Dell XPS 730X Service Manual

Also see for XPS 730: User guide Quick reference guide Quick setup Service manual Service manual

Contents

14 Before You BeginSafety InstructionsUse the following safety guidelines to help protect your computer frompotential damage and to help to ensure your own personal safety.WARNING: Before working inside your computer, read the safety informationthat shipped with your computer. For additional safety best practices information,see the Regulatory Compliance Homepage atwww.dell.com/regulatory_compliance.CAUTION: Only a certified service technician should perform repairs on yourcomputer. Damage due to servicing that is not authorized by Dell is not covered byyour 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 aredisconnecting this type of cable, press in on the locking tabs before youdisconnect the cable. As you pull connectors apart, keep them evenly aligned toavoid bending any connector pins. Also, before you connect a cable, ensure thatboth connectors are correctly oriented and aligned.CAUTION: To avoid damaging the computer, perform the following steps beforeyou begin working inside the computer.1 Ensure that the work surface is flat and clean to prevent the computercover from being scratched.2 Turn off your computer (see "Turning Off Your Computer" on page 13).CAUTION: To disconnect a network cable, first unplug the cable from yourcomputer and then unplug the cable from the network device.3 Disconnect all telephone or network cables from the computer.4 Disconnect your computer and all attached devices from their electricaloutlets.5 Press and hold the power button while the system is unplugged to groundthe system board.CAUTION: Before touching anything inside your computer, ground yourself bytouching 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.