Dell U7021, WHL manual 105

Page 105

bOn the retention base locate the tab opposite the power supply. Press on the retention base tab until the heat sink pops up slightly.

cPress out on the second retention tab while lifting the heat sink up and out of the retention base.

NOTICE: Lay the heat sink down on its side.

NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell, reuse the original heat sink and blower when you install your new processor.

6Push down and out on the socket release lever.

heat sink

retention tab

retention base

Removing and Installing Parts

105

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Contents W . d e l l . c o m s u p p o r t . d e l l . c o m March U7021 Contents Optimizing Performance Using Microsoft Windows XP System Restore Restoring the Computer to an Earlier Operating StateResolving Software and Hardware Incompatibilities 102 Removing and Installing Parts108 106109 110131 130Finding Information Dell Product Information Guide Setup Diagram Specifications, and white papers Warranty, and repair informationHow to use Windows XP Click the topic that describes your problemFinding Information Opening the Drive Door Setting Up and Using Your ComputerBadge Changing the Front-Panel Light ColorConnecting Two Monitors With VGA Connectors Connecting Two MonitorsConnecting a TV TV-OUT connector VGA blue connectorOptional DVI adapter About Your RAID Configuration Changing the Display SettingsAbout Serial ATA Drives RAID Level SegmentHard drive Setting Your Computer to RAID-Enabled Mode Configuring Your Computer for RAIDConfiguring for RAID Using the IntelR Option ROM Utility Creating a RAID Level 0 ConfigurationCreating a RAID Level 1 Configuration Deleting a RAID Volume Creating a RAID 1 Volume Creating a RAID 0 VolumeMigrating to a RAID 0 Volume On the Delete RAID Volume Wizard screen, click NextClick Reset Hard Drive to Non-RAID Migrating to a RAID 1 VolumeCreating a Spare Hard Drive To Mark a Drive as a Spare Hard DriveTransferring Information to a New Computer Rebuilding a Degraded RAID 1 VolumePlaying CDs and Movies Playing a CD or DVDNext DVD player includes the following basic buttons Adjusting the Picture Adjusting the VolumeCopying CDs and DVDs Go to the previous title or chapter EjectHow to Copy a CD or DVD Using Blank CD-Rs, CD-RWs, DVD+Rs, and DVD+RWsClick Exact Copy Network Setup Wizard Click Checklist for creating a networkHelpful Tips Standby Mode Power ManagementHibernate Mode OverviewPower Schemes Tab Power Options PropertiesHibernate Tab Advanced TabSetting Up and Using Your Computer Overclocking Hyper-ThreadingClick Hardware and click Device Manager Optimizing PerformancePCI Express Cards Battery Problems Troubleshooting TipsDrive Problems Solving ProblemsProblems writing to a CD/DVD-RW drive CD and DVD drive problemsHard drive problems Mail, Modem, and Internet ProblemsUse these characters in filenames Error MessagesKeyboard Problems Ieee 1394 Device ProblemsComputer does not start up Lockups and Software ProblemsComputer stops responding Program stops respondingProgram crashes repeatedly Other software problemsProgram is designed for an earlier Windows operating system Solid blue screen appearsMouse Problems Memory ProblemsNetwork Problems Power Problems Scanner Problems Printer ProblemsNo sound from speakers Sound and Speaker ProblemsN T H E S P E a K E R D I a G N O S T I C S No sound from headphonesVideo and Monitor Problems If the screen is blankIf the screen is difficult to read J U S T T H E W I N D O W S D I S P L a Y S E T T I N G S Solving Problems Electrical outlet and press the power Diagnostic LightsAdvanced Troubleshooting Has occurred ButtonIdentified a faulty module or Normally, reinstall an additionalIf available, install properly working If the problem persists, contact DellYour computer see Error exists Requirements exist seeDetermine if a conflict exists by OccurredWhen to Use the Dell Diagnostics Dell DiagnosticsHard drive, CD drive, and DVD Drive seeStarting the Dell Diagnostics From the ResourceCD Starting the Dell Diagnostics From Your Hard DriveDell Diagnostics Main Menu What Is a Driver? DriversIdentifying Drivers Using