Clearing Forgotten Passwords | Dell YT583 manual

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.

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Clearing Forgotten Passwords

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Dell YT583 manual Clearing Forgotten Passwords

Contents

Dell Precision T7400 User’s Guide August Contents RAID Configuration and Management Performing Configuration Tasks Trusted Platform Module TPM Security Management Software Clearing Forgotten Passwords 115 105113 116 Replacing the Front Panel and Computer Cover 144 139Removing the Computer Cover and Front Panel 141 146 194 Technical Support and Customer Service Automated Order-Status Service Contents Contents Finding Information What Are You Looking For? Find It Here Drivers and Utilities Disc Quick Reference Guide At support.dell.com Service 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 5.25-inch drive bays Back View of the Computer Back Panel Connectors Information, see System Setup Options on Link integrity light Inside View System Board Components USB Intusb B l e C o l o r s Memory SpecificationsProcessor System Information Expansion PCI Ports and Connectors Video Key Combinations AudioDrives Controls and Lights Power Physical Environmental LegacySelect Technology Control ManageabilityAlert Standard Format Alert Description Chassis intrusion alert has been cleared Power Management Dell OpenManage IT AssistantDell OpenManage Client Instrumentation Sleep Mode Wake-Up Methods Windows XP About RAID Configurations Hyperthreading and Multi-Core Technology RAID Level RAID Level Hard drive RAID Level Configuring Your Computer for RAID RAID Configuration UtilityRAID Configuration and Management Entering the RAID Configuration Utility Performing Configuration Tasks Creating a RAID Level 0 ConfigurationExit Screen Creating a RAID Level 1 Configuration Creating a Second RAID Volume Viewing RAID Volume Properties Synchronizing a RAID Volume Virtual Disk Activating a RAID VolumeDeleting a RAID Volume Replacing and Rebuilding a Degraded RAID Volume From the Adapter Properties screen, select RAID Properties Advanced Features Setting Up Your Computer Installing Your Computer in an Enclosure Setting Up Your Computer Connecting to the Internet Setting Up Your Internet Connection Windows XP Transferring Information to a New Computer Windows Vista Microsoft Windows XP To prepare a new computer for the file transfer Setting Up Your Computer Setting Up Your Computer Power Protection Devices Microsoft Windows Vista Uninterruptible Power Supplies Surge ProtectorsLine Conditioners Removing the Chassis Intrusion Switch Chassis Intrusion Detection Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector Security Cable Lock Passwords About Passwords Using a Primary or System Password Type of Password Features Option Settings Assigning a System Password Typing Your System Password Deleting or Changing an Existing System Password Using an Administrator Password Assigning an Administrator Password Disabling a Forgotten Password and Setting a New Password Deleting or Changing an Existing Administrator Password Enabling the TPM Feature Trusted Platform Module TPM Computer Tracking Software Using the Security Management SoftwareSecurity Management Software Activating the Security Management Software If Your Computer Is Lost or Stolen Securing Your Computer Entering System Setup System Setup OptionsOverview 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 Boot Menu Option SettingsSelecting the Boot Device for the Current Boot Changing Boot Sequence for Future Boots Booting to a USB DeviceMemory Key Floppy Drive Clearing Forgotten Passwords Jumper Setting Clearing Forgotten Passwords Clearing Cmos Settings Flashing the Bios Clearing Forgotten Passwords Computer, Keyboard, and Monitor Floppy DriveCDs and DVDs Cleaning Your Computer Solving Problems Battery ProblemsDrive Problems Optical drive problems Problems writing to an optical drive Mail and Internet Problems Hard drive problems Computer does not start up Keyboard ProblemsLockups and Software Problems Computer stops responding Program is designed for an earlier Windows operating system Program stops respondingProgram crashes repeatedly Solid blue screen appears Memory Problems Other software problems Mouse Problems Network Problems Power Problems 100 Printer Problems 101 