Replacing the Computer Cover, 145 | Dell YT583 manual

2Pull the front-panel release lever, and slide the panel to the right to engage and secure the front panel.

Replacing the Computer Cover

NOTICE: The computer cooling system cannot function properly while the computer cover is not installed. Do not attempt to boot the computer before replacing the computer cover.

1Ensure that all cables are connected, and fold cables out of the way.

Gently pull the power cables toward you so that they do not get caught underneath the drives.

2Ensure that no tools or extra parts are left inside the computer.

3Replace the cover:

a Align the computer cover with the tabs on the computer base.

b Pivot the cover down and gently press the cover until it clicks into place.

c Ensure that the cover is locked. If not, repeat all of step 3.

1

2

1 computer cover

2 computer base

Adding and Replacing Parts

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Dell YT583 manual Replacing the Computer Cover, 145

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 113 105115 116 Removing the Computer Cover and Front Panel 141 139Replacing the Front Panel and Computer Cover 144 146 194 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 Processor SpecificationsMemory System Information PCI Expansion Video Ports and Connectors Drives AudioKey Combinations Controls and Lights Physical Power Environmental Manageability LegacySelect Technology ControlAlert Standard Format Chassis intrusion alert has been cleared Alert Description Dell OpenManage IT Assistant Power ManagementDell 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 RAID Configuration and Management RAID Configuration UtilityConfiguring Your Computer for RAID Entering the RAID Configuration Utility Creating a RAID Level 0 Configuration Performing Configuration TasksExit Screen Creating a RAID Level 1 Configuration Viewing RAID Volume Properties Creating a Second RAID Volume Activating a RAID Volume Synchronizing a RAID Volume Virtual DiskDeleting 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 Surge Protectors Uninterruptible Power SuppliesLine 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 Security Management Software Using the Security Management SoftwareComputer Tracking Software Activating the Security Management Software If Your Computer Is Lost or Stolen Securing Your Computer System Setup Options Entering System SetupOverview 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 Option Settings Boot MenuSelecting the Boot Device for the Current Boot Booting to a USB Device Changing Boot Sequence for Future BootsMemory Key Floppy Drive Jumper Setting Clearing Forgotten Passwords Clearing Forgotten Passwords Flashing the Bios Clearing Cmos Settings Clearing Forgotten Passwords Floppy Drive Computer, Keyboard, and MonitorCDs and DVDs Cleaning Your Computer Battery Problems Solving ProblemsDrive Problems Problems writing to an optical drive Optical drive problems Hard drive problems Mail and Internet Problems Lockups and Software Problems Keyboard ProblemsComputer does not start up Computer stops responding Program crashes repeatedly Program stops respondingProgram is designed for an earlier Windows operating system Solid blue screen appears Other software problems Memory Problems Network Problems Mouse Problems 100 Power Problems 101 Printer Problems 102 Scanner Problems 103 Sound Problems 104 Diagnostic Light Codes Before Post Diagnostic LightsDiagnostic Lights Power 105 106 Suggested Resolution 107 Light Pattern Problem Description Suggested Resolution Diagnostic Light Codes During Post108 109 Light Pattern Problem Description 110 111 112 113 Power Lights 114 115 Beep CodesCode 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 When to Use the Dell Diagnostics Dell Diagnostics123 124 Starting the Dell Diagnostics From Your Hard Drive 125 Dell Diagnostics Main MenuOption Function Tab Function 126 127 Diagnostics Checklist 128 Drivers What Is a Driver?Identifying Drivers Microsoft Windows XP Using Windows Device Driver Rollback Reinstalling Drivers and UtilitiesMicrosoft Windows Vista 130 131 Fix a Problem section, click Hardware Troubleshooter Starting System Restore Using Microsoft Windows System RestoreRestoring Your Operating System 132 Enabling System Restore Undoing the Last System Restore133 Windows XP Dell PC Restore Using Dell PC Restore and Dell Factory Image Restore134 135 136 Windows Vista Dell Factory Image Restore Reinstalling Windows XP or Windows Vista Using the Operating System DiscBefore you Begin 137 138 Recommended Tools Before You BeginTurning Off Your Computer 139 140 Before Working Inside Your Computer Removing the Computer Cover Removing the Computer Cover and Front Panel141 142 143 Removing the Front Panel Replacing the Front Panel Replacing the Front Panel and Computer Cover144 145 Replacing the Computer Cover 146 Panel 147 Panel Components 148 Removing the I/O Panel 149 Replacing the I/O Panel Removing the Processor Processor150 151 152 Heat-sink assembly 153 154 Installing the Processor 155 156 157 158 159 DC Connector Pin Assignments Power Supply160 Pin Number Signal name Wire Color DC Power Connector P1161 Pin Number Signal Name DC Power Connectors P2162 DC Power Connector P7 DC Power Connector P5163 DC Power Connectors P12, P13, P14, P15, P16, P17 DC Power Connectors P10, P11164 DC Power Connector P19 DC Power Connector P18AWG Wire 165 DC Power Connector P24 DC Power Connector P22, P23166 DC Power Connector FDD Removing the Power Supply167 168 Replacing the Power Supply BatteryAbout the Battery 169 170 Removing the Battery 171 Replacing the Battery 172 Memory Fully Buffered Dimm FBD Memory Overview Memory Installation173 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 Expansion Card Support Cards194 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 Replacing the Optional Graphics Riser Card Drives225 226 General Drive Installation Guidelines General Drive Installation Guidelines227 228 229 Hard Drive Controller Card Data Cable ConnectorsRemoving a Hard Drive Hard Drive Bays 230 231 232 233 234 235 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 Removing the Drive Panel Drive Panels246 247 Removing a Drive-Panel Insert 248 Replacing the Drive Panel Replacing a Drive-Panel Insert249 250 251 Removing a Floppy Drive 252 253 254 Installing a Floppy Drive 255 256 257 Removing a Media Card Reader Media Card Reader258 259 260 261 Installing a Media Card Reader 262 263 264 Removing an Optical Drive Optical Drive265 266 267 268 Installing an Optical Drive 269 270 Removing the System Board System Board271 272 273 274 275 276 277 Replacing the System Board 278 279 280 281 Obtaining Assistance Online Services Technical Support and Customer Service282 AutoTech Service Problems With Your OrderAutomated Order-Status Service Product Information Before You Call Returning Items for Warranty Repair or Credit284 285 286 287 Contacting Dell 288 FCC Class B FCC Notice U.S. Only289 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