Contents1 Working on your computer................................................................................ 8Safety instructions................................................................................................................................. 8Before working inside your computer..................................................................................................9Turning off your computer................................................................................................................... 9Turning off your computer — Windows 7......................................................................................9Turning off your computer — Windows 8....................................................................................10Turning off your computer — Windows 10..................................................................................10After working inside your computer...................................................................................................10System overview.....................................................................................................113 Removing and installing components............................................................ 15Recommended tools...........................................................................................................................15Press latch doors................................................................................................................................. 15Opening the press latch doors......................................................................................................15Closing the press latch doors........................................................................................................15Removing the press latch doors................................................................................................... 16Installing the press latch doors..................................................................................................... 16Stylus and tether.................................................................................................................................. 16Removing the stylus and tether.................................................................................................... 16Installing the stylus and tether.......................................................................................................17Battery.................................................................................................................................................. 17Hot swap battery............................................................................................................................17Removing the battery.................................................................................................................... 18Installing the battery...................................................................................................................... 18Hard drive.............................................................................................................................................18Removing the hard drive............................................................................................................... 18Installing the hard drive................................................................................................................. 19Optical drive.........................................................................................................................................19Removing the optical drive........................................................................................................... 19Installing the optical drive.............................................................................................................20Base cover........................................................................................................................................... 20Removing the base cover............................................................................................................. 20Installing the base cover................................................................................................................21Optical drive connector...................................................................................................................... 21Removing the optical drive connector......................................................................................... 21Installing the optical drive connector...........................................................................................22Hard drive tray..................................................................................................................................... 22Removing the hard drive tray........................................................................................................223