and switches on the network are all set to the same data transmission speed and duplex mode. See the documentation for each network device.

7Ensure that all network cables are of the proper type and do not exceed the maximum length.

If all troubleshooting fails, see "Getting Help" on page 185.

Troubleshooting a Wet System

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

2Open the system. See "Opening the System" on page 76.

3Disassemble components from the system. See "Installing System Components" on page 73.

•Hard drives

•Cooling shroud

•Cooling fan assembly

•SD cards

•USB memory key

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Troubleshooting Your System