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CAUTION:
computer cover and access any of the components inside the computer. See the
safety instructions for complete information about safety precautions, working
inside your computer, and protecting against electrostatic discharge.
CAUTION:
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:
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, ensure that the connectors and ports are correctly
oriented and aligned.
CAUTION:
computer and then unplug the cable from the network device.
Recommended Tools
The procedures in this document may require the following tools:
•
Small Phillips screwdriver
•
Hex nut driver
Flash BIOS executable update program available at support.dell.com
•
14
Before you Begin
Only a certified service technician is authorized to remove the
Before touching anything inside your computer, ground yourself by
When you disconnect a cable, pull on its connector or on its pull-tab,
To disconnect a network cable, first unplug the cable from your
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