1 Working on your computer............................................................................................................ 6
Safety instructions.................................................................................................................................................................6
Before working inside your computer........................................................................................................................... 6
Safety precautions...........................................................................................................................................................7
Electrostatic discharge—ESD protection.................................................................................................................... 7
ESD field service kit ........................................................................................................................................................8
After working inside your computer.............................................................................................................................. 8
2 Technology and components........................................................................................................10
Graphics options...................................................................................................................................................................10
Intel UHD 630 Graphics.................................................................................................................................................10
NVIDIA GeForce GT 730............................................................................................................................................... 10
AMD Radeon RX 640..................................................................................................................................................... 11
AMD Radeon R5 430.....................................................................................................................................................12
NVIDIA GeForce RTX 1660 SUPER............................................................................................................................. 13
NVIDIA GeForce RTX 2070 SUPER.............................................................................................................................13
System management features........................................................................................................................................... 14
Dell Client Command Suite for In-Band systems management ...................................................................14
3 Major components of your system................................................................................................16
4 Disassembly and reassembly........................................................................................................ 18
Side cover............................................................................................................................................................................. 18
Removing the side cover...............................................................................................................................................18
Installing the side cover................................................................................................................................................. 19
Front bezel............................................................................................................................................................................ 21
Removing the front bezel..............................................................................................................................................21
Installing the front bezel................................................................................................................................................ 21
Hard-drive assembly........................................................................................................................................................... 22
Removing the primary 2.5-inch hard-disk drive assembly....................................................................................... 22
Removing the secondary 2.5-inch hard-disk drive assembly...................................................................................23
Removing the 2.5-inch hard-disk drive bracket........................................................................................................ 24
Installing the 2.5-inch hard-disk drive bracket...........................................................................................................25
Installing the secondary 2.5-inch hard-disk drive assembly.....................................................................................26
Installing the primary 2.5-inch hard-disk drive assembly.......................................................................................... 27
3.5 in. hard-drive assembly................................................................................................................................................ 28
Removing the 3.5-inch hard-disk drive assembly......................................................................................................28
Removing the 3.5-inch hard-disk drive bracket........................................................................................................ 29
Installing the 3.5-inch hard-disk drive bracket...........................................................................................................30
Installing the 3.5-inch hard-disk drive assembly.........................................................................................................31
Solid-state drive...................................................................................................................................................................32
Removing the M.2 2230 PCIe solid-state drive.........................................................................................................32
Installing the M.2 2230 PCIe solid-state drive........................................................................................................... 33
Removing the M.2 2280 PCIe solid-state drive.........................................................................................................34
Contents
Contents 3