Contents1 Working on your computer................................................................................ 8Before working inside your computer..................................................................................................8Turning off your computer................................................................................................................... 9Turning off your computer — Windows 10....................................................................................9Turning off your computer — Windows 8......................................................................................9Turning off your computer — Windows 7....................................................................................10After working inside your computer...................................................................................................10Opening the press latch doors........................................................................................................... 102 System overview................................................................................................. 12System top view...................................................................................................................................12System front view................................................................................................................................ 13System back view................................................................................................................................ 14System base view.................................................................................................................................15System side view..................................................................................................................................163 Removing and installing components............................................................ 18Recommended tools...........................................................................................................................18Removing the stylus and tether.......................................................................................................... 18Installing the stylus and tether............................................................................................................ 19Removing the battery..........................................................................................................................19Installing the battery............................................................................................................................19Removing the base cover................................................................................................................... 20Installing the base cover..................................................................................................................... 20Removing the keyboard and keyboard door..................................................................................... 20Installing the keyboard and keyboard door........................................................................................21Removing the hard drive.....................................................................................................................22Installing the hard drive.......................................................................................................................22Removing the system fan................................................................................................................... 22Installing the system fan..................................................................................................................... 23Removing the Micro-Electro-Mechanical Systems (MEMS) board...................................................23Installing the MEMS board.................................................................................................................. 24Removing the USH board................................................................................................................... 24Installing the USH board..................................................................................................................... 25Removing the Global Positioning System (GPS) module.................................................................. 25Installing the Global Positioning System (GPS) module.................................................................... 26Removing the fingerprint reader........................................................................................................ 26Installing the fingerprint reader.......................................................................................................... 273