![](/images/new-backgrounds/1180134/180134231x1.webp)
dVerify that the SAS or SATA cables are securely seated in their connectors.
eClose the system. See "Closing the System" on page 48.
fReconnect the system to the electrical outlet, and turn on the system and attached peripherals. If the problem persists, see "Getting Help" on page 131.
Troubleshooting a SAS Controller Card or SAS RAID Controller Daughter Card
NOTE: When troubleshooting a SAS RAID controller daughter card, also see the documentation for your operating system and the SAS RAID controller daughter card.
Problem
•Error message indicates a problem with the SAS controller card or SAS RAID controller daughter card.
•SAS controller card or SAS RAID controller daughter card performs incorrectly or not at all.
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.
1Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 121.
2Enter the System Setup program and ensure that the SAS controller card or SAS RAID controller daughter card is enabled. See "Using the System Setup Program" on page 33.
3Restart the system and press the applicable key sequence to enter the configuration utility program:
•<Ctrl><C> for a SAS controller
•<Ctrl><R> for a SAS RAID controller daughter card
See the controller's documentation for information about configuration settings.
4Check the configuration settings, make any necessary corrections, and restart the system. If the problem is not resolved, continue to the next step.
5Remove the bezel. See "Removing the Bezel" on page 46.
6Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
7Open the system. See "Opening the System" on page 48.
8Ensure that the controller card is firmly seated into the system board connector. If your system uses a SAS controller expansion card, see "Installing an Expansion Card" on page 57. If your system uses a SAS RAID controller daughter card, see "SAS RAID Controller Daughter Card" on page 92.
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Troubleshooting Your System