168 Troubleshooting Your System
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.
5
Turn off the system and attached peripherals, and disconnect the system 
from its electrical outlet.
6
Open the system. See "Opening the System."
7
Ensure that the controller card is firmly seated into the expansion-card 
connector. See "Installing the Integrated Storage Controller Card."
8
If you have a battery-cached PERC controller, ensure that the RAID 
battery is properly connected and, if applicable, the memory module on 
the PERC card is properly seated.
9
Verify that the cable connections between the SAS backplane and the 
integrated storage controller are correct. See "Installing the Integrated 
Storage Controller Card" and Figure 6-3.
10
Ensure that the cables are firmly connected to the storage controller and 
the SAS backplane board.
11
Close the system. See "Closing the System."
12
Reconnect the system to its electrical outlet, and turn on the system and 
attached peripherals.
If the problem persists, 
see "Getting Help."
Troubleshooting Expansion Cards
  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.
 
NOTE: When troubleshooting an expansion card, see the documentation for your 
operating system and the expansion card.
1
Run the appropriate online diagnostic test. See "Using Dell™ PowerEdge™ 
Diagnostics."
2
Turn off the system and attached peripherals, and disconnect the system 
from the electrical outlet.