The F4 screws are located along the two long sides of the edge of the battery panel. The F6 screws are located along the opposite side of the bottom of the laptop from the battery. The F10 screws are located at each of the four corners of the bottom of the laptop.

Remove all screws labeled F4, F6, and B10 from the back panel using the Phillips #00 screwdriver.

There should be 8 F4 screws, 6 F6 screws, and 3 B10 screws.

(If screws are severely stripped, the use of pliers and tweezers may be necessary.