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Dell 755 About Your Ultra Small Form Factor Computer 227, 228, 229, 230, 231, 232, 233, 236, 237

Models: 755

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8 Ultra Small Form Factor Computer

About Your Ultra Small Form Factor Computer	227
Front View	227
Side View	228
Back View	229
Back Panel Connectors	229
Connecting a VGA Monitor	230
Connecting Two Monitors	231
Removing the Computer Cover	232
Inside Your Computer	233
Chassis Intrusion Switch	233
Removing the Chassis Intrusion Switch	234
Replacing the Chassis Intrusion Switch	234
Resetting the Chassis Intrusion Detector	235
System Board Components	236
Cable Cover (Optional)	237
Attaching the Cable Cover	237
Removing the Cable Cover	237
Connecting the AC Power Adapter	238
Dell Badge	239
Ultra Small Form Factor Computer Specifications	241
Drives	247
General Installation Guidelines	247
Connecting Drive Cables	247
Data Interface Connectors	247
Power Cable Connectors	248
Connecting and Disconnecting Drive Cables	248
Hard Drive	248
Installing a Hard Drive	249
Replacing a Hard Drive Fan	252

Contents

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Dell 755 About Your Ultra Small Form Factor Computer 227, 228, 229, 230, 231, 232, 233, 236, 237, 238, 239, 247, 248, 249

