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Dell NX046 manual 104

Models: NX046

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5Click Save this program to disk, and then click OK. The Save In window appears.

6Click the down arrow to view the Save In menu, select Desktop, and then click Save.

The file downloads to your desktop.

7Click Close when the Download Complete window appears.

The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.

8Double-click the file icon on the desktop and follow the on-screen instructions.

104

Clearing Forgotten Passwords

Image 104

Dell NX046 manual 104

Contents

Dell Precision T5400 User’s Guide August Contents Installing Your Computer in an Enclosure Transferring Information to a New ComputerTrusted Platform Module TPM Security Management SoftwareCleaning Your Computer 103129 130136 141Turning Off Your Computer 193 205281 289Returning Items for Warranty Repair or Credit Finding Information What Are You Looking For? Find It Here Drivers and Utilities DiscQuick Reference Guide At support.dell.comService Tag and Microsoft Windows License What Are You Looking For?Dell Support Website support.dell.com Windows Help and Support Dell Supported Linux Sites Finding Information About Your Computer Front View of the Computer Tower OrientationIeee 1394 connector Back View of the Computer Tower Orientation CardsBack Panel Connectors Tower Orientation ConnectorNetwork adapter Information on booting to a USB device Front View Desktop OrientationBack View Desktop Orientation Inside View Inside View Hard Drive Bay Rotated Out System Board Components Cable Colors Device ColorChanging Between Tower and Desktop Modes Tower Orientation Desktop Orientation Spare card retainer Desktop Orientation Tower Orientation FlexBay About Your Computer Specifications System Information ProcessorMemory Expansion Desktop ModeTower Mode Ports and Connectors USBVideo AudioDrives Key CombinationsPower Front panelPhysical EnvironmentalAbout Your Computer About Your Computer Alert Standard Format LegacySelect Technology ControlManageability Alert Description Chassis intrusion alert has been clearedDell OpenManage Client Instrumentation Power ManagementDell OpenManage IT Assistant Sleep Mode About RAID Configurations Hyperthreading and Multi-Core TechnologyRAID Level RAID Level RAID level Hard driveConfiguring Your Computer for RAID Setting Your Computer to RAID-Enabled ModeCreating a RAID Level 0 Configuration Creating a RAID Level 1 Configuration Creating a RAID Level 5 ConfigurationDeleting a RAID Volume On the Delete RAID Volume Wizard screen, click NextDrive RAID About Migrating to a RAID ConfigurationMigrating to a RAID Level 0 Configuration Migrating to a RAID Level 1 Configuration Migrating to a RAID Level 5 Configuration Rebuilding a Degraded RAID Level 1 or 5 Configuration Creating a Spare Hard DriveCreating a RAID Level 0 Configuration Creating a RAID Level 1 Configuration Creating a RAID Level 5 Configuration Deleting a RAID Volume Setting Up Your Computer Installing Your Computer in an EnclosureSetting Up Your Computer Connecting to the Internet Setting Up Your Internet Connection Windows XPTransferring Information to a New Computer Windows VistaMicrosoft Windows XP To prepare a new computer for the file transferSetting Up Your Computer Setting Up Your Computer Power Protection Devices Microsoft Windows VistaLine Conditioners Uninterruptible Power SuppliesSurge Protectors Removing the Chassis Intrusion Switch Chassis Intrusion DetectionReplacing the Chassis Intrusion Switch Resetting the Chassis Intrusion DetectorSecurity Cable Lock Passwords About PasswordsUsing a Primary or System Password Type of Password FeaturesOption Settings Assigning a System PasswordTyping Your System Password Deleting or Changing an Existing System PasswordUsing an Administrator Password Assigning an Administrator Password Disabling a Forgotten Password and Setting a New Password Deleting or Changing an Existing Administrator PasswordEnabling the TPM Feature Trusted Platform Module TPMUsing the Security Management Software Security Management SoftwareComputer Tracking Software Activating the Security Management SoftwareIf Your Computer Is Lost or Stolen Securing Your Computer Overview Entering System SetupSystem Setup Options Date, Service Tag, Express Service Code, and Asset Tag Off COM3 Performance Security Auto Power Time Read and U for Unread. Mark All Entries Read puts an R to Boot Menu Setup program or the Quickboot feature. Setup & BootOption Settings Selecting the Boot Device for the Current BootMemory Key Changing Boot Sequence for Future BootsBooting to a USB Device Floppy Drive 100Jumper Setting Description 101102 103 Clearing Cmos SettingsFlashing the Bios 104 Computer, Keyboard, and Monitor Floppy DriveCDs and DVDs 105106 Solving Problems Battery ProblemsDrive Problems 107108 Optical