Dell OptiPlex 320

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12. Replace the computer cover (see Replacing the Computer Cover).

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heat sink assembly

heat-sink assembly bracket

captive screw housing (2)

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Advanced Features2
Legacyselect Technology Control2
Dell Openmanage Client Instrumentation2
Padlock Ring and Security Cable Slot2
Password Protection3
System Password3
Assigning a System Password3
Typing Your System Password3
Deleting or Changing an Existing System Password4
Option Settings4
Assigning an Administrator Password4
Disabling a Forgotten Password and Setting a New Password5
Entering System Setup5
System Setup Screens5
Operating Your Computer with an Administrator Password Enabled5
Deleting or Changing an Existing Administrator Password5
System Setup Options6
Boot Sequence8
Booting to a USB Device9
Changing Boot Sequence for the Current Boot9
Changing Boot Sequence for Future Boots9
Memory Key9
Clearing Forgotten Passwords10
Floppy Drive10
Clearing CMOS Settings11
Hyper-Threading11
Power Management11
Before You Begin15
Recommended Tools15
Turning off Your Computer15
Before Working Inside Your Computer15
Cleaning Your Computer17
Computer, Keyboard, and Monitor17
Cds and Dvds17
Connecting Multiple Monitors19
Changing the Display Settings20
About Your Desktop Computer21
Front View21
Back View22
Back Panel Connectors22
Inside Your Computer23
System Board Components24
PCI and PCI Express Cards25
Installing an Expansion Card25
Removing an Expansion Card26
Removing the Processor28
Installing the Processor29
General Installation Guidelines31
Connecting Drive Cables31
Drive Interface Connectors31
CD/DVD Drive32
Ide Drive Addressing32
Power Cable Connectors32
Connecting and Disconnecting Drive Cables32
Installing a CD/DVD Drive33
Removing a Floppy Drive34
Installing a Floppy Drive35
Removing a Hard Drive36
Installing a Hard Drive37
Removing the I/O Panel39
Replacing the I/O Panel39
Replacing the Power Supply40
DC Power Connectors41
Removing the Computer Cover44
Desktop Computer Specifications45
FCC Notice (U.S. Only)48
FCC Class B48
Finding Information49
Getting Help52
Technical Assistance52
Online Services52
Problems with Your Order53
Product Information53
Returning Items for Warranty Repair or Credit53
Autotech Service53
Technical Support Service53
Before You Call54
Contacting Dell54
DDR2 Memory Overview72
Removing Memory73
Installing Memory73
Notes, Notices, and Cautions75
Abbreviations and Acronyms75
Mini Tower Computer75
About Your Mini Tower Computer76
Adding a Second Hard Drive93
Drive-Panel Inserts95
Removing the Floppy Drive96
Installing the Floppy Drive97
Removing a CD/DVD Drive99
Mini Tower Computer Specifications107
Microsoft® Windows® XP Features110
Transferring Information to a New Computer110
User Accounts and Fast User Switching111
Setting up a Home and Office Network111
Adding User Accounts111
Connecting to a Network Adapter111
Network Setup Wizard111
Replacing the Computer Cover113
Abbreviations and Acronyms114
Reinstalling Drivers and the Operating System115
What Is a Driver115
Identifying Drivers115
Reinstalling Drivers and Utilities115
Using Windows Xp Device Driver Rollback115
Using the Optional Drivers and Utilities CD116
Using Microsoft Windows Xp System Restore116
Creating a Restore Point116
Restoring the Computer to an Earlier Operating State117
Undoing the Last System Restore117
Reinstalling Microsoft Windows XP117
Enabling System Restore117
Reinstalling Windows XP118
Booting from the Operating System CD118
Windows Xp Setup118
Solving Problems120
Battery Problems120
CD and DVD Drive Problems120
Keyboard Problems121
Lockups and Software Problems121
Hard Drive Problems121
The Computer Does Not Start up122
The Computer Stops Responding122
A Program Stops Responding122
A Program Crashes Repeatedly122
A Solid Blue Screen Appears122
Other Software Problems122
Memory Problems123
Mouse Problems123
Network Problems124
Power Problems124
Printer Problems125
Restoring Default Settings125
Serial or Parallel Device Problems126
Sound and Speaker Problems126
No Sound from Speakers126
No Sound from Headphones127
Video and Monitor Problems127
If the Screen Is Blank127
If the Screen Is Difficult to Read128
Removing the System Board129
Replacing the System Board129
Troubleshooting Tools and Utilities132
When to Use the Dell Diagnostics132
Starting the Dell Diagnostics from Your Hard Drive132
System Lights133
Dell Diagnostics Main Menu133
Diagnostic Lights134
Beep Codes135
Error Messages136
Resolving Software and Hardware Incompatibilities139
Warranty140

Dell OptiPlex 320 - Page 88

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