90 Troubleshooting Your System
6
Ensure that the interface cable is securely connected to the optical drive and to the controller.
7
Ensure that a power cable is properly connected to the drive.
8
Close the system. See "Closing the System" on page47.
9
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem is not resolved, see "Getting Help" on page103.
Troubleshooting a Hard Drive
Problem
Device driver error.
One or more hard drives not recognized by the system.
Action
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
NOTICE: This troubleshooting procedure can destroy data stored on the hard drive. Before you proceed, back up
all files on the hard drive.
1
Run the appropriate online diagnostics test. See "Using Dell PowerEdge Diagnostics" on page93.
Depending on the results of the diagnostics test, proceed as needed through the following steps.
2
If you are experiencing problems with multiple hard drives, skip to step5. For a problem with a single
hard drive, continue to the next step.
3
If your system has a SAS RAID controller, perform the following steps.
a
Restart the system and press <Ctrl><R> to enter the host adapter configuration utility program.
See the documentation supplied with the host adapter for information about the configuration
utility.
b
Ensure that the hard drive has been configured correctly for the RAID.
c
Exit the configuration utility and allow the system to boot to the operating system.
4
Ensure that the required device drivers for your SAS controller card or SAS RAID controller are
installed and are configured correctly. See the operating system documentation for more information.
5
Check the System Setup program to verify that the SAS controller is enabled and the hard drives
connected to the controller are detected.
6
Check the cable connections inside the system:
a
Turn off the system, including any attached peripherals, and disconnect the system from the
electrical outlet.