drive problemsProblems writing to an optical drive 109 Mail and Internet ProblemsHard drive problems Error Messages 110Ieee 1394 Device Problems 111112 Keyboard ProblemsLockups and Software Problems Computer does not start up Computer stops respondingProgram stops responding Program crashes repeatedlyMemory Problems Other software problemsSolid blue screen appears 114Mouse Problems 115116 Network ProblemsPower Problems Printer Problems 117Scanner Problems 118Sound Problems 119120 Diagnostic Lights Diagnostic Light Codes Before PostDiagnostic Lights Power 121Suggested Resolution 122123 Diagnostic Light Codes During PostLight Pattern Problem Description 124 Light Pattern Problem Description Suggested Resolution 125126 127 128 Code Cause Beep Codes129 Error Messages 130131 Click the Change or Remove Program icon132 Keyboard Failure -See Keyboard Problems on 133134 135 136 Dell DiagnosticsWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard Drive 137Option Function Dell Diagnostics Main Menu138 139 Tab Function140 What Is a Driver? DriversIdentifying Drivers Microsoft Windows XPReinstalling Drivers and Utilities Using Windows Device Driver RollbackMicrosoft Windows Vista 142Fix a Problem section, click Hardware Troubleshooter 143Using Microsoft Windows System Restore Starting System RestoreRestoring Your Operating System 144145 Undoing the Last System RestoreEnabling System Restore 146 Using Dell PC Restore and Dell Factory Image RestoreWindows XP Dell PC Restore 147 Windows Vista Dell Factory Image Restore 148Using the Operating System Disc Reinstalling Windows XP or Windows VistaBefore you Begin 149150 Before You Begin Recommended ToolsTurning Off Your Computer 151Before Working Inside Your Computer 152153 Removing the Computer Cover and Front PanelRemoving the Computer Cover 154 Removing the Front Panel 155Rotating the Hard Drive Carrier Out of the Computer 156157 Replacing the Front Panel and Computer Cover 158Rotating the Hard-Drive Carrier Back into the Computer 159Replacing the Front Panel 160Replacing the Computer Cover 161162 Panel 163Panel Components 164Removing the I/O Panel 165166 Power Supply Power Supply DC Connector Pin AssignmentsReplacing the I/O Panel 167DC Power Connectors P1 168Pin Number Signal name 169DC Power Connectors P2 170171 DC Power Connector P3DC Power Connector P5 DC Power Connector P6 DC Power Connector FD5 172DC Power Connector Bay 1 Pata DC Power Connectors Bays 1, 2, and 3 SataSignal name AWG Wire 173Removing the Power Supply 174175 Battery Replacing the Power SupplyAbout the Battery 176Replacing the Battery 177178 179 ProcessorRemoving the Processor 180 Heat-sink assembly 181182 Installing the Processor 183184 185 186 187 MemoryFully Buffered Dimm FBD Memory Overview Memory Installation 188Removing Memory 189Installing Memory 190191 192 193 CardsExpansion Card Support Installing an Expansion Card 194195 196 197 198 199 200 Removing an Expansion Card 201202 203 204 205 DrivesTower Computer Drives Desktop Computer Drives 206About the Metal Shields Present in Some Drive Configurations 207208 General Drive Installation Guidelines 209210 211 212 Controller Card Data Cable ConnectorsHard Drive 213 214 215 216 217 Removing an Optional Third Hard Drive Tower Computer Only 218219 220 Installing an Optional Third Hard Drive Tower Computer Only 221222 223 224 225 226 227 Installing an Optional Third Sata Hard Drive Desktop Only 228229 230 231 232 233 Drive PanelsRemoving the Drive Panel 234 Removing a Drive-Panel Insert 235Replacing a Drive-Panel Insert 236Replacing the Drive Panel 237238 239 Removing a Floppy Drive Tower Computer 240241 242 Installing a Floppy Drive Tower Computer 243244 245 Removing a Floppy Drive Desktop Computer 246247 248 249 Installing a Floppy Drive Desktop Computer 250251 252 253 254 Media Card ReaderRemoving a Media Card Reader Tower Computer 255 256 Installing a Media Card Reader Tower Computer 257258 259 Removing a Media Card Reader Desktop Computer 260261 262 263 Installing a Media Card Reader Desktop Computer 264265 266 267 268 Optical DriveRemoving an Optical Drive Tower Computer 269 270 Installing an Optical Drive Tower Computer 271272 273 Removing an Optical Drive Desktop Computer 274275 276 Installing an Optical Drive Desktop Computer 277278 279 280 281 System BoardRemoving the System Board 282 283 Replacing the System Board 284285 286 287 288 Obtaining Assistance 289290 Technical Support and Customer ServiceOnline Services Problems With Your Order AutoTech ServiceAutomated Order-Status Service Product Information292 Returning Items for Warranty Repair or CreditBefore You Call 293 Diagnostics Checklist 294Contacting Dell 295296 297 FCC Notice U.S. OnlyFCC Class B 298 Glossary 299300 301 Device driver See driver302 303 304 305 306 307 Module bay See media bay308 NIC See network adapter309 310 311 312 Video resolution See resolution 313314 315 316