Contents1 Working on your computer............................................................................................................................. 8Safety instructions............................................................................................................................................................. 8Before working inside your computer..............................................................................................................................8After working inside your computer.................................................................................................................................9Turning off your computer................................................................................................................................................ 9Turning off your computer — Windows 10...............................................................................................................9Turning off your computer — Windows 7................................................................................................................ 92 Chassis view................................................................................................................................................. 11System front view............................................................................................................................................................. 11System back view.............................................................................................................................................................12System side view(left)..................................................................................................................................................... 12System side view(Right)..................................................................................................................................................13System top view............................................................................................................................................................... 14Bottom view...................................................................................................................................................................... 15Hot key combination........................................................................................................................................................ 153 Removing and installing components............................................................................................................ 17Recommended tools.........................................................................................................................................................17Subscriber Identity Module(SIM) board.........................................................................................................................17Installing the Subscriber Identification Module (SIM) card................................................................................... 17Removing the Subscriber Identification Module (SIM) card.................................................................................18Base cover.........................................................................................................................................................................18Removing base cover.................................................................................................................................................18Installing base cover................................................................................................................................................... 19Battery............................................................................................................................................................................... 19Removing battery....................................................................................................................................................... 19Installing battery.........................................................................................................................................................20Solid State Drive — optional...........................................................................................................................................21Removing optional M.2 Solid State Drive (SSD).....................................................................................................21Installing optional M.2 SSD....................................................................................................................................... 22Hard drive..........................................................................................................................................................................22Removing hard drive assembly.................................................................................................................................22Installing hard drive assembly................................................................................................................................... 23Coin cell battery............................................................................................................................................................... 23Removing the coin cell battery.................................................................................................................................23Installing coin cell battery.......................................................................................................................................... 24WLAN card....................................................................................................................................................................... 24Removing WLAN card............................................................................................................................................... 24Installing WLAN card................................................................................................................................................. 25WWAN card (Optional)................................................................................................................................................... 25Removing the WWAN card.......................................................................................................................................26Installing the WWAN card.........................................................................................................................................26Contents 3