Dell OptiPlex 380 Service Manual

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Dell OptiPlex 380 Service Manual Manual pdf 48 page image

Back to Contents PageWorking on Your ComputerDell™ OptiPlex™ 380 Service Manual—Small Form FactorBefore Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted,each procedure included in this document assumes that the following conditions exist: You have performed the steps in Working on Your Computer. You have read the safety information that shipped with your computer. A component can be replaced or—if purchased separately—installed by performing the removal procedure in reverse order.To avoid damaging your computer, perform the following steps before you begin working inside the computer.1. Ensure that your work surface is flat and clean to prevent the cover from being scratched.2. Turn off your computer (see Turning Off Your Computer).3. Disconnect all network cables from the computer.4. Disconnect your computer and all attached devices from their electrical outlets.5. Press and hold the power button while the computer is unplugged to ground the system board.6. Remove the cover.Recommended ToolsThe procedures in this document may require the following tools: Small flat-blade screwdriver Phillips screwdriver Small plastic scribe Flash BIOS update program mediaTurning Off Your Computer1. Shut down the operating system: In Windows Vista®:Click Start , then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down. In Windows® XP:Before Working Inside Your ComputerRecommended ToolsTurning Off Your ComputerAfter Working Inside Your ComputerWARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices 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 isnot covered by your warranty.CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metalsurface, such as a connector on the back of the 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 metalmounting bracket. Hold a component such as a processor by its edges, not by its pins.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 lockingtabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keepthem evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly orientedand aligned.NOTE: The color of your computer and certain components may appear differently than shown in this document.CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the backof the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internalcomponents.CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

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