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m Dell OptiPlex User’s GuideSeptember JN460 Contents General Drive Installation Guidelines Connecting and Disconnecting Drive CablesDC Power Connectors P3, P5, P8, and P9 Desktop Computer Connecting and Disconnecting Drive Cables 129 General Drive Installation Guidelines 127DC Power Connector P5 and P6 160 Contents 127163 Small Form Factor Computer Specifications 175About Your Small Form Factor Computer 165 166197 Connecting and Disconnecting Drive Cables 196199 202Connecting and Disconnecting Drive Cables 248 Ultra Small Form Factor Computer Specifications 241About Your Ultra Small Form Factor Computer 227 228About Smart Cards and Fingerprint Readers 276 Contents Installing a Device When Your Computer Is Turned Off 255255 258Deleting or Changing an Existing Administrator Password 280 Deleting or Changing an Existing System Password 278277 278294 Configuring Power Management Settings 295295 296313 Addressing Memory Configurations 314316 Mini-Tower, Desktop, and Small Form Factor Computers 317Mail, Modem, and Internet Problems 334 Problems writing to an optical drive 333Troubleshooting Power Problems 339 329Undoing the Last System Restore 360 Using Microsoft Windows System Restore 359Using Dell PC Restore and Dell Factory Image Restore 361 Windows Vista Dell Factory Image Restore 362365 Returning Items for Warranty Repair or Credit 367366 367Finding Information How to set up my computerDesktop System Software DSS Support.dell.comDell Product Information Guide What Are You Looking For? Find It Here Warranty informationUpdates Order status, warranty, and repair informationSegment, and enter your Service Tag For your configuration How to use Windows XPSystem you ordered Not ship with your computerRecommended Tools Before You BeginBefore Working Inside Your Computer Turning Off Your ComputerBefore You Begin About Your Mini Tower Computer Mini Tower ComputerFront View Mini Tower ComputerPower problem may exist see Power Problems on Blinking green The computer is in a power-saving mode21 for more information No light The computer is turned offBack View Back Panel Connectors Address. For more information, see System Setup Options onGreen a good connection exists between a 10-Mbps network Removing the Computer Cover CapThat came with your computer Security cable slot Cover release latch Padlock ring Inside Your Computer Chassis Intrusion SwitchReplacing the Chassis Intrusion Switch Removing the Chassis Intrusion SwitchResetting the Chassis Intrusion Detector System Board Components SATA3 Mini Tower Computer Mini Tower Computer Specifications Connector size ConnectorsConnector data width Maximum PCI Express ConnectorsTwo Sata Serial ATA hard drives DrivesOne3.5-inch floppy drive or media reader Two Sata optical drivesControls and Lights AC power source WattageHeat dissipation Rating VoltagePhysical Height WeightWidth DepthMini Tower Specifications Installing a PCI or PCI Express Card CardsCards Cards Cards Cards Removing a PCI or PCI Express Card Card retention latch Alignment guide Card-edge connector Card connectorCard retention latch PS/2 Serial Port AdapterCard fully seated Card not fully seated Bracket within slot Cards Card retention latch Alignment guide Installing eSATA Cards Drives General Drive Installation GuidelinesSata Connector Power Cable ConnectorsHard Drive Data cable Hard drive system board Power cable Connector Hard drive Release tabs Snap the bracket onto the new drive Drives Drives Hard drive Hard drive bracket Pins Drives Floppy Drive Floppy drive Drive release latch Floppy drive Shoulder screws Shoulder screw slots Media Card Reader Media card reader Drive release latch Media card Shoulder screws Shoulder screw slots Reader Optical Drive Optical drive Drive release latch Optical drive Shoulder screws Shoulder screw slots Power cable Data cable Sata optical drive connector Processor Removing the ProcessorProcessor Installing the Processor Processor Processor Panel Removing the I/O PanelPanel Replacing the I/O Panel Power Supply Replacing the Power SupplyPower Supply Release button Power supply Screws AC power connector DC Power Connector P1 DC Power ConnectorsPin Number Signal name AWG Wire DC Power Connector P2 DC Power Connectors P3, P5, P8, and P9Pin Number Signal Name DC Power Connector P10 DC Power Connector P7Installing a Speaker SpeakersSpeakers Removing a Speaker About Your Desktop Computer Desktop ComputerYour Computer on page 21 for more information Desktop ComputerPower Management for Windows XP and Windows Vista on Blinking or solid amber See Power Problems onPosition Removing the Computer Cover Inside Your Computer Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Removing the Heat Sink Assembly System Board Components Desktop Computer Desktop Computer Specifications Desktop Computer SpecificationsMaximum PCI Express without riser-card Cage Connectors PCI without riser-card cage ConnectorsBoard Card or a DVI graphics card for dual-monitor supportExpansion Bus Connector size Maximum ESATA Desktop Computer SpecificationsMaximum One3.5-inch floppy drive or media card reader 100One Sata optical drive Port adapter101 Power source WattagePower Heat dissipation 102Rating PCI Cards 103Expansion Cards Expansion Cards 105 Expansion Cards 107 Expansion Cards 109 Expansion Cards 111 112 113 Press in on the tab to raise the card-retention latch 114 115 PS/2 Serial Port Adapter 117 Expansion Cards 119 Riser-card cage Handle Riser cards 121 Expansion Cards 123 ESATAExpansion Cards 125 Replace the riser 127 128 129 Drive Inserts130 131 Drive release latch Optical drive 133 134 135 Drive insert Information Guide Drives 137Drive release latch Media card reader 139 Drive insert 141 Hard Drive 143 Hard drive Release tabs Plastic hard drive bracket 145 Drives 147 Data cable Hard drive system board Connector 149 Installing the Processor 151 Processor 153 Replacing the I/O Panel 155 Release button Power supply Screws AC power connector 157 158 Pin Signal name 18-AWG Number Wire159 DC Power Connector P4 DC Power Connector P3DC Power Connector P5 and P6 160161 162 163 164 About Your Small Form Factor Computer Small Form Factor Computer165 Small Form Factor Computer166 167 Removing the Computer Cover 169 170 171 172 173 174 Small Form Factor Computer Specifications Small Form Factor Computer Specifications175 Connector Maximum PCI Express Connector176 Port adapter Video 177178 179 180 181 Expansion Cards 183 184 185 PCI Express and DVI Cards186 