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The steps in removing the logic board assembly are:
The following sections describe the steps.
To remove the logic board from the computer, the user must first gain access to the bottom of the computer by placing the computer face down on a soft cloth, as shown in Figure 4-1 .
Figure 4-1 Bottom view showing bottom cover handle
The bottom cover is held in place by a retaining screw located on the bottom cover and accessible through the opening in the handle. After removing the screw, the user can remove the cover by pulling up and out on the handle.
Several signal cables are connected to the back of the logic board assembly, as shown in Figure 4-2 . Those must be disconnected and freed from their clamps. Once the cables and clamps are disconnected, the user should position the cables to either side of the logic board assembly, as shown in Figure 4-3 .
Figure 4-2 Cables connected to the logic board assembly
A slot-shaped handle is located at the back end of the logic board assembly. The retaining screws are located inside the slot in the handle, as shown in Figure 4-3 .
Figure 4-3 Logic board assembly handle and retaining screws
With the retaining screws removed and the cables positioned to the sides, the user can remove the logic board assembly by pulling upward on the handle, as shown in Figure 4-4 .
Figure 4-4 Removing the logic board assembly
While removing and reinstalling the logic board assembly, you should take care to align the door of the CD drive with the opening in the front of the case.