7-20 Dell PowerEdge 6100/200 System Installation and Troubleshooting Guidewill issue the following signals using the drive indicatorlights adjacent to each SCSI hard-disk drive:• If a drive shows signs of imminent failure, the driveonline indicator turns off and the drive fault indicatorblinks on briefly each second.• If a drive has failed, the drive online indicator turnsoff and the drive fault indicator blinks off brieflyeach second.Other drive indicator patterns are listed in Table 3-3,“SCSI Hard-Disk Drive Indicator Patterns,” in Chapter 3.Troubleshooting the SCSI Hard-DiskDriveUse the following procedure to troubleshoot a hard-diskdrive problem.1. If the on-board SCSI host adapter is being used tocontrol the SCSI backplane board, restart thesystem and press when prompted to enterthe system setup program.See Chapter 4, “Using the System Setup Program,”in the system User’s Guide for more information.Is the Onboard SCSI-A ROM Scan category set toEnable?Yes. Go to step 3.No. Continue to step 2.2. Change the Onboard SCSI-A ROM Scan categoryto Enable, and reboot the system.Is the problem resolved?Yes. You have fixed the problem.No. Continue to step 3.3. Verify that the SCSI device drivers are installedand configured correctly.See Chapter 3, “Installing and Configuring SCSIDrivers,” in the system User’s Guide to determinewhich drivers are required and how they should beinstalled and configured.Are the required SCSI device drivers installed andconfigured correctly?Yes. Go to step 5.No. Continue to step 4.4. Reinstall and/or reconfigure the required SCSIdevice drivers. Then reboot the system.Is the problem resolved?Yes. You have fixed the problem.No. Continue to step 5.5. Remove the drive carrier from its bay, and checkthe cable connections between the drive and thedrive carrier. Reinstall the drive.See Chapter 10, “Installing Drives in the InternalBays” for more information.Is the problem resolved?Yes. The drive carrier was not firmly seated in theconnector on the SCSI backplane board, or the cablein the drive carrier was installed incorrectly. Youhave fixed the problem.No. Continue to step 6.6. Remove the drive carrier and install it in anotherdrive bay.Is the problem resolved?Yes. The SCSI backplane board has a defectiveconnector. See Chapter 11, “Getting Help,” forinstructions on obtaining technical assistance.No. Continue to step 7.7. Remove the computer covers.See “Removing the Computer Covers” earlier in thischapter.CAUTION: This troubleshooting procedure candestroy data stored on the hard-disk drive. Beforeyou proceed, make sure you have backed up allthe files on the hard-disk drive.CAUTION: See “Protecting Against ElectrostaticDischarge” in the safety instructions at the front ofthis guide.