164 Troubleshooting Your System4 Ensure that the required device drivers for your controller card are installedand are configured correctly. See the operating system documentation formore information.5 Restart the system, enter the System Setup program, and verify that thecontroller is enabled and the drives appear in the System Setup program.See "Using the System Setup Program and UEFI Boot Manager" onpage 57.If the problem persists, see "Getting Help" on page 181.Troubleshooting a Storage ControllerNOTE: When troubleshooting a SAS or PERC controller, also see thedocumentation for your operating system and the controller.1 Run the appropriate online diagnostic test. See "Using Dell Diagnostics"on page 169.2 Enter the System Setup program and ensure that the SAS or PERCcontroller is enabled. See "Using the System Setup Program and UEFIBoot Manager" on page 57.3 Restart the system and press the applicable key sequence to enter theconfiguration utility program:• for a SAS controller• for a PERC controllerSee the controller's documentation for information about configurationsettings.4 Check the configuration settings, make any necessary corrections, andrestart the system.5 If applicable, remove the front bezel. See "Removing the Front Bezel" onpage 81.CAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell isnot covered by your warranty. Read and follow the safety instructions thatcame with the product.
