132 Troubleshooting Your System5 Restart the system, enter the System Setup program, and verify that thecontroller is enabled and the drives appear in the System Setup program.See "Entering the System Setup Program" on page 39.If the problem persists, see "Getting Help " on page 149 .6 Replace the front bezel. See "Installing the Front Bezel" on page 60.Troubleshooting an Internal Hard DriveCAUTION: 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 service andsupport team. Damage due to servicing that is not authorized by Dell is notcovered by your warranty. Read and follow the safety instructions that camewith the product.CAUTION: This troubleshooting procedure can destroy data stored on thehard drive. Before you proceed, back up all files on the hard drive.1 Run the appropriate Embedded System diagnostics test. See "Running theEmbedded System Diagnostics" on page 140.Depending on the results of the diagnostics test, proceed as neededthrough the following steps.2 If your system has a RAID controller and your hard drives are configured ina RAID array, perform the following steps:a Restart the system and enter the host adapter configuration utilityprogram by pressing for a PERC controller or for a SAS controller.See the documentation supplied with the host adapter for informationabout the configuration utility.b Ensure that the hard drive(s) have been configured correctly for theRAID array.c Take the hard drive offline and reseat the drive. See "Removing anInternal Hard Drive Bay" on page 67d Exit the configuration utility and allow the system to boot to theoperating system.