Dell Inspiron 1546 (Late 2009) - Manual (Page 6)

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Before You Begin
Dell™ Inspiron™ 1546 Service Manual
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
This manual provides procedures for removing and installing components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
l You have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer .
l You have read the safety information that shipped with your computer.
l A component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order.
Recommended Tools
The procedures in this document may require the following tools:
l Small flat-blade screwdriver
l Phillips screwdriver
l Plastic scribe
l BIOS executable update program available at support.dell.com
Turning Off Your Computer
1. Save and close all open files and exit all open programs.
2. Shut down the operating system:
Windows Vista®:
Click Start , click the arrow , and then click Shut Down.
Windows 7:
Click Start and then click Shut Down.
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.
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.
WARNING: 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: Only a certified service technician should perform repairs on your computer. 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 your 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.