168 Troubleshooting Your Systemsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.5 Turn off the system and attached peripherals, and disconnect the systemfrom its electrical outlet.6 Open the system. See "Opening the System."7 Ensure that the controller card is firmly seated into the expansion-cardconnector. See "Installing the Integrated Storage Controller Card."8 If you have a battery-cached PERC controller, ensure that the RAIDbattery is properly connected and, if applicable, the memory module onthe PERC card is properly seated.9 Verify that the cable connections between the SAS backplane and theintegrated storage controller are correct. See "Installing the IntegratedStorage Controller Card" and Figure 6-3.10 Ensure that the cables are firmly connected to the storage controller andthe SAS backplane board.11 Close the system. See "Closing the System."12 Reconnect the system to its electrical outlet, and turn on the system andattached peripherals.If the problem persists, see "Getting Help."Troubleshooting Expansion CardsCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.NOTE: When troubleshooting an expansion card, see the documentation for youroperating 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 systemfrom the electrical outlet.
