ContentsNotes, Cautions, and Warnings..................................................................21 Working on Your Computer......................................................................7Before Working Inside Your Computer.............................................................................7Recommended Tools.........................................................................................................8Turning Off Your Computer................................................................................................8After Working Inside Your Computer................................................................................92 Cover..........................................................................................................11Removing The Cover.......................................................................................................11Installing The Cover.........................................................................................................123 Front Bezel.................................................................................................13Removing The Front Bezel...............................................................................................13Installing The Front Bezel................................................................................................144 Expansion Card.........................................................................................15Removing The Expansion Cards......................................................................................15Installing The Expansion Card.........................................................................................165 Fan..............................................................................................................17Removing The Fan...........................................................................................................17Installing The Fan............................................................................................................186 Memory......................................................................................................19Removing The Memory...................................................................................................19Installing The Memory.....................................................................................................207 Optical Drive..............................................................................................21Removing The Optical Drive............................................................................................21