Dell PowerEdge C6220 II - Manual (Page 313)

Troubleshooting Your System | 313
3 Ensure that the appropriate drivers are installed and the protocols are
bound. See the NIC’s documentation.
4 Enter the System Setup program and confirm that the NIC ports are
enabled. See “Using the System Setup Program” on page 68.
5 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.
6 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 343.
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 151.
3 Disassemble components from the system. See “Removing and
Installing System Components” on page 150.
 Hard drives
 SAS backplane
 Expansion-card
 Power supplies
 Fans
 Processors and heat sinks
 Memory modules
4 Let the system dry thoroughly for at least 24 hours.