14 | Technical OverviewTechnical OverviewWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 11. After working inside your computer, follow the instructions in "AfterWorking Inside Your Computer" on page 13. For additional safety best practicesinformation, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.Inside View of Your Computer1 power-button assembly 2 converter board3 optical-drive assembly 4 power-supply unit5 hard-drive assembly 6 cooling vents7 processor heat-sink fan 8 processor heat-sink9 wireless mini-card 10 memory module(s)11 system board 12 mSATA mini-card13 coin-cell battery 14 trim cover15 I/O panel 16 power-supply fan1415123 6 712841310516119