Windows XP Device Driver Rollback Reinstalling DriversUsing the ResourceCD Windows XPManually Reinstalling Drivers Using Microsoft Windows XP System RestoreCreating a Restore Point Undoing the Last System RestoreRestoring the Computer to an Earlier Operating State Enabling System Restore Using Dell PC Restore by SymantecReinstalling Microsoft Windows XP Resolving Software and Hardware IncompatibilitiesBefore You Begin Reinstalling Windows XP Booting From the Operating System CDWindows XP Setup When the Welcome to Microsoft screen appears, click Next Before You Begin Removing and Installing PartsRecommended Tools Turning Off Your ComputerBefore Working Inside Your Computer Front and Back View of the Computer Open the door to use the front-panel connectorsFront View Press to turn on the computerFront View Doors Open Back View One x16 slot and one x1 slot Opening the Computer Cover System board Power supply Removing and Installing Parts Processor fan Power supply fansInside View of Your Computer Floppy drive CD/DVD driveSystem Board Components DDR2 Memory Overview MemoryAddressing Memory With 4-GB Configurations Installing MemoryNotch Memory module Cutouts Crossbar Securing clips ConnectorRemoving Memory CardsPCI Cards Installing a PCI CardNot fully seated card Fully seated card Retention arm Alignment guide Alignment bar Filler bracket Removing a PCI CardPCI Express PCI Express CardsCard PCI Express Card slotTab Installing a PCI Express CardNot fully seated card Fully seated card Retention arm Alignment guide Alignment bar Filler bracket Removing a PCI Express Card General Installation Guidelines DrivesFloppy drive CD/DVD drives Hard drives Connecting Drive Cables Drive Interface ConnectorsSerial ATA Connector Interface cable Interface connector Power cable Power Cable ConnectorHard Drive Removing a Hard DriveDrive Bracket rails Screws Removing and Installing Parts Installing a Hard DriveHard-drive cable Power cable Tabs Removing and Installing Parts Adding a Second Hard Drive Floppy Drive Rail tabsFirst hard drive in lower bay Hard drive bay Installing a Floppy Drive Data cable power cable Tabs Floppy driveRemoving a Floppy Drive Drive Bracket rails Screws Removing a CD/DVD Drive CD/DVD DrivePower cable Tabs Data cable CD/DVD drive Installing a CD/DVD Drive100 101 Removing the Processor Airflow Shroud Processor Airflow Shroud102 Shroud release lever Anchor tabsProcessor Installing the Processor Airflow ShroudRemoving the Processor 103Anchor tabs Shroud release lever 104105 Installing the Processor 106Processor cover Socket Release lever 107 Front Panel Removing the Front Panel108 109 Replacing the Front PanelDrive Door Removing the Drive Door110 Replacing the Drive Door 111Top bracket hinge Bottom bracket hinge 112 Hinge tab Door hinges Door bracketDoor Replacing the Battery BatteryBattery Battery socket Tab Removing and Installing Parts 113114 Closing the Computer Cover115 Specifications116 Expansion BusDrives 117 ConnectorsCenter/Low Frequency Effects LFE channel two front-panel Controls and LightsPower 118Located in the Product Information 119 System SetupEnvironmental 10 to 35C 50 to 95FEntering System Setup System Setup Screens120 121 System Setup Options122 123 Option Settings Boot SequenceChanging Boot Sequence for the Current Boot 124125 Changing Boot Sequence for Future Boots126 Clearing Forgotten PasswordsClearing Cmos Settings Cleaning Your ComputerComputer, Keyboard, and Monitor Floppy Drive MouseCDs and DVDs 128Dell Technical Support Policy U.S. Only Definition of Dell-Installed Software and PeripheralsFCC Notices U.S. Only Definition of Third-Party Software and Peripherals130 Class a Class BContacting Dell FCC Identification Information131 132 133 134 135 136 137 Ireland Sales 138Sales dial within U.K. only Fax/Sales Fax139 140 141 142 Switchboard Sales 143Countries Sales Penang, Malaysia Appendix 144 PowerConnect, and PowerVault Transaction Sales 145Trinidad/Tobago General Support Turks and Caicos Islands 146 147 Appendix Index 149Index 151 Reinstalling Windows XPIndex 153 Wizard, 43 reinstalling, 11, 64 scanner, 48 System Restore154
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