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1 card retention device

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NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.

13Replace the computer cover (see "Replacing the Computer Cover" on page 145), reconnect the computer and devices to electrical outlets, and then turn them on.

Installing PCI Express Graphics Cards in a Dual Configuration

NOTE: To upgrade to or downgrade from a dual-graphics configuration, you will need additional parts that can be ordered from Dell. See "Contacting Dell" on page 287.

This section regards dual configurations of PCI Express graphics cards only. For installation of any other type of PCI or PCI Express cards, see "Installing an Expansion Card" on page 195.

Adding and Replacing Parts

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Contents

Dell Precision T7400 User’s Guide August Contents Performing Configuration Tasks RAID Configuration and Management Security Management Software Trusted Platform Module TPM Clearing Forgotten Passwords 116 105113 115 146 139Removing the Computer Cover and Front Panel 141 Replacing the Front Panel and Computer Cover 144 194 Automated Order-Status Service Technical Support and Customer Service Contents Contents Finding Information Drivers and Utilities Disc What Are You Looking For? Find It Here At support.dell.com Quick Reference Guide What Are You Looking For? Service Tag and Microsoft Windows License Dell Support Website support.dell.com Windows Help and Support Dell Supported Linux Sites Finding Information Front View of the Computer About Your Computer 5.25-inch drive bays Back View of the Computer Information, see System Setup Options on Back Panel Connectors Link integrity light Inside View System Board Components B l e C o l o r s USB Intusb System Information SpecificationsProcessor Memory PCI Expansion Video Ports and Connectors Controls and Lights AudioDrives Key Combinations Physical Power Environmental Alert Standard Format LegacySelect Technology ControlManageability Chassis intrusion alert has been cleared Alert Description Dell OpenManage Client Instrumentation Power ManagementDell OpenManage IT Assistant Sleep Mode Wake-Up Methods Windows XP Hyperthreading and Multi-Core Technology About RAID Configurations RAID Level RAID Level Hard drive RAID Level Entering the RAID Configuration Utility RAID Configuration UtilityRAID Configuration and Management Configuring Your Computer for RAID Exit Screen Performing Configuration TasksCreating a RAID Level 0 Configuration Creating a RAID Level 1 Configuration Viewing RAID Volume Properties Creating a Second RAID Volume Deleting a RAID Volume Synchronizing a RAID Volume Virtual DiskActivating a RAID Volume From the Adapter Properties screen, select RAID Properties Replacing and Rebuilding a Degraded RAID Volume Advanced Features Installing Your Computer in an Enclosure Setting Up Your Computer Setting Up Your Computer Connecting to the Internet Windows XP Setting Up Your Internet Connection Windows Vista Transferring Information to a New Computer To prepare a new computer for the file transfer Microsoft Windows XP Setting Up Your Computer Setting Up Your Computer Microsoft Windows Vista Power Protection Devices Line Conditioners Uninterruptible Power SuppliesSurge Protectors Chassis Intrusion Detection Removing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector Replacing the Chassis Intrusion Switch Security Cable Lock About Passwords Passwords Type of Password Features Using a Primary or System Password Assigning a System Password Option Settings Deleting or Changing an Existing System Password Typing Your System Password Using an Administrator Password Assigning an Administrator Password Deleting or Changing an Existing Administrator Password Disabling a Forgotten Password and Setting a New Password Trusted Platform Module TPM Enabling the TPM Feature Activating the Security Management Software Using the Security Management SoftwareSecurity Management Software Computer Tracking Software If Your Computer Is Lost or Stolen Securing Your Computer Overview Entering System SetupSystem Setup Options Date, Service Tag, Express Service Code, and Asset Tag Ahci COM3 Video Security Unlocked Maintenance Read and U for Unread. Mark All Entries Read puts an R to Selecting the Boot Device for the Current Boot Boot MenuOption Settings Memory Key Changing Boot Sequence for Future BootsBooting to a USB Device Floppy Drive Jumper Setting Clearing Forgotten Passwords Clearing Forgotten Passwords Flashing the Bios Clearing Cmos Settings Clearing Forgotten Passwords CDs and DVDs Computer, Keyboard, and MonitorFloppy Drive Cleaning Your Computer Drive Problems Solving ProblemsBattery Problems Problems writing to an optical drive Optical drive problems Hard