Table Of Contents - Dell 8DEHV7YR Service Manual

Table of Contents

1 Working on your computer............................................................................................................................. 6

Safety instructions............................................................................................................................................................. 6

Turning off 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

HDMI 2.0............................................................................................................................................................................12

HDMI 2.0 Features......................................................................................................................................................12

Advantages of HDMI.................................................................................................................................................. 12

3 Removing and installing components............................................................................................................13

Recommended tools.........................................................................................................................................................13

Screw size list....................................................................................................................................................................13

Tower motherboard layout...............................................................................................................................................14

Side cover..........................................................................................................................................................................15

Removing side cover.................................................................................................................................................. 15

Installing side cover.................................................................................................................................................... 15

Front Bezel........................................................................................................................................................................ 16

Removing front bezel................................................................................................................................................. 16

Installing front bezel....................................................................................................................................................17

Front panel door................................................................................................................................................................18

Opening front panel door...........................................................................................................................................18

Closing front panel door.............................................................................................................................................19

Hard drive assembly-3.5-inch and 2.5-inch............................................................................................................... 20

Removing 3.5-inch hard drive ................................................................................................................................ 20

Installing 3.5-inch hard drive ...................................................................................................................................22

Removing the 2.5-inch hard drive assembly..........................................................................................................24

Removing the 2.5-inch drive from the drive bracket........................................................................................... 25

Installing the 2.5-inch hard drive into the hard drive bracket.............................................................................. 26

Installing the 2.5-inch drive assembly......................................................................................................................26

Optical drive...................................................................................................................................................................... 27

Removing optical drive.............................................................................................................................................. 27

Installing optical drive................................................................................................................................................ 28

Contents