Contents1 Working on Your Computer................................................................................5Before Working Inside Your Computer................................................................................................ 5Turning Off Your Computer..................................................................................................................6After Working Inside Your Computer................................................................................................... 72 Docking Your Computer..................................................................................... 83 Removing and Installing Components............................................................. 9Recommended Tools............................................................................................................................9System Overview................................................................................................................................. 10Removing the Battery.......................................................................................................................... 11Installing the Battery............................................................................................................................12Removing the Base Cover...................................................................................................................12Installing the Base Cover.....................................................................................................................13Removing the mSATA SSD Card......................................................................................................... 13Installing the mSATA SSD Card........................................................................................................... 14Removing the WWAN Card.................................................................................................................14Installing the WWAN Card...................................................................................................................14Removing the WLAN Card.................................................................................................................. 14Installing the WLAN Card.................................................................................................................... 15Removing the Keyboard Trim............................................................................................................. 15Installing the Keyboard Trim............................................................................................................... 16Removing the Keyboard......................................................................................................................16Installing the Keyboard........................................................................................................................ 17Removing the Palmrest....................................................................................................................... 18Installing the Palmrest......................................................................................................................... 19Removing the SIM Board.................................................................................................................... 20Installing the SIM Board...................................................................................................................... 20Removing the Speakers.......................................................................................................................21Installing the Speakers........................................................................................................................ 22Removing the Display-Hinge Cover...................................................................................................22Installing the Display-Hinge Cover.....................................................................................................23Removing the Display Assembly.........................................................................................................23Installing the Display Assembly...........................................................................................................26Removing the System Board.............................................................................................................. 26Installing the System Board................................................................................................................ 28Removing the Heatsink Assembly...................................................................................................... 28Installing the Heatsink Assembly........................................................................................................ 293