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Latitude™ XT2 XFR Service Manual
Page 23 of 94
Version A00-01
2.1 Before Working Inside Your XT2 XFR
Use the following safety guidelines to help protect your XT2 XFR 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 performed the steps in
Working on Your XT2 XFR.
• You have read the safety information that shipped with your XT2 XFR.
• A component can be replaced or--if purchased separately--installed by performing the removal
procedure in reverse order.
WARNING: Before working inside your XT2 XFR, read the safety information that
shipped with your XT2 XFR. For additional safety best practices information, see the
Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: Only a certified service technician should perform repairs on your XT2 XFR.
Damage due to servicing that is not authorized by Dell is not covered by your
warranty.
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 XT2 XFR and certain components may appear differently than shown in
this document.
To avoid damaging your XT2 XFR, perform the following steps before you begin working inside the XT2
XFR.
1. Ensure that your work surface is flat and clean to prevent the XT2 XFR cover from being
scratched.
2. Turn off your XT2 XFR (see
Turning Off Your XT2 XFR).
3. If the XT2 XFR is connected to a docking device (docked) such as the optional Media Base or
Battery Slice, undock it.
CAUTION: To disconnect a network cable, first unplug the cable from your XT2 XFR and
then unplug the cable from the network device.
4. Disconnect all network cables from the XT2 XFR.
5. Disconnect your XT2 XFR and all attached devices from their electrical outlets.
6. Close the display and turn the XT2 XFR upside-down on a flat work surface.
CAUTION: To avoid damaging the system board, you must remove the main battery
before you service the XT2 XFR.
7. Remove the main battery (see
Removing the Main Battery).
8. Turn the XT2 XFR top-side up.
9. Open the display.
10. Press the power button to ground the system board.