Dell HR675 owner manual Action

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any 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.

1Run the appropriate online diagnostics test (see "Using Dell PowerEdge Diagnostics" on page 163).

Depending on the results of the diagnostics test, proceed as needed through the following steps.

2If you are experiencing problems with multiple hard drives, skip to step 6. For a problem with a single hard drive, continue to the next step.

3If 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.

bEnsure that the hard drive has been configured correctly for the RAID.

cExit the configuration utility and allow the system to boot to the operating system.

4Ensure 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.

5Verify that the controller is enabled and the drives appear in the System Setup program (see "Entering the System Setup Program" on page 41).

6Check the cable connections inside the system:

a Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

b Open the system (see "System Cover" on page 66).

c Remove the processor airflow shroud (see "Removing the Processor Airflow Shroud" on page 70).

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Troubleshooting Your System