Replacing the Drive Door, 111 | Dell U7021, WHL instruction

2Unsnap the top bracket hinge and pull the top of the drive door outward, away from the computer.

top bracket hinge

bottom bracket hinge

3Lift the bottom bracket hinge away from the computer.

Replacing the Drive Door

To prevent damage to your computer, the drive door is designed to "break away" from the computer if it is opened too far. If the drive door detaches from the computer without disassembling, perform the removal procedure in reverse.

Removing and Installing Parts

111

Image 111

Dell U7021, WHL manual Replacing the Drive Door, 111, Top bracket hinge Bottom bracket hinge

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 Parts 110 106108 109 131 130 Finding 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 XP Finding Information Opening the Drive Door Setting Up and Using Your Computer Badge Changing the Front-Panel Light Color Connecting Two Monitors With VGA Connectors Connecting Two Monitors Connecting 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 RAID Configuring 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 Volume Migrating to a RAID 0 Volume On the Delete RAID Volume Wizard screen, click Next To Mark a Drive as a Spare Hard Drive Migrating to a RAID 1 VolumeClick Reset Hard Drive to Non-RAID Creating a Spare Hard Drive Transferring Information to a New Computer Rebuilding a Degraded RAID 1 Volume Playing CDs and Movies Playing a CD or DVDNext DVD player includes the following basic buttons Go to the previous title or chapter Eject Adjusting the VolumeAdjusting the Picture Copying CDs and DVDs How 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 Overview Power ManagementStandby Mode Hibernate Mode Power Schemes Tab Power Options Properties Hibernate Tab Advanced Tab Setting Up and Using Your Computer Optimizing Performance Hyper-ThreadingOverclocking Click Hardware and click Device Manager PCI Express Cards Solving Problems Troubleshooting TipsBattery Problems Drive Problems Problems writing to a CD/DVD-RW drive CD and DVD drive problems Hard drive problems Mail, Modem, and Internet Problems Use these characters in filenames Error Messages Keyboard Problems Ieee 1394 Device Problems Program stops responding Lockups and Software ProblemsComputer does not start up Computer stops responding Solid blue screen appears Other software problemsProgram crashes repeatedly Program is designed for an earlier Windows operating system Mouse Problems Memory Problems Network Problems Power Problems Scanner Problems Printer Problems No sound from speakers Sound and Speaker Problems N T H E S P E a K E R D I a G N O S T I C S No sound from headphones Video 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 Has occurred Button Diagnostic LightsElectrical outlet and press the power Advanced Troubleshooting If the problem persists, contact Dell Normally, reinstall an additionalIdentified a faulty module or If available, install properly working Occurred Error exists Requirements exist seeYour computer see Determine if a conflict exists by Drive see Dell DiagnosticsWhen to Use the Dell Diagnostics Hard drive, CD drive, and DVD Starting the Dell Diagnostics From the ResourceCD Starting the Dell Diagnostics From Your Hard Drive Dell Diagnostics Main Menu What Is a Driver? DriversIdentifying Drivers Windows XP Reinstalling DriversUsing Windows XP Device Driver Rollback Using the ResourceCD Manually Reinstalling Drivers Using Microsoft Windows XP System Restore Creating a Restore Point Undoing the Last System RestoreRestoring the Computer to an Earlier Operating State Enabling System Restore Using Dell PC Restore by Symantec Reinstalling 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 Turning Off Your Computer Removing and Installing PartsBefore You Begin Recommended Tools Before 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 View Front 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 Computer System Board Components DDR2 Memory Overview Memory Addressing Memory With 4-GB Configurations Installing Memory Notch Memory module Cutouts Crossbar Securing clips Connector Removing Memory Cards PCI Cards Installing a PCI Card Not fully seated card Fully seated card Retention arm Alignment guide Alignment bar Filler bracket Removing a PCI Card Card slot PCI Express CardsPCI Express Card PCI Express Tab Installing a PCI Express Card Not 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 Removing a Hard Drive Power Cable ConnectorPower cable Hard Drive Drive Bracket rails Screws Removing and Installing Parts Installing a Hard Drive Hard-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 Drive Power cable Tabs Data cable CD/DVD drive Installing a CD/DVD Drive 100 101 Shroud release lever Anchor tabs Processor Airflow ShroudRemoving the Processor Airflow Shroud 102 103 Installing the Processor Airflow ShroudProcessor Removing the Processor Anchor tabs Shroud release lever 104 105 Installing the Processor 106Processor cover Socket Release lever 107 Front Panel Removing the Front Panel108 109 Replacing the Front Panel Drive Door Removing the Drive Door110 Replacing the Drive Door 111Top bracket hinge Bottom bracket hinge 112 Hinge tab Door hinges Door bracketDoor 113 BatteryReplacing the Battery Battery Battery socket Tab Removing and Installing Parts 114 Closing the Computer Cover 115 Specifications 116 Expansion BusDrives Controls and Lights Connectors117 Center/Low Frequency Effects LFE channel two front-panel Power 118Located in the Product Information 10 to 35C 50 to 95F System Setup119 Environmental Entering System Setup System Setup Screens120 121 System Setup Options 122 123 124 Boot SequenceOption Settings Changing Boot Sequence for the Current Boot 125 Changing Boot Sequence for Future Boots 126 Clearing Forgotten Passwords Clearing Cmos Settings Cleaning Your ComputerComputer, Keyboard, and Monitor 128 MouseFloppy Drive CDs and DVDs Definition of Third-Party Software and Peripherals Definition of Dell-Installed Software and PeripheralsDell Technical Support Policy U.S. Only FCC Notices U.S. Only 130 Class a Class B Contacting Dell FCC Identification Information131 132 133 134 135 136 137 Fax/Sales Fax 138Ireland Sales Sales dial within U.K. only 139 140 141 142 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 149 Index 151 Reinstalling Windows XP Index 153 Wizard, 43 reinstalling, 11, 64 scanner, 48 System Restore 154