Locating componentsFigure 3 “Component locations” on page 11 shows the locations of the various components in yourcomputer. To remove the computer cover, see “Removing the computer cover” on page 32.Figure3. Component locations1 Heat sink and fan assembly 6 PCI card (installed in some models)2 Memory modules 7 Cover presence switch (also called intrusion switch)3 Optical drive 8 Rear fan assembly4 Front audio and USB assembly 9 Power supply assembly5 Internal speaker (available on some models) 10 MicroprocessorChapter 1. Product overview 11