4Replace the three screws that secure the SAS mezzanine-card assembly to the system-board assembly. See Figure 3-13.

5Reconnect all the cables to the SAS mezzanine card.

6Replace the system-board assembly. See "Installing a System-Board Assembly" on page 88.

7Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.

Removing the 10GbE Mezzanine Card

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and 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.

1Turn off the system, including any attached peripherals, and disconnect the system from its electrical outlet.

2Remove the system-board assembly. See "Removing a System-Board Assembly" on page 87.

3Disconnect all the cables from the 10GbE mezzanine card.

4Remove the three screws that secure the 10GbE mezzanine-card assembly. See Figure 3-15.

5Lift the 10GbE mezzanine-card assembly away from the mezzanine- card bridge board on the system board. See Figure 3-15.

Installing System Components 103

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Dell C6145 manual Removing the 10GbE Mezzanine Card