187 Expansion Cards 189 Expansion Cards 191 PS2/SERIAL2 193 Expansion Cards 195 General Installation GuidelinesSerial ATA Sata Connector 197 Securing tabs Hard drive 199 Release tabs Hard drive Hard drive bracket 201 Replacing a Hard Drive Fan 203 Optical Drive 205 Floppy Drive 207 Installing a Floppy Drive 209 Media card reader data cable 211 Replacing a Media Card ReaderDrives 213 Installing the Processor 215 Processor 217 Replacing the I/O Panel 219 Mounting screw 221 Pin Signal Name Number222 DC Power Connectors P3 Pin Signal 18-AWG Number Name Wire223 DC Power Connector P5 DC Power Connector P6224 225 226 About Your Ultra Small Form Factor Computer Ultra Small Form Factor Computer227 3 4Side View Blinking or solid yellow See Power Problems on228 Management for Windows XP and Windows Vista on229 Network controller is turned off in system setup 231 Connecting Two Monitors232 233 Removing the Chassis Intrusion Switch 235 236 237 Cable Cover OptionalInformation Guide Connecting the AC Power Adapter239 Dell Badge240 241 Ultra Small Form Factor Computer Specifications242 Ultra Small Form Factor Computer Specifications243 AC power source 244Physical 245 246 247 Your computer supports One Sata serial ATA hard drive248 249 Drives 251 Drives 253 Drives Module Bay Installing a Device When Your Computer Is Turned Off255 Module BayBottom of computer Security screw 257 Latch release 259 Securing a Device in the Module Bay260 261 Top of heat sink Heat sink Retention base Release tab 263 Processor 265 266 267 Removing a Speaker Advanced Features Advanced FeaturesLegacySelect Technology Control ManageabilityActive Management Technology Error Message Description270 Advanced Functionality271 Alert Standard Format Dell OpenManage ApplicationsAlert Description 273 Dell Client Manager DCMPhysical Security Option SettingsChassis Intrusion Detection Padlock Ring and Security Cable SlotEnabling the TPM Feature Trusted Platform Module TPM275 Computer Tracking Software Security Management SoftwareAbout Smart Cards and Fingerprint Readers 276Password Protection System Password277 Type the password and press Enter 279 Administrator PasswordDisabling a Forgotten Password and Setting a New Password System SetupEntering System Setup OverviewSystem Setup Screens System Setup Options281 282 Internal default283 No Boot settingPerformance 284Computrace server 285286 SuspendEvent Log 287 Boot SequenceMemory Key Booting to a USB DeviceJumper Settings Mini Tower and Desktop Small Form Factor Advanced Features289 Ultra Small Form Factor Computer Jumper Setting Description Clearing Forgotten Passwords291 Clearing Cmos SettingsPower Management for Windows XP and Windows Vista Hyperthreading and Multi-Core TechnologyOptions in Windows XP 293 Options in Windows Vista 295 About RAID ConfigurationsVerifying That RAID Is Working RAID LevelSegment Hard drive RAID Level 1 Configuration Configuring Your Computer for RAID297 Creating a RAID Level 1 Configuration Creating a RAID Level 0 Configuration299 Creating a RAID Level 1 Configuration Migrating to a RAID Level 0 Configuration Migrating to a RAID Level 1 Configuration301 Advanced Features Replacing the Battery BatteryBattery 303Battery 305 306 Replacing the System Board 307Replacing the System Board 308 Mini Tower System Board Screws309 Desktop System Board Screws310 Small Form Factor System Board Screws311 Ultra Small Form Factor System Board Screws312 Memory DDR2 Memory Overview313 Installing Memory Addressing Memory Configurations315 Memory connector closest to Securing clips ProcessorCutouts Memory module CrossbarRemoving Memory Mini-Tower, Desktop, and Small Form Factor Computers Replacing the Computer CoverUltra Small Form Factor Computers 317318 Installing Your Computer in an Enclosure Installing Your Computer in an Enclosure319 320 321 Installing Your Computer in an Enclosure Cleaning a Non-Optical Mouse Cleaning Your ComputerCleaning an Optical Mouse Computer, Keyboard, and MonitorCDs and DVDs Floppy DriveMicrosoft Windows XP Features Microsoft Windows FeaturesTransferring Information to a New Computer Microsoft Windows XPMicrosoft Windows XP Features Microsoft Windows Vista Click Finished and restart the new computer327 Connecting to a Network Adapter Setting Up a Home and Office NetworkNetwork Setup Network device Network adapter connector on computer329 330 Battery Problems TroubleshootingCard Problems Solving Problems332 Drive ProblemsProblems writing to an optical drive Optical drive problemsHard drive problems 333334 Mail, Modem, and Internet ProblemsClick Properties→ Tools→ Check Now Windows XP Click Start→ All Programs→ Modem Helper335 Lockups and Software Problems Keyboard ProblemsProgram crashes repeatedly Other software problemsProgram is designed for an earlier Windows operating system Solid blue screen appearsMemory Problems Mouse Problems338 Power Problems Network ProblemsTroubleshooting Power Problems 339340 Power Supply Self-Test341 Printer ProblemsSound and Speaker Problems Scanner ProblemsNo sound from speakers 342No sound from headphones Video and Monitor ProblemsScreen is blank Screen is difficult to read 3433D image quality is poor Power LightsPower Light Problem Description Suggested Resolution System Lights345 346 Power Light Problem DescriptionDiagnostic Lights Light Pattern Problem Description347 348 Light Pattern Problem Description Suggested Resolution349 Beep Codes 350Code Cause System Messages 351Message Possible Cause Corrective Action Message Possible Cause 352When to Use the Dell Diagnostics Dell Diagnostics353 Product Information GuideSolving Problems 355 Option FunctionTab Function What Is a Driver? DriversIdentifying Drivers 357 Reinstalling Drivers and Utilities358 You can restore your operating system in the following ways Using Microsoft Windows System RestoreRestoring Your Operating System To start the Hardware TroubleshooterStarting System Restore Using Dell PC Restore and Dell Factory Image Restore Using PC Restore361 Image Restore Removing PC RestoreClick Finish to reboot the computer Using the Operating System MediaClick Exit if the Install Windows message appears 363Solving Problems Getting Help Online ServicesObtaining Assistance 365AutoTech Service Automated Order-Status ServiceSupport Service Problems With Your Order Before You Call367 Guide 368369 Contacting Dell Warranty Warranty371 372 FCC Class B FCC Notices U.S. Only373 FCC Notices US Only374 375 Glossary376 377 378 379 380 381 382 383 384 Video resolution See resolution385 386