Lenovo 8174, 8177, 8175, 8084, 8149, 8126, 8085, 8148, 8147, 8176 Removing and replacing the power supply

5.Install the new battery.

6.Replace any adapters that were removed to gain access to the battery.

7.Go to “Installing the cover and connecting cables” on page 116.

Note: Use the Setup Utility program to set the date and time and any passwords. See Chapter 6, “Using the Setup Utility,” on page 55.

Removing and replacing the power supply

Attention

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no servicable parts inside these components.

1.Remove the cover. See “Removing the cover” on page 106.

2.Disconnect all power supply cables from the system board and the drives. See “Identifying parts on the system board” on page 108.

3.Remove the four screws that hold the power supply in place.

4.Lift the power supply out.

Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 111