Dell OptiPlex 3070 Tower - Default Chapter; Table of Contents

Chapter 1: Working on your computer........................................................................................... 5
Safety instructions.............................................................................................................................................................. 5
Before working inside your computer.......................................................................................................................5
Safety precautions........................................................................................................................................................ 6
Electrostatic discharge—ESD protection............................................................................................................... 6
ESD field service kit ..................................................................................................................................................... 7
Transporting sensitive components.......................................................................................................................... 8
After working inside your computer..........................................................................................................................8
Chapter 2: Technology and components........................................................................................ 9
DDR4.......................................................................................................................................................................................9
USB features.......................................................................................................................................................................10
USB Type-C.........................................................................................................................................................................12
Advantages of DisplayPort over USB Type-C............................................................................................................ 12
HDMI 2.0.............................................................................................................................................................................. 13
Intel Optane memory.........................................................................................................................................................13
Enabling Intel Optane memory.................................................................................................................................. 14
Disabling Intel Optane memory................................................................................................................................. 14
Chapter 3: Major components of your system.............................................................................. 15
Chapter 4: Removing and installing components.......................................................................... 17
Disassembly and reassembly............................................................................................................................................17
Side cover...................................................................................................................................................................... 17
Bezel................................................................................................................................................................................18
Front panel door.......................................................................................................................................................... 20
Hard drive assembly—3.5-inch and 2.5-inch....................................................................................................... 22
Optical drive..................................................................................................................................................................29
M.2 PCIe SSD ..............................................................................................................................................................33
SD card reader............................................................................................................................................................. 35
Memory module............................................................................................................................................................37
Expansion card............................................................................................................................................................. 39
Optional VGA module.................................................................................................................................................. 41
Power supply unit........................................................................................................................................................ 43
Intrusion switch............................................................................................................................................................47
Power button................................................................................................................................................................49
Speaker.......................................................................................................................................................................... 53
Coin cell battery...........................................................................................................................................................55
Heat sink fan.................................................................................................................................................................57
Heatsink assembly.......................................................................................................................................................59
Processor....................................................................................................................................................................... 61
System fan.................................................................................................................................................................... 63
System board................................................................................................................................................................67
Contents
Contents 3