116 Troubleshooting Your Systemd Verify that the SAS or SATA cables are securely seated in their connectors.e Close the system. See "Closing the System" on page 48.f Reconnect 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 ControllerDaughter CardNOTE: When troubleshooting a SAS RAID controller daughter card, also see the documentation for your operatingsystem 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.ActionCAUTION: Only trained service technicians are authorized to remove the system cover and access any of thecomponents inside the system. Before performing any procedure, see your Product Information Guide forcomplete information about safety precautions, working inside the computer and protecting against electrostaticdischarge.1 Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 121.2 Enter the System Setup program and ensure that the SAS controller card or SAS RAID controllerdaughter card is enabled. See "Using the System Setup Program" on page 33.3 Restart the system and press the applicable key sequence to enter the configuration utility program:• for a SAS controller• for a SAS RAID controller daughter cardSee 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 Bezel" on page 46.6 Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.7 Open the system. See "Opening the System" on page 48.8 Ensure that the controller card is firmly seated into the system board connector. If your system uses aSAS controller expansion card, see "Installing an Expansion Card" on page 57. If your system uses aSAS RAID controller daughter card, see "SAS RAID Controller Daughter Card" on page 92.