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Dell T3400 manual Replacing the Power Supply, 257, Power supply screws

Models: T3400

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Page 257

1

1 power supply screws (4)

5Slide the power supply toward the front of the computer by approximately one inch.

6Lift the power supply out of the computer.

Replacing the Power Supply

1Slide the power supply into place.

2Replace the four screws that secure the power supply to the back of the computer chassis.

3Reconnect the DC power cables.

Adding and Replacing Parts

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Image 257

Dell T3400 manual Replacing the Power Supply, 257, Power supply screws

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m Dell Precision Workstation T3400 User’s GuideJuly NT499 Contents Switching From Desktop to Tower Switching From Tower to DesktopMicrosoft Windows Vista Contents Changing Between Tower and DesktopComputer, Keyboard, and Monitor Uninterruptible Power SuppliesSmart Cards and Fingerprint Readers Diagnostic Light Codes During Post 100 Changing Boot Sequence for Future BootsWhen to Use the Dell Diagnostics 108 Contents 100Dell Diagnostics Main Menu Starting the Dell Diagnostics From Your113 114143 131General Installation Guidelines 189 Removing a Memory Module 160 Installing a Memory Module149 154Installing an Optional Fourth Hard Drive Installing an Optional Third Hard DriveInstalling an Additional Fan Installing a Drive-Panel InsertAutomated Order-Status Service 265 Contents Technical Support and Customer Service 264243 245Macrovision Product Notice Contents Contents What Are You Looking For? Find It Here Finding InformationHow to configure system settings SpecificationsSystem Guides Click the User’s Guide for yourComputer when you use Use the Service Tag to identify yourEnter the Express Service Code to Direct your call when contactingProviding critical updates for your Appropriate for your configurationConfiguration Utilities → Desktop Tips, articles from technicians, onlineHow to use Windows Vista Click Start→ Help and Support What Are You Looking For? Find It Here How to use Windows XPDell Supported Linux Sites What Are You Looking For? Find It Here How to use LinuxAbout Your Computer About Your ComputerFront View Tower Orientation Perform an operating system shutdown Such as printers and keyboardsMechanical OFF Blinking green The computer is in a powerSteady green The computer is in a normal Operating statePSU only Back View Tower OrientationCard Front View Desktop OrientationPower button Press to turn on the computer Blinking green The computer is in a power Other cards Back View Desktop OrientationBack Panel Connectors VCR ConnectorSystem Information SpecificationsProcessor Between a 10-Mbps network Green a good connection existsOrange a good connection exists Between a 100-Mbps networkMemory ConnectorsNon-ECC memory Registered or buffered memoryChassis intrusion switch Serial connectorPower supply may result in your Card for power requirementsControls and Lights Upon the power supply wattage rating PowerWeight Supported monitor weightMaximum shock About Your Computer Advanced Features Advanced FeaturesLegacySelect Technology Control ManageabilityDell OpenManage Client Instrumentation Power ManagementPress the power button Sleep Mode Wake-Up MethodsAuto power on Power management eventAdvanced Features About RAID Configurations About RAID ConfigurationsUsing RAID with Hard Drive Passwords Segment Hard drive RAID LevelHard drive RAID Level 10 1+0 Configuring Your Computer for RAID Setting Your Computer to RAID-Enabled Mode About RAID Configurations About RAID Configurations About RAID Configurations Page About RAID Configurations About RAID Configurations About RAID Configurations Migrating to a RAID Level 0 Configuration Migrating to a RAID Level 5 Configuration Migrating to a RAID Level 1 ConfigurationMigrating to a RAID Level 10 Configuration Creating a Spare Hard Drive Rebuilding a Degraded RAID Level 1 Configuration Switching From Tower to Desktop Orientation Setting Up Your ComputerSetting Up Your Computer Changing Between Tower and Desktop OrientationsSwitching From Desktop to Tower Orientation Installing Your Computer in an EnclosureSetting Up Your Computer Setting Up Your Computer Microsoft Windows XP Transferring Information to a New ComputerP Y D a T a F R O M T H E S O U R C E C O M P U T E R E a T E a W I Z a R D D I S K Microsoft Windows Vista Power Protection DevicesLine Conditioners Uninterruptible Power SuppliesSurge Protectors Setting Up Your Computer Chassis Intrusion Detection Securing Your ComputerSecurity Cable