Contents1 Working on your computer.............................................................................................................................6Before working inside your computer............................................................................................................................. 6Safety instructions............................................................................................................................................................. 7After working inside your computer................................................................................................................................ 7Turning off your computer — Windows 10....................................................................................................................82 Removing and installing components............................................................................................................. 9Recommended tools..........................................................................................................................................................9Subscriber Identification Module (SIM) card................................................................................................................. 9Removing SIM card or SIM card tray........................................................................................................................9Base cover.......................................................................................................................................................................... 9Removing base cover.................................................................................................................................................. 9Installing base cover....................................................................................................................................................11Battery................................................................................................................................................................................ 11Removing battery........................................................................................................................................................11Installing battery.......................................................................................................................................................... 11PCIe Solid State Drive (SSD)..........................................................................................................................................12Removing PCIe SSD card..........................................................................................................................................12Installing PCIe SSD..................................................................................................................................................... 13Speaker.............................................................................................................................................................................. 13Removing speaker module........................................................................................................................................ 13Installing speaker module...........................................................................................................................................14Coin cell battery................................................................................................................................................................14Removing the coin cell battery................................................................................................................................. 14Installing coin cell battery.......................................................................................................................................... 15WWAN card...................................................................................................................................................................... 16Removing WWAN card..............................................................................................................................................16Installing WWAN card................................................................................................................................................ 16WLAN card........................................................................................................................................................................ 17Removing WLAN card................................................................................................................................................17Installing WLAN card..................................................................................................................................................18Memory module................................................................................................................................................................ 18Removing memory module........................................................................................................................................18Installing memory module.......................................................................................................................................... 19Heat sink............................................................................................................................................................................ 19Removing heat sink assembly................................................................................................................................... 19Installing heat sink assembly.....................................................................................................................................20Power connector port.....................................................................................................................................................20Removing power connector port.............................................................................................................................20Installing power connector port................................................................................................................................21LED board......................................................................................................................................................................... 22Removing LED board.................................................................................................................................................22Installing LED board................................................................................................................................................... 22Contents 3