Dell U7021, WHL manual Installing the Processor Airflow Shroud, Removing the Processor, 103

Page 103

Installing the Processor Airflow Shroud

1Attach both fan power cables to the connectors on the system board.

2Align the anchor tabs with the securing slots.

3Gently press the shroud until the anchor tabs snap securely into place.

4Close the computer cover.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

5Connect your computer and devices to electrical outlets, and turn them on.

Processor

Removing the Processor

NOTICE: Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps incorrectly could damage your system board. For technical service, see "Dell Technical Support Policy (U.S. Only)" on page 129.

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

1Follow the procedures in "Before You Begin" on page 67.

2Disconnect the cooling fan power cable from the REAR FAN1 connector (see "System Board Components" on page 75) on the system board.

3Disconnect the power cable from the 12V PWR connector (see "System Board Components" on page 75) on the system board.

4Lift up the airflow shroud.

Removing and Installing Parts

103

Image 103

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 Restoring the Computer to an Earlier Operating State Using Microsoft Windows XP System RestoreResolving Software and Hardware Incompatibilities 102 Removing and Installing Parts110 106108 109131 130Finding Information Dell Product Information Guide Setup Diagram Click the topic that describes your problem Warranty, and repair informationSpecifications, and white papers How to use Windows XPFinding Information Opening the Drive Door Setting Up and Using Your ComputerBadge Changing the Front-Panel Light ColorConnecting Two Monitors With VGA Connectors Connecting Two MonitorsTV-OUT connector VGA blue connector Connecting a TVOptional DVI adapter Changing the Display Settings About Your RAID ConfigurationAbout Serial ATA Drives Segment RAID LevelHard drive Setting Your Computer to RAID-Enabled Mode Configuring Your Computer for RAIDCreating a RAID Level 0 Configuration Configuring for RAID Using the IntelR Option ROM UtilityCreating 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 NextTo Mark a Drive as a Spare Hard Drive Migrating to a RAID 1 VolumeClick Reset Hard Drive to Non-RAID Creating a Spare Hard DriveTransferring Information to a New Computer Rebuilding a Degraded RAID 1 VolumePlaying a CD or DVD Playing CDs and MoviesNext DVD player includes the following basic buttons Go to the previous title or chapter Eject Adjusting the VolumeAdjusting the Picture Copying CDs and DVDsUsing Blank CD-Rs, CD-RWs, DVD+Rs, and DVD+RWs How to Copy a CD or DVDClick Exact Copy Click Checklist for creating a network Network Setup WizardHelpful Tips Overview Power ManagementStandby Mode Hibernate ModePower Schemes Tab Power Options PropertiesHibernate Tab Advanced TabSetting Up and Using Your Computer Optimizing Performance Hyper-ThreadingOverclocking Click Hardware and click Device ManagerPCI Express Cards Solving Problems Troubleshooting TipsBattery Problems Drive 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 ProblemsProgram stops responding Lockups and Software ProblemsComputer does not start up Computer stops respondingSolid blue screen appears Other software problemsProgram crashes repeatedly Program is designed for an earlier Windows operating systemMouse 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 headphonesIf the screen is blank Video and Monitor ProblemsIf 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 Has occurred Button Diagnostic LightsElectrical outlet and press the power Advanced TroubleshootingIf the problem persists, contact Dell Normally, reinstall an additionalIdentified a faulty module or If available, install properly workingOccurred Error exists Requirements exist seeYour computer see Determine if a conflict exists byDrive see Dell DiagnosticsWhen to Use the Dell Diagnostics Hard drive, CD drive, and DVDStarting the Dell Diagnostics From the ResourceCD Starting the Dell Diagnostics From Your Hard DriveDell Diagnostics Main Menu Drivers What Is a Driver?Identifying Drivers Windows XP Reinstalling DriversUsing Windows XP Device Driver Rollback Using the ResourceCDManually Reinstalling Drivers Using Microsoft Windows XP System RestoreUndoing the Last System Restore Creating a Restore PointRestoring the Computer to an Earlier Operating State Enabling System Restore Using Dell PC Restore by SymantecResolving Software and Hardware Incompatibilities Reinstalling Microsoft Windows XPBefore You Begin Booting From the Operating System CD Reinstalling Windows XPWindows XP Setup When the Welcome to Microsoft screen appears, click Next Turning Off Your Computer Removing and Installing PartsBefore You Begin Recommended ToolsBefore Working Inside Your Computer Press to turn on the computer Open the door to use the front-panel connectorsFront and Back View of the Computer Front ViewFront View Doors Open Back View One x16 slot and one x1 slot Opening the Computer Cover Floppy drive CD/DVD drive Processor fan Power supply fansSystem board Power supply Removing and Installing Parts Inside View of Your ComputerSystem 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 CardCard slot PCI Express CardsPCI Express Card PCI ExpressTab Installing a PCI Express CardNot fully seated card Fully seated card Retention arm Alignment guide Alignment bar Filler bracket Removing a PCI Express Card Drives General Installation GuidelinesFloppy drive CD/DVD drives Hard drives Drive Interface Connectors Connecting Drive CablesSerial ATA Connector Interface cable Interface connector Removing a Hard Drive Power Cable ConnectorPower cable 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 Rail tabs Floppy DriveFirst hard drive in lower bay Hard drive bay Data cable power cable Tabs Floppy drive Installing a 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 Shroud release lever Anchor tabs Processor Airflow ShroudRemoving the Processor Airflow Shroud 102103 Installing the Processor Airflow ShroudProcessor Removing the ProcessorAnchor tabs Shroud release lever 104105 106 Installing the ProcessorProcessor cover Socket Release lever 107 Removing the Front Panel Front Panel108 109 Replacing the Front PanelRemoving the Drive Door Drive Door110 111 Replacing the Drive DoorTop bracket hinge Bottom bracket hinge Hinge tab Door hinges Door bracket 112Door 113 BatteryReplacing the Battery Battery Battery socket Tab Removing and Installing Parts114 Closing the Computer Cover115 SpecificationsExpansion Bus 116Drives Controls and Lights Connectors117 Center/Low Frequency Effects LFE channel two front-panel118 PowerLocated in the Product Information 10 to 35C 50 to 95F System Setup119 EnvironmentalSystem Setup Screens Entering System Setup120 121 System Setup Options122 123 124 Boot SequenceOption Settings Changing Boot Sequence for the Current Boot125 Changing Boot Sequence for Future Boots126 Clearing Forgotten PasswordsCleaning Your Computer Clearing Cmos SettingsComputer, Keyboard, and Monitor 128 MouseFloppy Drive CDs and DVDsDefinition of Third-Party Software and Peripherals Definition of Dell-Installed Software and PeripheralsDell Technical Support Policy U.S. Only FCC Notices U.S. Only130 Class a Class BFCC Identification Information Contacting Dell131 132 133 134 135 136 137 Fax/Sales Fax 138Ireland Sales Sales dial within U.K. only139 140 141 142 143 Switchboard SalesCountries Sales Penang, Malaysia Appendix 144 145 PowerConnect, and PowerVault Transaction SalesTrinidad/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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