Scanner Problems 102 Sound Problems 103 104 Diagnostic Lights Power Diagnostic LightsDiagnostic Light Codes Before Post 105 Suggested Resolution 106 107 Diagnostic Light Codes During Post Light Pattern Problem Description Suggested Resolution108 Light Pattern Problem Description 109 110 111 112 Power Lights 113 114 Beep Codes 115Code Cause Error Messages 116 117 Do not use these characters in filenames VO L T a G E I S L O W Replace the battery. See 118 T a Error See Drive Problems on 119 120 121 122 Dell Diagnostics When to Use the Dell Diagnostics123 Starting the Dell Diagnostics From Your Hard Drive 124 Dell Diagnostics Main Menu 125Option Function 126 Tab Function Diagnostics Checklist 127 128 Identifying Drivers What Is a Driver?Drivers Microsoft Windows XP Microsoft Windows Vista Reinstalling Drivers and UtilitiesUsing Windows Device Driver Rollback 130 Fix a Problem section, click Hardware Troubleshooter 131 Restoring Your Operating System Using Microsoft Windows System RestoreStarting System Restore 132 Undoing the Last System Restore Enabling System Restore133 Using Dell PC Restore and Dell Factory Image Restore Windows XP Dell PC Restore134 135 Windows Vista Dell Factory Image Restore 136 Before you Begin Using the Operating System DiscReinstalling Windows XP or Windows Vista 137 138 Turning Off Your Computer Before You BeginRecommended Tools 139 Before Working Inside Your Computer 140 Removing the Computer Cover and Front Panel Removing the Computer Cover141 142 Removing the Front Panel 143 Replacing the Front Panel and Computer Cover Replacing the Front Panel144 Replacing the Computer Cover 145 Panel 146 Panel Components 147 Removing the I/O Panel 148 Replacing the I/O Panel 149 Processor Removing the Processor150 151 Heat-sink assembly 152 153 Installing the Processor 154 155 156 157 158 159 Power Supply DC Connector Pin Assignments160 DC Power Connector P1 Pin Number Signal name Wire Color161 DC Power Connectors P2 Pin Number Signal Name162 DC Power Connector P5 DC Power Connector P7163 DC Power Connectors P10, P11 DC Power Connectors P12, P13, P14, P15, P16, P17164 AWG Wire DC Power Connector P18DC Power Connector P19 165 DC Power Connector P22, P23 DC Power Connector P24166 Removing the Power Supply DC Power Connector FDD167 168 About the Battery BatteryReplacing the Power Supply 169 Removing the Battery 170 Replacing the Battery 171 Memory 172 Memory Installation Fully Buffered Dimm FBD Memory Overview173 174 Removing Memory Without Memory Riser Cards 175 176 177 178 Memory Installation With Optional Memory Riser Cards 179 Installing Memory With Optional Memory Riser Cards 180 181 182 183 184 185 186 Removing Memory With Optional Memory Riser Cards 187 188 189 190 191 192 193 Cards Expansion Card Support194 Installing an Expansion Card 195 196 197 198 199 200 201 Removing an Expansion Card 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 Removing the Optional Graphics Riser Card 223 224 Drives Replacing the Optional Graphics Riser Card225 226 General Drive Installation Guidelines General Drive Installation Guidelines227 228 229 Removing a Hard Drive Hard Drive Bays Controller Card Data Cable ConnectorsHard Drive 230 231 232 233 234 Installing a Hard Drive Hard Drive Bays 235 236 237 238 Removing a Fifth Sata Hard Drive Optional 239 240 241 Installing a Fifth Sata Hard Drive Optional 242 243 244 245 Drive Panels Removing the Drive Panel246 Removing a Drive-Panel Insert 247 248 Replacing a Drive-Panel Insert Replacing the Drive Panel249 250 Removing a Floppy Drive 251 252 253 Installing a Floppy Drive 254 255 256 257 Media Card Reader Removing a Media Card Reader258 259 260 Installing a Media Card Reader 261 262 263 264 Optical Drive Removing an Optical Drive265 266 267 Installing an Optical Drive 268 269 270 System Board Removing the System Board271 272 273 274 275 276 Replacing the System Board 277 278 279 280 Obtaining Assistance 281 Technical Support and Customer Service Online Services282 Automated Order-Status Service Problems With Your OrderAutoTech Service Product Information Returning Items for Warranty Repair or Credit Before You Call284 285 286 Contacting Dell 287 288 FCC Notice U.S. Only FCC Class B289 290 Glossary 291 292 293 Product ID 294 295 296 297 298 299 Module bay See media bay 300 NIC See network adapter 301 302 303 304 Video resolution See resolution 305 306 307