Lenovo IdeaCentre K410 Power Supply Unit Replacement

Lay the computer down on its side as shown.

Remove the two 14mm screws shown. The screws are loose enough to unscrew with your hands.

Gently slide the side panel straight back and remove from the computer.

Unplug both sets of wires attaching the power supply unit to the motherboard.

Unplug all cords attached to the optical drive and hard drive.

Using the Phillips #2 driver, unscrew the four 8mm screws attaching the power supply unit to the outside of the computer.

Remove the power supply unit by pulling away from the screw side and then out.