8If you have a SAS RAID controller, ensure that the following components are properly installed and connected:
•Memory module
•RAID battery
9Verify that the cable connections between the backplane and the SAS controller are correct. See "SAS Backplane
10Close the system. See "Opening and Closing the System" on page 46.
11Reconnect the system to its electrical outlet, and turn on the system and attached peripherals. If the problem persists, proceed as follows:
•If you have a SAS controller, see "Getting Help" on page 129.
•If you have a RAID controller, replace the RAID battery. See "Installing the SAS RAID Controller Card Battery" on page 76. If replacing the battery does not solve the problem, see "Getting Help" on page 129.
Troubleshooting an External SAS Tape Drive
Problem
•Defective tape drive
•Defective tape cartridge
•Missing or corrupted
•Defective SAS controller
Action
1Remove the tape cartridge you were using when the problem occurred, and replace it with a tape cartridge that you know works.
2Ensure that the device drivers for the tape drive are installed and are configured correctly.
3Run the appropriate online diagnostics tests. See "Using Dell PowerEdge Diagnostics" on page 117.
4Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
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.
5Open the system. See "Opening and Closing the System" on page 46.
6Ensure that the controller card is firmly seated in its connector on the system board.
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Troubleshooting Your System
