166 | Dell NX046 instruction

6Press the tab between the card fan and the front fan towards the card fan as you lift it up and out of the computer.

NOTICE: Carefully note the routing of each cable before you disconnect it, so that you are sure to re-route cables correctly. An incorrectly routed or a disconnected cable could lead to computer problems.

7Note the routing of each cable as you disconnect all cables attached to the I/O panel.

1

2

1 I/O panel

2 mounting screw

8Remove the mounting screw from the I/O panel.

9Remove the I/O panel from the computer.

166

Adding and Replacing Parts

Image 166

Dell NX046 manual 166

Contents

Dell Precision T5400 User’s Guide August Contents Installing Your Computer in an Enclosure Transferring Information to a New Computer Trusted Platform Module TPM Security Management Software Cleaning Your Computer 103 136 129130 141 Turning Off Your Computer 281 193205 289 Returning Items for Warranty Repair or Credit 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 Tower Orientation Ieee 1394 connector Back View of the Computer Tower Orientation Cards Back Panel Connectors Tower Orientation Connector Network adapter Information on booting to a USB device Front View Desktop Orientation Back View Desktop Orientation Inside View Inside View Hard Drive Bay Rotated Out System Board Components Cable Colors Device Color Changing Between Tower and Desktop Modes Tower Orientation Desktop Orientation Spare card retainer Desktop Orientation Tower Orientation FlexBay About Your Computer Specifications Memory ProcessorSystem Information Tower Mode Desktop ModeExpansion Ports and Connectors USB Drives VideoAudio Key Combinations Power Front panel Physical Environmental About Your Computer About Your Computer Manageability LegacySelect Technology ControlAlert Standard Format Alert Description Chassis intrusion alert has been cleared Dell OpenManage IT Assistant Power ManagementDell OpenManage Client Instrumentation Sleep Mode About RAID Configurations Hyperthreading and Multi-Core Technology RAID Level RAID Level RAID level Hard drive Configuring Your Computer for RAID Setting Your Computer to RAID-Enabled Mode Creating a RAID Level 0 Configuration Creating a RAID Level 1 Configuration Creating a RAID Level 5 Configuration Deleting a RAID Volume On the Delete RAID Volume Wizard screen, click Next Migrating to a RAID Level 0 Configuration About Migrating to a RAID ConfigurationDrive RAID 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 Drive Creating 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 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 Surge Protectors Uninterruptible Power SuppliesLine 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 System Setup Options Entering System SetupOverview 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 & Boot Option Settings Selecting the Boot Device for the Current Boot Booting to a USB Device Changing Boot Sequence for Future BootsMemory Key Floppy Drive 100 Jumper Setting Description 101 102 Flashing the Bios Clearing Cmos Settings103 104 CDs and DVDs Computer, Keyboard, and MonitorFloppy Drive 105 106 Drive Problems Solving ProblemsBattery Problems 107 Problems writing to an optical drive Optical drive problems108 Hard drive problems Mail and Internet Problems109 Error Messages 110 Ieee 1394 Device Problems 111 Lockups and Software Problems Keyboard Problems112 Program stops responding Computer does not start upComputer stops responding Program crashes repeatedly Solid blue screen appears Memory ProblemsOther software problems 114 Mouse Problems 115 Power Problems Network Problems116 Printer Problems 117 Scanner Problems 118 Sound Problems 119 120 Diagnostic Lights Power Diagnostic LightsDiagnostic Light Codes Before Post 121 Suggested Resolution 122 Light Pattern Problem Description Diagnostic Light Codes During Post123 124 Light Pattern Problem Description Suggested Resolution 125 126 127 128 129 Beep CodesCode Cause Error Messages 130 131 Click the Change or Remove Program icon 132 Keyboard Failure -See Keyboard Problems on 133 134 