3. The top cover is secured by two screws on each side of thecomputer. The two screws on the left side of the unit arecovered by small plastic inserts, as shown below. Gentlyremove the inserts with a small screwdriver; then removethe screws on both sides of the computer. Put the screwsand inserts safely aside.4. Tilt the cover up slightly from the back and pull it towardyou and away from the computer, as shown below. Set thecover aside for now.Installing Option Cards 4-3