Dell Inspiron 20 3043 Service Manual

Contents

Before Working Inside YourComputerCAUTION: To avoid damaging the components and cards, handlethem by their edges and avoid touching pins and contacts.NOTE: The images in this document may differ from your computerdepending on the configuration you ordered.Before You Begin1 Save and close all open files and exit all open applications.2 Shut down your computer.– Windows 8.1: On the Start screen, click or tap the power icon →Shut down.NOTE: If you are using a different operating system, see thedocumentation of your operating system for shut-downinstructions.3 Disconnect your computer and all attached devices from their electricaloutlets.4 Disconnect all cables such as telephone cables, network cables and soon, from your computer.5 Disconnect all attached devices and peripherals, such as keyboard,mouse, monitor, and so on, from your computer.6 Remove any media card and optical disc from your computer, ifapplicable.CAUTION: Place the computer on a flat, soft and clean surface toavoid scratching the display.7 Place the computer face down on a flat and clean surface.Safety InstructionsUse the following safety guidelines to protect your computer from potentialdamage and ensure your personal safety.8