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CHAPTER 1: BEFORE YOU BEGIN
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your computer and then unplug the cable from the network device.
CAUTION: To help prevent damage to the system board, you must remove
the battery from the battery bay before you service the computer.
CAUTION: To avoid damage to the computer, use only the battery
designed for this particular Dell computer. Do not use batteries designed
for other Dell computers.
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Before Working Inside Your Computer
WARNING: Before you begin any of the procedures in this section, follow
the safety instructions that shipped with your computer. For additional
safety best practices information, see the Regulatory Compliance
Homepage at www.dell.com/regulatory_compliance.
CAUTION: Handle components and cards with care. Do not touch the
components or contacts on a card. Hold a card by its edges. Hold a
component such as a processor by its edges, not by its pins.
your computer. Damage due to servicing that is not authorized by Dell is
not covered by your warranty.
CAUTION: When you disconnect a cable, pull on its connector or on its
pull-tab, not onthecable itself. Some cableshaveconnectorswith 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.
CAUTION: To avoid damaging the computer, perform the following steps
before you begin working inside the computer.
