132 Troubleshooting Your System
• Change the auto-negotiation 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.
4
Ensure that the appropriate drivers are installed and the protocols are 
bound. See the NIC's documentation.
5
Enter the System Setup program and confirm that the NIC ports are 
enabled. See "Integrated Devices Screen" on page 48.
6
Ensure that the NICs, hubs, and switches on the network are all set to the 
same data transmission speed. See the documentation for each network 
device.
7
Ensure 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 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.
1
Turn off the system and attached peripherals, and disconnect the system 
from the electrical outlet.
2
Open the system. See "Opening the System" on page 66.
3
Disassemble components from the system. See "Installing System 
Components" on page 63.
• Cooling shroud
• Hard drives
• SAS backplane
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