Troubleshooting a SAS or SAS RAID Controller
NOTE: When troubleshooting a SAS or SAS RAID controller, also see the documentation for your operating system and the controller.
1Run the appropriate online diagnostic test. See "Using Dell™ Diagnostics" on page 163.
2Enter the System Setup program and ensure that the SAS or SAS RAID controller is enabled. See "Entering the System Setup Program" on page 58.
3Restart the system and press the applicable key sequence to enter the configuration utility program:
•<Ctrl><C> for a SAS controller
•<Ctrl><R> for a SAS RAID controller
See the controller's documentation for information about configuration settings.
4Check the configuration settings, make any necessary corrections, and restart the system.
5If installed, remove the optional front bezel. See "Removing and Replacing the Optional Front Bezel" on page 81.
WARNING: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before you begin this procedure, review the safety instructions that came with the system.
6Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
7Open the system. See "Opening the System" on page 82.
8If you have a SAS RAID controller, ensure that the following RAID components are properly installed and connected:
•Memory module
•Battery
9Verify that the cable connections between the SAS backplane(s) and the SAS controller are correct. See "Installing the SAS Backplane" on page 138.
10Ensure that the cables are firmly connected to the SAS controller and the SAS backplane board.
158
