Dell 320 manual Replacing the Power Supply

Page 40

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Power Supply

Dell™ OptiPlex™ 320 User's Guide

Replacing the Power Supply

DC Power Connectors

Replacing the Power Supply

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

1.Follow the procedures in Before You Begin.

2.Disconnect the DC power cables from the system board and the drives.

Note the routing of the DC power cables underneath the tabs in the computer chassis as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.

3.Remove the two screws that attach the power supply to the back of the computer chassis.

4.Remove the CD/DVD drive and carefully set it aside (see CD/DVD Drive).

5.Press the release button located on the floor of the computer chassis.

1release button

2power supply

3screws (2)

4AC power connector

6.Slide the power supply toward the front of the computer by approximately 1 inch.

7.Lift the power supply up and out of the computer.

8.Slide the replacement power supply into place.

9.Replace the screws that secure the power supply to the back of the computer chassis.

10.Reconnect the DC power cables.

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Contents Dell OptiPlex 320 Users Guide Advanced Features LegacySelect Technology ControlManageability SecurityPassword Protection System PasswordOption Settings Assigning a System PasswordDeleting or Changing an Existing System Password Administrator PasswordAssigning an Administrator Password System Setup Disabling a Forgotten Password and Setting a New PasswordEntering System Setup System Setup ScreensSystem Setup Options SystemPS/2 Boot Sequence UnlockedBooting to a USB Device Changing Boot Sequence for the Current BootChanging Boot Sequence for Future Boots Memory KeyJumper Setting Description Clearing Forgotten PasswordsFloppy Drive Clearing Cmos Settings Power ManagementHyper-Threading Click Hardware and click Device ManagerSleep Mode Wake-Up Methods Windows XP Battery Back to Contents Before You Begin Recommended ToolsTurning Off Your Computer Before Working Inside Your ComputerPage Cleaning Your Computer Computer, Keyboard, and MonitorMouse CDs and DVDsBack to Contents Connecting Multiple Monitors Connecting Two to Three Monitors Using Surround ViewChanging the Display Settings About Your Desktop Computer Desktop ComputerFront View Back-Panel Connectors Back ViewInside Your Computer System Board Components Installing an Expansion Card PCI and PCI Express CardsRemoving an Expansion Card Back to Contents Processor Removing the ProcessorInstalling the Processor Back to Contents General Installation Guidelines Connecting Drive CablesDrive Interface Connectors IDE Drive Connector Serial ATA ConnectorPower Cable Connectors Connecting and Disconnecting Drive CablesCD/DVD Drive IDE Drive AddressingInstalling a CD/DVD Drive Floppy Drive Removing a Floppy DriveInstalling a Floppy Drive Hard Drive Removing a Hard Drive Installing a Hard Drive Back to Contents Removing the I/O Panel PanelReplacing the I/O Panel Power Supply Replacing the Power SupplyDC Power Connectors Pin Number Signal name AWG WirePin Number Signal Name 18-AWG Wire Pin Number Signal Name 22-AWG WireBack to Contents Removing the Computer Cover Desktop Computer Specifications Connectors DrivesKey Combinations Controls and LightsPhysical PowerEnvironmental FCC Notice U.S. Only FCC Class BWhat Are You Looking For? Find It Here Finding InformationSupport.dell.com Select Drivers & Downloads and click Go Dell Support Website support.dell.comClick Start→ Help and Support See Drivers and Utilities CD also known as ResourceCD Online Services Getting HelpTechnical Assistance Ftp.dell.comProblems With Your Order AutoTech ServiceAutomated Order-Status Service Technical Support ServiceBefore You Call Diagnostics ChecklistContacting Dell Antigua and Barbuda Argentina Buenos AiresAruba Australia SydneyCanada North York Ontario011 Cayman IslandsDenmark Copenhagen DominicaDominican Republic EcuadorGrenada GuatemalaGuyana Hong KongJapan Kawasaki Korea SeoulLatin America Website support.euro.dell.com LuxembourgNetherlands Antilles Netherlands AmsterdamNew Zealand Website support.ap.dell.com Nicaragua005 Slovakia PragueWebsite support.euro.dell.com South Africa Johannesburg 09/091Website support.ap.dell.com Thailand Trinidad/TobagoTurks and Caicos Islands Customer Care BracknellVirgin Islands VenezuelaGlossary Device driver See driver Docking device See APRPage Page Module bay See media bay NIC See network adapterPage Video resolution See resolution Back to Contents Memory DDR2 Memory OverviewInstalling Memory Removing MemoryBack to Contents Mini Tower Computer Abbreviations and AcronymsMini Tower Computer About Your Mini Tower ComputerBack View Inside Your Computer System Board Components Back to Contents Installing a Expansion Card Installing a Expansion Card Removing an Expansion CardPage Removing an Expansion Card Back to Contents Processor Installing the Processor Page Back to Contents Data Cable Connectors IDE Data Cable Connector Sata Data Cable ConnectorIDE Drive Power Connector Sata Power Connector Hard Drive Hard drive Release tabs Adding a Second Hard Drive Page Drive-Panel Inserts Removing the Floppy Drive Installing the Floppy Drive CD/DVD Drive Removing a CD/DVD Drive Back to Contents Panel Power Supply Pspwrgood DC Power Connectors P3 and P5 DC Power Connectors P8 and P9 Removing the Computer Cover Mini Tower Computer Specifications Cards Full-height cards supported Power Microsoft Windows XP Features Transferring Information to a New ComputerUser Accounts and Fast User Switching Setting Up a Home and Office NetworkClick Checklist for creating a network Replacing the Computer Cover Desktop Computer Reinstalling Drivers and the Operating System What Is a Driver?Reinstalling Drivers and Utilities DriversCreating a Restore Point Using Microsoft Windows XP System RestoreUsing the Optional Drivers and Utilities CD Reinstalling Microsoft Windows XP Undoing the Last System RestoreEnabling System Restore Restoring the Computer to an Earlier Operating StateBooting From the Operating System CD Reinstalling Windows XPWindows XP Setup Next Solving Problems Battery ProblemsDrive Problems CD and DVD drive problemsKeyboard Problems Lockups and Software ProblemsHard drive problems Problems writing to a CD/DVD-RW driveOther software problems Computer does not start upComputer stops responding Program stops respondingMemory Problems Mouse ProblemsNetwork Problems Power ProblemsPrinter Problems Restoring Default SettingsSound and Speaker Problems Serial or Parallel Device ProblemsNo sound from speakers No sound from headphones Video and Monitor ProblemsIf the screen is blank Check the diagnostic lights See Diagnostic Lights If the screen is difficult to readSystem Board Removing the System BoardReplacing the System Board System Board ScrewsBack to Contents Models Dcsm and Dcne September 2006 P/N JK524 Rev. A01 Troubleshooting Tools and Utilities Dell DiagnosticsWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard DriveDell Diagnostics Main Menu Power Light Problem Description Suggested ResolutionSystem Lights Option FunctionDiagnostic Lights Light Pattern Problem Description Suggested ResolutionBeep Codes Code CauseError Messages Click the Change or Remove Program iconOperating system not found Read fault Requested sector not found Reset failed Resolving Software and Hardware Incompatibilities Click Performance and Maintenance and click SystemMicrosoft Windows XP Warranty
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