135 When to Use the Dell Diagnostics Dell Diagnostics136 Starting the Dell Diagnostics From Your Hard Drive 137 138 Dell Diagnostics Main MenuOption Function 139 Tab Function 140 Identifying Drivers What Is a Driver?Drivers Microsoft Windows XP Microsoft Windows Vista Reinstalling Drivers and UtilitiesUsing Windows Device Driver Rollback 142 Fix a Problem section, click Hardware Troubleshooter 143 Restoring Your Operating System Using Microsoft Windows System RestoreStarting System Restore 144 Enabling System Restore Undoing the Last System Restore145 Windows XP Dell PC Restore Using Dell PC Restore and Dell Factory Image Restore146 147 Windows Vista Dell Factory Image Restore 148 Before you Begin Using the Operating System DiscReinstalling Windows XP or Windows Vista 149 150 Turning Off Your Computer Before You BeginRecommended Tools 151 Before Working Inside Your Computer 152 Removing the Computer Cover Removing the Computer Cover and Front Panel153 154 Removing the Front Panel 155 Rotating the Hard Drive Carrier Out of the Computer 156 157 Replacing the Front Panel and Computer Cover 158 Rotating the Hard-Drive Carrier Back into the Computer 159 Replacing the Front Panel 160 Replacing the Computer Cover 161 162 Panel 163 Panel Components 164 Removing the I/O Panel 165 166 Replacing the I/O Panel Power SupplyPower Supply DC Connector Pin Assignments 167 DC Power Connectors P1 168 Pin Number Signal name 169 DC Power Connectors P2 170 DC Power Connector P5 DC Power Connector P3171 DC Power Connector P6 DC Power Connector FD5 172 Signal name AWG Wire DC Power Connector Bay 1 PataDC Power Connectors Bays 1, 2, and 3 Sata 173 Removing the Power Supply 174 175 About the Battery BatteryReplacing the Power Supply 176 Replacing the Battery 177 178 Removing the Processor Processor179 180 Heat-sink assembly 181 182 Installing the Processor 183 184 185 186 Fully Buffered Dimm FBD Memory Overview Memory187 Memory Installation 188 Removing Memory 189 Installing Memory 190 191 192 Expansion Card Support Cards193 Installing an Expansion Card 194 195 196 197 198 199 200 Removing an Expansion Card 201 202 203 204 Tower Computer Drives Drives205 Desktop Computer Drives 206 About the Metal Shields Present in Some Drive Configurations 207 208 General Drive Installation Guidelines 209 210 211 Hard Drive Controller Card Data Cable Connectors212 213 214 215 216 217 Removing an Optional Third Hard Drive Tower Computer Only 218 219 220 Installing an Optional Third Hard Drive Tower Computer Only 221 222 223 224 225 226 227 Installing an Optional Third Sata Hard Drive Desktop Only 228 229 230 231 232 Removing the Drive Panel Drive Panels233 234 Removing a Drive-Panel Insert 235 Replacing a Drive-Panel Insert 236 Replacing the Drive Panel 237 238 239 Removing a Floppy Drive Tower Computer 240 241 242 Installing a Floppy Drive Tower Computer 243 244 245 Removing a Floppy Drive Desktop Computer 246 247 248 249 Installing a Floppy Drive Desktop Computer 250 251 252 253 Removing a Media Card Reader Tower Computer Media Card Reader254 255 256 Installing a Media Card Reader Tower Computer 257 258 259 Removing a Media Card Reader Desktop Computer 260 261 262 263 Installing a Media Card Reader Desktop Computer 264 265 266 267 Removing an Optical Drive Tower Computer Optical Drive268 269 270 Installing an Optical Drive Tower Computer 271 272 273 Removing an Optical Drive Desktop Computer 274 275 276 Installing an Optical Drive Desktop Computer 277 278 279 280 Removing the System Board System Board281 282 283 Replacing the System Board 284 285 286 287 288 Obtaining Assistance 289 Online Services Technical Support and Customer Service290 Automated Order-Status Service Problems With Your OrderAutoTech Service Product Information Before You Call Returning Items for Warranty Repair or Credit292 293 Diagnostics Checklist 294 Contacting Dell 295 296 FCC Class B FCC Notice U.S. Only297 298 Glossary 299 300 301 Device driver See driver 302 303 304 305 306 307 Module bay See media bay 308 NIC See network adapter 309 310 311 312 Video resolution See resolution 313 314 315 316