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| Before Working Inside Your Computer
Safety Instructions
Use the following safety guidelines to protect your computer from potential damage and
make sure your personal safety.
WARNING: Before working inside your computer, read the safety
information that shipped with your computer. For additional safety best
practices , see the Regulatory Compliance at dell.com/regulatory_compliance.
WARNING: Disconnect all power sources before opening the computer cover or
panels. After you finish working inside the computer, replace all covers, panels,
and screws before connecting to the power source.
CAUTION: Only a certified service technician is authorized to remove the
computer cover and access any of the components inside the computer.
CAUTION: To avoid damaging the computer, make sure that the work surface is
flat and clean.
CAUTION: To disconnect a network cable, first unplug the cable from your
computer and then unplug the cable from the network device.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab,
not on the cable itself. Some cables have connectors with locking tabs or
thumb-screws that you must disengage before disconnecting the cable.
When disconnecting cables, keep them evenly aligned to avoid bending any
connector pins. When connecting cables, make sure that the connectors and
ports are correctly oriented and aligned.
CAUTION: Before touching anything inside your computer, ground yourself by
touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to
dissipate static electricity, which could harm internal components.
CAUTION: To avoid damaging the components and cards, handle them by their
edges and avoid touching pins and contacts.
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