Dell W7M79 User Manual

Contents
1 Working on your computer............................................................................................................................. 6
Safety instructions............................................................................................................................................................. 6
Turning o your computer — Windows 10.....................................................................................................................6
Before working inside your computer..............................................................................................................................6
After working inside your computer.................................................................................................................................7
2 Technology and components..........................................................................................................................8
Processors.......................................................................................................................................................................... 8
DDR4................................................................................................................................................................................... 8
DDR4 Details.................................................................................................................................................................8
Memory Errors..............................................................................................................................................................9
USB features...................................................................................................................................................................... 9
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)............................................................................................................10
Speed........................................................................................................................................................................... 10
Applications.................................................................................................................................................................. 11
Compatibility................................................................................................................................................................ 11
USB Type-C.......................................................................................................................................................................12
Alternate Mode........................................................................................................................................................... 12
USB Power Delivery................................................................................................................................................... 12
USB Type-C and USB 3.1........................................................................................................................................... 12
Thunderbolt over Type-C...........................................................................................................................................12
Thunderbolt 3 over Type-C....................................................................................................................................... 13
Key Features of Thunderbolt 3 over USB Type-C .................................................................................................13
Thunderbolt Icons.......................................................................................................................................................13
HDMI 2.0............................................................................................................................................................................14
HDMI 2.0 Features......................................................................................................................................................14
Advantages of HDMI..................................................................................................................................................14
Advantages of DisplayPort over USB Type-C...............................................................................................................14
3 Removing and installing components............................................................................................................15
Recommended tools........................................................................................................................................................ 15
Screw size list....................................................................................................................................................................15
Small Form Factor Motherboard Layout........................................................................................................................16
Side cover.......................................................................................................................................................................... 17
Removing the side cover........................................................................................................................................... 17
Installing the side cover..............................................................................................................................................17
Expansion card.................................................................................................................................................................. 18
Removing expansion card..........................................................................................................................................18
Installing the expansion card..................................................................................................................................... 19
Coin cell battery............................................................................................................................................................... 20
Removing coin cell battery........................................................................................................................................20
Installing the coin cell battery....................................................................................................................................21
Hard drive assembly.........................................................................................................................................................22
Contents
3

Dell W7M79 Specifications

General

Brand	Dell
Model	W7M79
Category	Desktop
Language	English