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Before You Begin
Dell™Inspiron™620sServiceManual
Technical Specifications
Recommended Tools
Turning Off Your Computer
Safety Instructions
This manual provides instructions for removing and installing the 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 Safety Instructions.
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 reverse order.
Technical Specifications
For information on technical specifications of your computer, see the Setup Guide at support.dell.com/manuals.
Recommended Tools
The instructions in this document may require the following tools:
l Small flat-blade screwdriver
l Small 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. To shut down the operating system, click Start and then click Shut Down.
3. Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the
power button until the computer turns off.
Safety Instructions
Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.
1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.
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: 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.
CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside the computer.