Dell Inspiron 1440 Manual de servicio - Página 3
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Before You Begin
Dell™ Inspiron™ 1440 Service Manual
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
This section provides procedures for removing and installing components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
You have performed the steps in
l
You have read the safety information that shipped with your computer.
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A component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order.
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Recommended Tools
The procedures in this document may require the following tools:
Small flat-blade screwdriver
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Phillips screwdriver
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Plastic scribe
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BIOS upgrade CD or the BIOS executable update program available on the Dell Support website at support.dell.com
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Turning Off Your Computer
CAUTION:
1. Save and close all open files and exit all open programs.
2. In Windows Vista
The computer turns off after the operating system shutdown process finishes.
3. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your operating system, press and hold the power button until the computer turns off.
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.
WARNING:
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION:
mounting bracket. Hold a component such as a processor by its edges, not by its pins.
CAUTION:
not covered by your warranty.
CAUTION:
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:
1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.
2. Turn off your computer (see
3. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.
Great user manuals database on
Turning Off Your Computer
To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.
®
, click Start
, click the arrow
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
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
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is
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
To avoid damaging the computer, perform the following steps before you begin working inside the computer.
Turning Off Your
Computer).
UserManuals.info
and
Before Working Inside Your
Computer.
, and then click Shut Down.