Lock Securing Your ComputerSmart Cards and Fingerprint Readers PasswordsAbout Passwords Using an Administrator Password Using a Primary System PasswordUsing a Hard Drive Password Turning On and Activating TPM Trusted Platform Module TPMComputer Tracking Software Security Management SoftwareIf Your Computer Is Lost or Stolen Cleaning Your Computer Cleaning Your ComputerComputer, Keyboard, and Monitor Mouse Non-OpticalCDs and DVDs Floppy DriveEntering System Setup System SetupSystem Setup Screens System SetupSystem System Info System Setup OptionsProcessor Info Hyper-Threading, and supports 64-bit technologyBoot Sequence on Channel mode dual or single, and type by Dimm slotMemory Info LocationWill not recognize USB storage devices Boot from the next device listed in the boot sequenceStorage devices regardless of the No Boot setting Resources are in use, the port is disabled 378h default 278h 3BCh Serial Port #1COM1 The port is configured at 3F8h with IRQ COM3 The port is configured at 3E8h with IRQOn Virtualization Technology is enabled Off Virtualization Technology is disabledVideo Primary Video Virtualization TechnologyDefault Password Drive Not Set defaultLocked a valid administrator password is required to Modify or delete the system passwordActivate Enables and activates TPM security Off The intrusion detection feature is disabledIntrusions during Post Does not display any detected intrusions during PostOff default Computer on Off Do not use the Auto Power Time Power is restoredTime set in Auto Power Time Using a power strip or surge protectorSystem will boot from the network Low Power ModeMode, Hibernate mode, or when turned off Or type the numbers in the appropriate time fieldEnables or disables the numerical and mathematical features Post Hotkeys Boot SequenceChanging Boot Sequence for the Current Boot Changing Boot Sequence for Future Boots Clearing Passwords and Cmos Settings Clearing Passwords and Cmos SettingsClearing Passwords Clearing Cmos Settings Flashing the Bios Clearing Passwords and Cmos Settings Troubleshooting Tools Troubleshooting ToolsPower Lights Diagnostic Light Codes During Post Diagnostic Lights100 Light Pattern101 102 Determine if a conflict exists by 103Card failure has Occurred Graphics card and restarting104 Beep Codes105 System MessagesCode Description Repetitive Short beeps106 107 Dell DiagnosticsHardware Troubleshooter Starting the Dell Diagnostics From Your Hard Drive When to Use the Dell Diagnostics109 110 Dell Diagnostics Main Menu111 112 Battery Problems TroubleshootingDrive Problems Troubleshooting114 Optical drive problemsProblems writing to an optical drive 115 Mail, Modem, and Internet ProblemsHard drive problems 116 Do not use these characters in filenames Error Messages117 Keyboard Problems Ieee 1394 Device Problems118 Contact the Ieee 1394 device manufacturerComputer does not start up Lockups and Software ProblemsComputer stops responding Program stops respondingProgram is designed for an earlier Windows operating system Other software problemsSolid blue screen appears 120121 Memory ProblemsMouse Problems 122 Network Problems123 Power Problems124 Printer ProblemsSound and Speaker Problems Scanner ProblemsNo sound from speakers 125126 Video and Monitor ProblemsNo sound from headphones 127 Screen is blankScreen is difficult to read 128 129 3D image quality is poorOnly part of the screen is readable 130 What Is a Driver? Reinstalling SoftwareReinstalling Software DriversUsing Windows Device Driver Rollback Reinstalling Drivers and Utilities133 Using the Drivers and Utilities DiscSave and close any open files, and exit any open programs Reinstalling Software 135 Restoring Your Operating System Using Microsoft Windows System RestoreStarting System Restore Windows XP 136 137 Enabling System Restore Using Dell PC Restore and Dell Factory Image RestoreWindows XP Dell PC Restore Turn on the computer 138139 140 Reinstalling Windows XP or Windows Vista Using the Operating System MediaBefore you Begin 141Save and close any open files and exit any open programs Before You Begin Adding and Replacing PartsRecommended Tools Turning Off Your ComputerBefore Working Inside Your Computer 145 Removing the Computer Cover146 Inside View of Your ComputerCover release latch Cover hinges147 Power supply System board Secondary hard drive bay148 Power connector Memory module Battery socketSystem Board Components 149 Power Supply DC Connector Pin Assignments150 DC Power Connector P1151 DC Power Connector P2DC Power Connectors P3 and P5 DC Power Connectors P8, P9, P13, and P14 DC Power Connector P7Pin Number Signal name AWG Wire +5 VDC Red 152DC Power Connector P12 DC Power