User Manual

Table Of Contents
Installing and removing system components
Topics:
Safety instructions
Before working inside your system
After working inside your system
Recommended tools
System cover
Front bezel
Hard drives
PSU assembly
Power supply unit
Expansion cards
Memory module
System battery
Optical drive
Speaker
System fan
Intrusion switch
Processor and heatsink
System board
Control panel
Power button module
Safety instructions
About this task
NOTE: 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
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that came with the product.
CAUTION: To ensure proper operation and cooling, all bays in the system must be always populated with a
component or a blank.
NOTE: It is recommended that you always use an antistatic mat to place the system. components and antistatic strap that
is connected to a grounded work bench while working on the components inside the system
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Installing and removing system components 33