Dell Inspiron 15 3000 Series Service Manual

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Contents

Safety instructionsUse the following safety guidelines to protect your computer from potentialdamage and ensure your personal safety.WARNING: Before working inside your computer, read the safety informationthat shipped with your computer. For more safety best practices, see theRegulatory Compliance home page at www.dell.com/regulatory_compliance.WARNING: Disconnect all power sources before opening the computer coveror panels. After you finish working inside the computer, replace all covers,panels, and screws before connecting to the power source.CAUTION: To avoid damaging the computer, ensure that the work surface isflat and clean.CAUTION: To avoid damaging the components and cards, handle them bytheir edges and avoid touching pins and contacts.CAUTION: You should only perform troubleshooting and repairs as authorizedor directed by the Dell technical assistance team. Damage due to servicingthat is not authorized by Dell is not covered by your warranty. See the safetyinstructions that shipped with the product or at www.dell.com/regulatory_compliance.CAUTION: Before touching anything inside your computer, ground yourselfby touching an unpainted metal surface, such as the metal at the back of thecomputer. While you work, periodically touch an unpainted metal surface todissipate static electricity, which could harm internal components.CAUTION: When you disconnect a cable, pull on its connector or on its pulltab, not on the cable itself. Some cables have connectors with locking tabs orthumb-screws that you must disengage before disconnecting the cable. Whendisconnecting cables, keep them evenly aligned to avoid bending anyconnector pins. When connecting cables, ensure that the ports andconnectors are correctly oriented and aligned.CAUTION: Press and eject any installed card from the media-card reader.Recommended toolsThe procedures in this document may require the following tools:Before working inside your computer 10