Use the following safety guidelines to help protect your computer
from potential damage and to help to ensure your personal safety.
Unless otherwise noted, each procedure included in this document assumes
that the following conditions exist:
You have read the safety information that shipped
with your computer.
A component can be replaced or--if purchased separately--installed
by performing the removal procedure in reverse order.
NOTE: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.
NOTE:Before
working inside your computer, read the safety information that shipped
with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at www.Dell.com/regulatory_compliance
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 avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface,
such as a connector on the back of the computer.
CAUTION:Handle
components and cards with care. Do not touch the components or contacts
on a card. Hold a card by its edges or by its metal mounting bracket.
Hold a component such as a processor by its edges, not by its pins.
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; if you are disconnecting this type of cable, press in on the
locking tabs before you disconnect the cable. As you pull connectors
apart, keep them evenly aligned to avoid bending any connector pins.
Also, before you connect a cable, ensure that both connectors are
correctly oriented and aligned.
NOTE:The color
of your computer and certain components may appear differently than
shown in this document.
To avoid damaging your
computer, perform the following steps before you begin working inside
the computer.
Ensure that your work surface is flat and
clean to prevent the computer cover from being scratched.
Turn off your computer (see Turning off
your computer).
CAUTION:To disconnect a network cable, first unplug the cable
from your computer and then unplug the cable from the network device.
Disconnect all network cables from the computer.
Disconnect your computer and all attached
devices from their electrical outlets.
Press and hold the power button while the computer
is unplugged to ground the system board.
Remove the cover.
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.
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