Dell T3400 manual 253, Heat-sink assembly Captive screw housing

Page 253

3Loosen the two captive screws on each side of the heat-sink assembly.

CAUTION: Despite having a plastic shield, the heat-sink assembly may be very hot during normal operation. Ensure that the assembly has had sufficient time to cool before you touch it.

4Rotate the heat-sink assembly upward, and remove it from the computer.

1

			2
1	heat-sink assembly	2	captive screw housing (2)

5Place the heat-sink assembly on its side in a safe place.

6Disconnect the system fan cable from the system board.

Adding and Replacing Parts

253

Image 253

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 DesktopSmart Cards and Fingerprint Readers Uninterruptible Power SuppliesComputer, Keyboard, and Monitor 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 LinuxFront View Tower Orientation About Your ComputerAbout Your Computer 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 ConnectorProcessor SpecificationsSystem Information 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 Using RAID with Hard Drive Passwords About RAID ConfigurationsAbout RAID Configurations 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 DevicesSurge Protectors Uninterruptible Power SuppliesLine Conditioners 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 LocationStorage devices regardless of the No Boot setting Boot from the next device listed in the boot sequenceWill not recognize USB storage devices 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 Clearing Passwords and Cmos SettingsClearing Passwords and Cmos Settings Clearing Cmos Settings Flashing the Bios Clearing Passwords and Cmos Settings Power Lights Troubleshooting ToolsTroubleshooting Tools 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 Hardware Troubleshooter Dell Diagnostics107 Starting the Dell Diagnostics From Your Hard Drive When to Use the Dell Diagnostics109 110 Dell Diagnostics Main Menu111 112 Battery Problems TroubleshootingDrive Problems TroubleshootingProblems writing to an optical drive Optical drive problems114 Hard drive problems Mail, Modem, and Internet Problems115 116 117 Error MessagesDo not use these characters in filenames 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 120Mouse Problems Memory Problems121 122 Network Problems123 Power Problems124 Printer ProblemsSound and Speaker Problems Scanner ProblemsNo sound from speakers 125No sound from headphones Video and Monitor Problems126 Screen is difficult to read Screen is blank127 128 Only part of the screen is readable 3D image quality is poor129 130 What Is a Driver? Reinstalling SoftwareReinstalling Software DriversUsing Windows Device Driver Rollback Reinstalling Drivers and UtilitiesSave and close any open files, and exit any open programs Using the Drivers and Utilities Disc133 Reinstalling Software 135 Starting System Restore Windows XP 136 Using Microsoft Windows System RestoreRestoring Your Operating System 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 baySystem Board Components Power connector Memory module Battery socket148 149 Power Supply DC Connector Pin Assignments150 DC Power Connector P1DC Power Connectors P3 and P5 DC Power Connector P2151 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 153Removing the Front Panel DC Power Connector P15 525-W PSU Only+12 Vcdc Blue/White Removing the Chassis Intrusion Switch Chassis Intrusion Switch155 Replacing the Chassis Intrusion Switch Memory Resetting the Chassis Intrusion DetectorMemory Overview 157158 159 Addressing Memory With 4-GB ConfigurationsMemory module Securing clips Memory module connector Installing a Memory ModuleRemoving a Memory Module Notch Crossbar Adding and Replacing Parts DIMM1 Memory module connector161 Cutouts162 Cards163 PCI CardsRelease tabs Release tab 165Card retention door 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 Drives Tower Computer Drive Configurations185 Additional Sata hard drive 186Media Card Reader 187 Desktop Computer Drive ConfigurationsReader Removing and Replacing the Metal Shield Lower Drive Bays About Metal Shields Present in Some Drive Configurations188 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 201 Removing an Optional Fourth Sata Hard Drive Tower ComputerSliding-plate lever 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 209 Power cable Power supply Serial ATA cableOptional serial ATA hard drive desktop illustrated Installing an Additional Fan Fan slots Fan release tab Fan cable 211212 Drive Panel213 Removing the Drive Panel Tower ComputerDrive release latch 214 Replacing the Drive Panel Tower ComputerDrive panel tabs 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 Removing an Optical Drive Tower Computer Optical Drive231 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 Removing the Processor Processor243 244 Heat-sink assembly245 Replacing the ProcessorProcessor cover Socket Processor cover Tab 246Center cover latch Release lever 247 IndicatorFront alignment notch Rear alignment notchCaptive screw housing Battery248 Removing the Battery About the Battery249 250 System battery Battery socket tabPanel Replacing the Battery251 Panel Components Headphone connector Microphone connectorRemoving the I/O Panel USB port253 Heat-sink assembly Captive screw housingFan release lever 255 Replacing the I/O PanelPanel Removing the Power Supply Power SupplyPower supply screws Replacing the Power Supply257 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

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