Dell PowerVault DL2000 Hardware Owner's Manual page 148

support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1 Run the appropriate online diagnostic test. See "Using Server
Administrator Diagnostics" on page 153.
2 Enter the System Setup program and ensure that the SAS controller
daughter card is enabled. See "Using the System Setup Program" on
page 45.
3 Restart the system and press the following key sequence to enter the
configuration utility program:
• <Ctrl><C> for a SAS controller
See the controller's documentation for information about configuration
settings.
4 Check the configuration settings, make any necessary corrections, and
restart the system.
If the problem is not resolved, continue to the next step.
5 Remove the bezel. See "Removing the Front Bezel" on page 65.
6 Turn off the system and attached peripherals, and disconnect the system
from its electrical outlet.
7 Open the system. See "Opening and Closing the System" on page 66.
8 Ensure that the controller card is firmly seated in its connector. See "SAS
Controller Daughter Card" on page 85.
9 Verify that the cable connections between the SAS backplane(s) and the
SAS controller daughter card are correct. See "Installing a SAS Controller
Daughter Card" on page 85.
10 Ensure that the cables are firmly connected to the SAS controller daughter
card and the SAS backplane board.
11 Close the system. See "Opening and Closing the System" on page 66.
12 Reconnect the system to its electrical outlet, and turn on the system and
attached peripherals. If the problem persists, see "Getting Help" on
page 167.
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Troubleshooting Your System