Clearing Forgotten Passwords, Jumper Setting | Dell YT583 specification

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Clearing Forgotten Passwords

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

NOTICE: This process erases both the system and the administrator passwords.

1Follow the procedures in "Before You Begin" on page 139.

Jumper

Setting

Description

PSWD

Password features are enabled (default setting).

Password features are disabled.

RTCRST

The real-time clock has not been reset (default setting).

The real-time clock is being reset.

jumpered

unjumpered

2Remove the computer cover (see "Removing the Computer Cover" on page 141).

Clearing Forgotten Passwords

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Dell YT583 manual Clearing Forgotten Passwords, Jumper Setting

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 LegacySelect Technology Control ManageabilityAlert Standard Format Chassis intrusion alert has been cleared Alert Description Power Management Dell OpenManage IT AssistantDell OpenManage Client Instrumentation 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 Performing Configuration Tasks Creating a RAID Level 0 ConfigurationExit Screen Creating a RAID Level 1 Configuration Viewing RAID Volume Properties Creating a Second RAID Volume Synchronizing a RAID Volume Virtual Disk Activating a RAID VolumeDeleting 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 Uninterruptible Power Supplies Surge ProtectorsLine Conditioners 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 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 Jumper Setting Clearing Forgotten Passwords Clearing Forgotten Passwords Flashing the Bios Clearing Cmos Settings Clearing Forgotten Passwords Computer, Keyboard, and Monitor Floppy DriveCDs and DVDs Cleaning Your Computer Solving Problems Battery ProblemsDrive 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 Diagnostic Light Codes During Post Light Pattern Problem Description Suggested Resolution108 109 Light Pattern Problem Description 110 111 112 113 Power Lights 114 Beep Codes 115Code Cause 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 Dell Diagnostics When to Use the Dell Diagnostics123 124 Starting the Dell Diagnostics From Your Hard Drive Dell Diagnostics Main Menu 125Option Function 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 Undoing the Last System Restore Enabling System Restore133 Using Dell PC Restore and Dell Factory Image Restore Windows XP Dell PC Restore134 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 Removing the Computer Cover and Front Panel Removing the Computer Cover141 142 143 Removing the Front Panel Replacing the Front Panel and Computer Cover Replacing the Front Panel144 145 Replacing the Computer Cover 146 Panel 147 Panel Components 148 Removing the I/O Panel 149 Replacing the I/O Panel Processor Removing the Processor150 151 152 Heat-sink assembly 153 154 Installing the Processor 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 165 DC Power Connector P18DC Power Connector P19 AWG Wire DC Power Connector P22, P23 DC Power Connector P24166 Removing the Power Supply DC Power Connector FDD167 168 169 BatteryReplacing the Power Supply About the Battery 170 Removing the Battery 171 Replacing the Battery 172 Memory Memory Installation Fully Buffered Dimm FBD Memory Overview173 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 Cards Expansion Card Support194 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 Drives Replacing the Optional Graphics Riser Card225 226 General Drive Installation Guidelines General Drive Installation Guidelines227 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 Drive Panels Removing the Drive Panel246 247 Removing a Drive-Panel Insert 248 Replacing a Drive-Panel Insert Replacing the Drive Panel249 250 251 Removing a Floppy Drive 252 253 254 Installing a Floppy Drive 255 256 257 Media Card Reader Removing a Media Card Reader258 259 260 261 Installing a Media Card Reader 262 263 264 Optical Drive Removing an Optical Drive265 266 267 268 Installing an Optical Drive 269 270 System Board Removing the System Board271 272 273 274 275 276 277 Replacing the System Board 278 279 280 281 Obtaining Assistance Technical Support and Customer Service Online Services282 Product Information Problems With Your OrderAutoTech Service Automated Order-Status Service Returning Items for Warranty Repair or Credit Before You Call284 285 286 287 Contacting Dell 288 FCC Notice U.S. Only FCC Class B289 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