Contents1 Working on your computer.................................................................................5Safety instructions................................................................................................................................. 5Before working inside your computer..................................................................................................6Turning off your computer................................................................................................................... 6After working inside your computer..................................................................................................... 72 Removing and installing components.............................................................. 8Recommended tools.............................................................................................................................8Removing the battery............................................................................................................................8Installing the battery..............................................................................................................................8Removing the base cover..................................................................................................................... 9Installing the base cover....................................................................................................................... 9Removing the keyboard........................................................................................................................ 9Installing the keyboard........................................................................................................................ 10Removing the hard drive assembly.....................................................................................................10Installing the hard drive assembly....................................................................................................... 11Removing the hard drive bracket........................................................................................................ 11Installing the hard drive bracket.......................................................................................................... 11Removing the WLAN card................................................................................................................... 12Installing the WLAN card..................................................................................................................... 12Removing the memory module..........................................................................................................12Installing the memory module............................................................................................................13Removing the palmrest....................................................................................................................... 13Installing the palmrest......................................................................................................................... 14Removing the coin cell battery...........................................................................................................14Installing the coin cell battery............................................................................................................. 15Removing the USB board.................................................................................................................... 15Installing the USB board......................................................................................................................16Removing the VGA board....................................................................................................................16Installing the VGA board......................................................................................................................16Removing the speakers....................................................................................................................... 17Installing the speakers......................................................................................................................... 17Removing the system fan....................................................................................................................18Installing the system fan......................................................................................................................18Removing the display cable................................................................................................................ 19Installing the display cable.................................................................................................................. 19Removing the power connector port.................................................................................................19Installing the power connector port.................................................................................................. 203