Dell Optiplex-620

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DC Power Connectors P8 and P9

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Pin Number

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Signal Name

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22-AWG Wire

+5 VCD

Red

COM

Black

COM

Black

+12 VDC

Yellow

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Pin Number

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Signal name

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18-AWG Wire

+12 VDC

Yellow

COM

Black

COM

Black

+5 VDC

Red

Main Page

Advanced Features2
Legacyselect Technology Control2
Alert Standard Format2
Dell Openmanage Client Instrumentation2
Password Protection3
Chassis Intrusion Detection3
Padlock Ring and Security Cable Slot3
System Password3
Option Settings4
Assigning a System Password4
Typing Your System Password4
Administrator Password5
Deleting or Changing an Existing System Password5
Assigning an Administrator Password5
Operating Your Computer with an Administrator Password Enabled5
Deleting or Changing an Existing Administrator Password5
Disabling a Forgotten Password and Setting a New Password6
Entering System Setup6
System Setup Screens6
System Setup Options7
Changing Boot Sequence for the Current Boot9
Boot Sequence9
Booting to a USB Device10
Changing Boot Sequence for Future Boots10
Memory Key10
Clearing Forgotten Passwords11
Clearing CMOS Settings12
Hyper-Threading13
Power Management13
Replacing the Battery15
Before You Begin17
Recommended Tools17
Turning off Your Computer17
Before Working Inside Your Computer17
Removing the Chassis Intrusion Switch19
Replacing the Chassis Intrusion Switch20
Resetting the Chassis Intrusion Detector21
Cleaning Your Computer22
Computer, Keyboard, and Monitor22
Cds and Dvds22
Replacing the Computer Cover24
Notes, Notices, and Cautions25
Abbreviations and Acronyms25
Desktop Computer25
Finding Information27
Getting Help30
Technical Assistance30
Online Services30
Problems with Your Order31
Product Information31
Returning Items for Warranty Repair or Credit31
Autotech Service31
Technical Support Service31
Before You Call32
Contacting Dell32
DDR2 Memory Overview53
Addressing Memory with 4-GB Configurations54
Removing Memory54
Replacing/Adding Additional Memory54
About Your Mini Tower Computer57
Front View57
Back View58
Back Panel Connectors58
Inside Your Computer60
System Board Components60
Jumper Settings61
PCI and PCI Express Cards and Serial Port Adapters62
Installing a PCI Card62
Removing a PCI Card64
Installing a PCI Express Card65
Removing a PCI Express Card67
Installing a Serial Port Adapter68
Removing a Serial Port Adapter70
Removing the Computer Cover71
General Installation Guidelines72
Ide Drive Addressing72
Connecting Drive Cables72
Drive Interface Connectors72
Power Cable Connectors73
Connecting and Disconnecting Drive Cables73
Hard Drive73
Removing a Hard Drive74
Installing a Hard Drive74
Adding a Second Hard Drive76
Drive-Panel Inserts77
Removing the Floppy Drive79
Installing the Floppy Drive79
Removing a CD/DVD Drive80
Installing a CD/DVD Drive81
Removing the I/O Panel83
Replacing the I/O Panel83
Removing the Processor85
Installing the Processor86
Replacing the Power Supply88
DC Power Connectors89
Mini Tower Computer Specifications92
Fcc Notices (U.s. Only)96
FCC Identification Information97
Reinstalling Drivers and the Operating System98
What Is a Driver98
Identifying Drivers98
Reinstalling Drivers and Utilities98
Using Windows Xp Device Driver Rollback98
Using the Optional Drivers and Utilities CD99
Using Microsoft Windows Xp System Restore99
Creating a Restore Point99
Restoring the Computer to an Earlier Operating State100
Undoing the Last System Restore100
Reinstalling Microsoft Windows XP100
Enabling System Restore100
Reinstalling Windows XP101
Booting from the Operating System CD101
Windows Xp Setup101
Replacing the System Board103
Mini Tower System Board Screws103
Desktop System Board Screws104
Small Form Factor System Board Screws104
About Your Desktop Computer106
Front View106
Back View107
Back Panel Connectors107
Inside Your Computer108
System Board Components109
Jumper Settings109
PCI and PCI Express Cards and Serial Port Adapters111
Installing a PCI Card in the Riser-Card Cage113
Removing a PCI Card from the Riser-Card Cage115
Installing a PCI Express X16 Card117
Removing a PCI Express X16 Card118
Installing a Serial Port Adapter119
Removing the Computer Cover123
General Installation Guidelines124
Connecting Drive Cables124
Drive Interface Connectors124
CD/DVD Drive125
Installing a CD/DVD Drive126
Removing a Floppy Drive127
Installing a Floppy Drive128
Installing a Hard Drive130
Removing the I/O Panel132
Replacing the I/O Panel132
Removing the Processor134
Installing the Processor135
Desktop Computer Specifications142
About Your Small Form Factor Computer146
Front View146
Back View147
Back Panel Connectors147
Inside Your Computer148
System Board Components149
Jumper Settings149
Removing the Computer Cover155
General Installation Guidelines156
Connecting Drive Cables156
Drive Interface Connectors156
Hard Drive157
Installing a Hard Drive158
Small Form Factor Computer Specifications170
Notes, Notices, and Cautions173
Abbreviations and Acronyms173
Solving Problems175
Battery Problems175
CD and DVD Drive Problems175
Keyboard Problems176
Lockups and Software Problems176
Hard Drive Problems176
The Computer Does Not Start up177
The Computer Stops Responding177
A Program Stops Responding177
A Program Crashes Repeatedly177
A Solid Blue Screen Appears177
Other Software Problems177
Memory Problems178
Mouse Problems178
Network Problems179
Power Problems179
Printer Problems180
Restoring Default Settings180
Serial or Parallel Device Problems181
Sound and Speaker Problems181
No Sound from Speakers181
No Sound from Headphones182
Video and Monitor Problems182
If the Screen Is Blank182
If the Screen Is Difficult to Read182
Mini Tower Computer184
Troubleshooting Tools and Utilities187
When to Use the Dell Diagnostics187
Starting the Dell Diagnostics from Your Hard Drive187
Dell Diagnostics Main Menu188
System Lights188
Diagnostic Lights189
Beep Codes190
Error Messages191
Resolving Software and Hardware Incompatibilities193
Ultra Small Form Factor Computer195
About Your Ultra Small Form Factor Computer197
Side View197
Connecting a VGA Monitor199
Connecting Two Monitors199
Cable Cover (Optional)201
Attaching the Cable Cover201
Removing the Cable Cover201
Connecting the Power Adapter202
Module Bay209
Installing a Device When Your Computer Is Turned off209
Securing a Device in the Module Bay210
Ultra Small Form Factor Computer Specifications215
Warranty218
Microsoft® Windows® XP Features219
Transferring Information to a New Computer219
User Accounts and Fast User Switching220
Setting up a Home and Office Network220
Adding User Accounts220
Connecting to a Network Adapter220
Network Setup Wizard220

Dell Optiplex-620 - Page 91

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