Connector P10Pin Number Signal Name 153+12 Vcdc Blue/White DC Power Connector P15 525-W PSU OnlyRemoving the Front Panel 155 Chassis Intrusion SwitchRemoving the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Memory Resetting the Chassis Intrusion DetectorMemory Overview 157158 159 Addressing Memory With 4-GB ConfigurationsRemoving a Memory Module Installing a Memory ModuleMemory module Securing clips Memory module connector Notch Crossbar Adding and Replacing Parts DIMM1 Memory module connector161 Cutouts162 Cards163 PCI CardsRelease tabs Card retention door 165Release tab Adding and Replacing Parts 167 Release tab 169 Card retention cover Screws 171Alignment guide Filler bracket 173 Release tab 175 PCI Express CardsCard retention cover 177 Card retention door Adding and Replacing PartsAlignment bar 179 Alignment bar Alignment guide Filler bracket 181 Adding and Replacing Parts 183 Alignment bar 185 Tower Computer Drive ConfigurationsDrives Media Card Reader 186Additional Sata hard drive Reader Desktop Computer Drive Configurations187 188 About Metal Shields Present in Some Drive ConfigurationsRemoving and Replacing the Metal Shield Lower Drive Bays Power Cable Connectors General Installation GuidelinesPower cable 189SAS Data Cable Connectors Sata Data Cable Connectors190 Sata data cableRemoving a Hard Drive Tower or Desktop Computer Hard DriveDrive Cable Colors Disconnect the serial ATA cable from the hard driveBay Card Hard drive in secondary hard 193Hard drive in primary hard drive bay Blue tabs195 Connect one end of the serial ATA cable to the hard driveTo install a SAS hard drive 197 Removing an Optional Third Hard Drive Tower ComputerIf you are removing a SAS drive Power cable Serial ATA cable Sata connector199 Installing an Optional Third Hard Drive Tower Computer200 Sliding-plate lever Removing an Optional Fourth Sata Hard Drive Tower Computer201 Installing an Optional Fourth Hard Drive Tower Computer 203 Removing an Optional Third Hard Drive Desktop ComputerOptional serial ATA hard drive in lower 5.25-inch drive bay 205 Installing an Optional Third Hard Drive Desktop Computer Hard-drive holder 207Optional third hard drive is Optional serial ATA hard drive desktop illustrated Power cable Power supply Serial ATA cable209 Installing an Additional Fan Fan slots Fan release tab Fan cable 211212 Drive PanelDrive release latch Removing the Drive Panel Tower Computer213 Drive panel tabs Replacing the Drive Panel Tower Computer214 215 Removing the Drive Panel Desktop ComputerReplacing the Drive Panel Desktop Computer 217 Removing a Drive-Panel Insert Installing a Drive-Panel InsertDrive panel Drive-panel insert Drive-panel insert release Tabs219 Floppy Drive or Media Card ReaderIf you are removing a floppy drive Removing a Floppy Drive or Media Card Reader Tower Computer221 Floppy drive connector Floppy Adding and Replacing PartsAttach the screws to the new drive 222 223 If you are installing a floppy drive 225 Drive-conversion latch Power cable Floppy drive cableAdding and Replacing Parts 227 Floppy drive connector FloppyDrive retention insert 229 Power cable 231 Optical DriveRemoving an Optical Drive Tower Computer CD/DVD drive cable 233 Installing an Optical Drive Tower ComputerAdding and Replacing Parts CD/DVD-drive cable 235236 Removing an Optical Drive Desktop Computer237 Installing an Optical Drive Desktop ComputerAdding and Replacing Parts 239 Installing the Optional Speaker Speaker optional 241Speaker optional 243 ProcessorRemoving the Processor 244 Heat-sink assemblyProcessor cover Socket Replacing the Processor245 Center cover latch Release lever 246Processor cover Tab 247 IndicatorFront alignment notch Rear alignment notch248 BatteryCaptive screw housing 249 About the BatteryRemoving the Battery 250 System battery Battery socket tab251 Replacing the BatteryPanel Panel Components Headphone connector Microphone connectorRemoving the I/O Panel USB port253 Heat-sink assembly Captive screw housingFan release lever Panel Replacing the I/O Panel255 Removing the Power Supply Power Supply257 Replacing the Power SupplyPower supply screws Removing the System Board System Board259 Remove the system board screwsReplacing the System Board 261 Replacing the Front PanelReplacing the Computer Cover Obtaining Assistance Getting Help263 Getting HelpDellConnect Online Services Technical Support and Customer ServiceAutoTech Service Problems With Your OrderAutomated Order-Status Service 265Getting Help 267 Before You Call268 269 Contacting Dell270 FCC Notice U.S. Only AppendixFCC Class B 271272 Macrovision Product Notice273 Glossary274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290