• Read “Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 to ensure that youwork safely.• Power off the server and peripheral devices and disconnect the power cords and all external cables. See“Power off the server” on page 62.• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices withan electrostatic-discharge wrist strap or other grounding system.ProcedureStep 1. Make preparation for the task.a. Access the Lenovo XClarity Controller; then, select Network in BMC Configuration anddisable Ethernet Port 2.b. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to thetop cover, or remove the server from the rack. See “Remove the server from rack” on page 63.c. Remove the top cover. See “Remove the top cover” on page 277.d. If your server comes with a riser 1 assembly, remove it first. See “Remove a rear riserassembly” on page 232.Step 2. Disconnect the cable on the management NIC adapter.Step 3. Remove the management NIC adapter.Figure 116. Removing the management NIC adaptera. Loosen the screw that secures the management NIC adapter.b. Press and hold the blue latch.c. Push the management NIC adapter by the latch out from the chassis.After you finish1. Install a replacement unit or a filler. See “Install the management NIC adapter” on page 158.2. If you are instructed to return the component or optional device, follow all packaging instructions, anduse any packaging materials for shipping that are supplied to you.Chapter 5. Hardware replacement procedures 157