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132 Troubleshooting Your System
Check the appropriate indicator on the NIC connector. See "NIC Indicator
Codes" on page 21.
• If the link indicator does not light, check all cable connections.
• If the activity indicator does not light, the network driver files might
be damaged or missing.
Remove and reinstall the drivers if applicable. See the NIC's
• 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.
Ensure that the appropriate drivers are installed and the protocols are
bound. See the NIC's documentation.
Enter the System Setup program and confirm that the NIC ports are
enabled. See "Integrated Devices Screen" on page 58.
Ensure that the NICs, hubs, and switches on the network are all set to the
same data transmission speed and duplex. See the documentation for each
Ensure that all network cables are of the proper type and do not exceed the
If all troubleshooting fails, see "Getting Help" on page 157.
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.
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
Open the system. See "Opening the System" on page 79.
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