Troubleshooting Your System 125
8
Ensure that the cables are firmly connected to the storage controller and 
the SAS backplane board.
9
Install the system-board assembly. See "Installing a System-Board 
Assembly" on page 62.
10
Reconnect the system to its electrical outlet, and turn on the system and 
attached peripherals.
If the problem persists, 
see "Getting Help
" on page 143
.
Troubleshooting Expansion Cards
  NOTE: When troubleshooting an expansion card, see the documentation for your 
operating system and the expansion card.
 
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
Remove the system-board assembly. See "Removing a System-Board 
Assembly" on page 61.
3
Ensure that each expansion card is firmly seated in its connector. 
See "Installing the Expansion Card" on page 71.
4
Install the system-board assembly. See "Installing a System-Board 
Assembly" on page 62.
5
Reconnect the system to the electrical outlet, and turn on the system and 
attached peripherals.
6
If the problem is not resolved, see "Getting Help" on page 143.
book.book  Page 125  Thursday, March 4, 2010  4:38 PM