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Dell Inspiron N5110 Service Manual: Before Working Inside Your Computer

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Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer from
potential damage and to help to ensure your own personal safety.
that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).
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.
computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.
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.
you begin working inside the computer.
1 Ensure that the work surface is flat and clean to prevent the computer
cover from being scratched.
2 Turn off your computer (see "Turning Off Your Computer" on page 9) and
all attached devices.
computer and then unplug the cable from the network device.
3 Disconnect all telephone or network cables from the computer.
4 Press and eject any installed cards from the 8-in-1 media card reader.
5 Disconnect your computer and all attached devices from their electrical
6 Disconnect all attached devices from your computer.
Before You Begin
Before working inside your computer, read the safety information
To avoid electrostatic discharge, ground yourself by using a wrist
Handle components and cards with care. Do not touch the components
Only a certified service technician should perform repairs on your
When you disconnect a cable, pull on its connector or on its pull-tab,
To avoid damaging the computer, perform the following steps before
To disconnect a network cable, first unplug the cable from your


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