drive problems Mail and Internet Problems Computer stops responding Keyboard ProblemsLockups and Software Problems Computer does not start up Solid blue screen appears Program stops respondingProgram crashes repeatedly Program is designed for an earlier Windows operating system Other software problems Memory Problems Network Problems Mouse Problems 100 Power Problems 101 Printer Problems 102 Scanner Problems 103 Sound Problems 104 105 Diagnostic LightsDiagnostic Light Codes Before Post Diagnostic Lights Power 106 Suggested Resolution 107 108 Diagnostic Light Codes During PostLight Pattern Problem Description Suggested Resolution 109 Light Pattern Problem Description 110 111 112 113 Power Lights 114 Code Cause Beep Codes115 116 Error Messages Do not use these characters in filenames 117 118 VO L T a G E I S L O W Replace the battery. See 119 T a Error See Drive Problems on 120 121 122 123 Dell DiagnosticsWhen to Use the Dell Diagnostics 124 Starting the Dell Diagnostics From Your Hard Drive Option Function Dell Diagnostics Main Menu125 Tab Function 126 127 Diagnostics Checklist 128 Microsoft Windows XP What Is a Driver?Drivers Identifying Drivers 130 Reinstalling Drivers and UtilitiesUsing Windows Device Driver Rollback Microsoft Windows Vista 131 Fix a Problem section, click Hardware Troubleshooter 132 Using Microsoft Windows System RestoreStarting System Restore Restoring Your Operating System 133 Undoing the Last System RestoreEnabling System Restore 134 Using Dell PC Restore and Dell Factory Image RestoreWindows XP Dell PC Restore 135 136 Windows Vista Dell Factory Image Restore 137 Using the Operating System DiscReinstalling Windows XP or Windows Vista Before you Begin 138 139 Before You BeginRecommended Tools Turning Off Your Computer 140 Before Working Inside Your Computer 141 Removing the Computer Cover and Front PanelRemoving the Computer Cover 142 143 Removing the Front Panel 144 Replacing the Front Panel and Computer CoverReplacing the Front Panel 145 Replacing the Computer Cover 146 Panel 147 Panel Components 148 Removing the I/O Panel 149 Replacing the I/O Panel 150 ProcessorRemoving the Processor 151 152 Heat-sink assembly 153 154 Installing the Processor 155 156 157 158 159 160 Power SupplyDC Connector Pin Assignments 161 DC Power Connector P1Pin Number Signal name Wire Color 162 DC Power Connectors P2Pin Number Signal Name 163 DC Power Connector P5DC Power Connector P7 164 DC Power Connectors P10, P11DC Power Connectors P12, P13, P14, P15, P16, P17 165 DC Power Connector P18DC Power Connector P19 AWG Wire 166 DC Power Connector P22, P23DC Power Connector P24 167 Removing the Power SupplyDC Power Connector FDD 168 169 BatteryReplacing the Power Supply About the Battery 170 Removing the Battery 171 Replacing the Battery 172 Memory 173 Memory InstallationFully Buffered Dimm FBD Memory Overview 174 175 Removing Memory Without Memory Riser Cards 176 177 178 179 Memory Installation With Optional Memory Riser Cards 180 Installing Memory With Optional Memory Riser Cards 181 182 183 184 185 186 187 Removing Memory With Optional Memory Riser Cards 188 189 190 191 192 193 194 CardsExpansion Card Support 195 Installing an Expansion Card 196 197 198 199 200 201 202 Removing an Expansion Card 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 Removing the Optional Graphics Riser Card 224 225 DrivesReplacing the Optional Graphics Riser Card 226 227 General Drive Installation GuidelinesGeneral Drive Installation Guidelines 228 229 230 Controller Card Data Cable ConnectorsHard Drive Removing a Hard Drive Hard Drive Bays 231 232 233 234 235 Installing a Hard Drive Hard Drive Bays 236 237 238 239 Removing a Fifth Sata Hard Drive Optional 240 241 242 Installing a Fifth Sata Hard Drive Optional 243 244 245 246 Drive PanelsRemoving the Drive Panel 247 Removing a Drive-Panel Insert 248 249 Replacing a Drive-Panel InsertReplacing the Drive Panel 250 251 Removing a Floppy Drive 252 253 254 Installing a Floppy Drive 255 256 257 258 Media Card ReaderRemoving a Media Card Reader 259 260 261 Installing a Media Card Reader 262 263 264 265 Optical DriveRemoving an Optical Drive 266 267 268 Installing an Optical Drive 269 270 271 System BoardRemoving the System Board 272 273 274 275 276 277 Replacing the System Board 278 279 280 281 Obtaining Assistance 282 Technical Support and Customer ServiceOnline Services Product Information Problems With Your OrderAutoTech Service Automated Order-Status Service 284 Returning Items for Warranty Repair or CreditBefore You Call 285 286 287 Contacting Dell 288 289 FCC Notice U.S. OnlyFCC Class B 290 291 Glossary 292 Product ID 293 294 295 296 297 298 Module bay See media bay 299 NIC See network adapter 300 301 302 303 304 305 Video resolution See resolution 306 307

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