4.Replace the hard drive.
5.Replace the optical fan.
6.Replace the optical drive, flex drive cable and screws, and optical drive sensor cable.
7.Replace the logic board.
8.Replace the right speaker.
9.Replace the display panel.
10.Replace the front bezel.
11.Clean and replace the glass panel. Note: This step is very important. Follow the procedures to ensure the glass is clean and free of particles.