Dell Latitude 7280 - Working on your computer

Chapter 1: Working on your computer............................................................................................7
Turning off your — Windows........................................................................................................................................... 7
Turning off your computer — Windows 8.....................................................................................................................7
Turning off your computer — Windows 7.....................................................................................................................7
Before working inside your computer.............................................................................................................................8
Safety instructions.............................................................................................................................................................. 8
After working inside your computer................................................................................................................................9
Chapter 2: Disassembly and reassembly.......................................................................................10
Screw size list..................................................................................................................................................................... 10
Recommended tools...........................................................................................................................................................11
Subscriber Identification Module (SIM) card...............................................................................................................11
Removing SIM card or SIM card tray.......................................................................................................................11
Replacing SIM card...................................................................................................................................................... 12
Base cover........................................................................................................................................................................... 12
Removing base cover.................................................................................................................................................. 12
Installing base cover.................................................................................................................................................... 14
Battery.................................................................................................................................................................................. 14
Lithium-ion battery precautions............................................................................................................................... 14
Removing battery.........................................................................................................................................................14
Installing battery...........................................................................................................................................................15
PCIe Solid State Drive (SSD)..........................................................................................................................................15
Removing PCIe SSD.................................................................................................................................................... 15
Installing PCIe SSD...................................................................................................................................................... 16
Speaker.................................................................................................................................................................................16
Removing speaker module......................................................................................................................................... 16
Installing speaker module........................................................................................................................................... 18
Coin-cell battery.................................................................................................................................................................18
Removing the coin cell battery................................................................................................................................. 18
Installing coin cell battery...........................................................................................................................................19
WWAN card.........................................................................................................................................................................19
Removing WWAN card............................................................................................................................................... 19
Installing WWAN card.................................................................................................................................................20
WLAN card..........................................................................................................................................................................20
Removing WLAN card................................................................................................................................................ 20
Installing WLAN card................................................................................................................................................... 21
Memory modules................................................................................................................................................................ 21
Removing memory module.........................................................................................................................................21
Installing memory module.......................................................................................................................................... 22
Heat sink .............................................................................................................................................................................22
Removing heat sink assembly...................................................................................................................................22
Installing heat sink assembly..................................................................................................................................... 23
Power connector port...................................................................................................................................................... 23
Removing power connector port.............................................................................................................................23
Contents
Contents 3