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).
If the computer is connected to a docking device (docked),
undock it.
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.
Close the display and turn the computer upside-down on
a flat work surface.
NOTE: To avoid
damaging the system board, you must remove the main battery before
you service the computer.
Remove the main battery.
Turn the computer top-side up.
Open the display.
Press the power button to ground the system board.
CAUTION: To guard against electrical shock, always unplug your
computer from the electrical outlet before opening the display.
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.
Remove any installed ExpressCards or Smart Cards from the
appropriate slots.
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