Chapter 4: Installing And Removing System Components; Safety Instructions - Dell EMC PowerEdge R640 WNW58 Installation And Service Manual

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Installing and removing system components
Topics:

Safety instructions

Before working inside your system
After working inside your system
Recommended tools
Optional front bezel
System cover
Drives
Backplane cover
Inside the system
Air shroud
Cooling fans
System memory
NVDIMM-N battery
Processors and heat sinks
Expansion cards and expansion card risers
M.2 SSD module
Optional IDSDM or vFlash module
Optional IDSDM or vFlash module
Network daughter card
Integrated storage controller card
Backplane
Cable routing
SAS expander card
Rear drive cage
System battery
USB module
VGA module
Optional internal USB memory key
Optical drive (optional)
Power supply units
System board
Trusted Platform Module
Control panel
Safety instructions
NOTE:
Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the system by
yourself.
WARNING:
Opening or removing the system cover while the system is powered on may expose you to a risk of
electric shock.
CAUTION:
Do not operate the system without the cover for a duration exceeding five minutes. Operating the
system without the system cover can result in component damage.
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
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Installing and removing system components
4

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