Dell OptiPlex 755 Quick Reference Guide
Dell™ OptiPlex™ 755 Quick Reference Guide
Notes, Notices, and Cautions
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NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
July 2007 FN390 Rev. A00
Contents
Finding Information ..... 5
Setting Up Your Computer ..... 10
Set Up Your Keyboard and Mouse ..... 11
Set Up Your Monitor ..... 12
Power Connections ..... 12
Before You Begin ..... 13
Recommended Tools ..... 13
Turning Off Your Computer ..... 13
Before Working Inside Your Computer ..... 14
Mini Tower Computer ..... 16
System Views ..... 16
Removing the Computer Cover ..... 22
Inside Your Computer ..... 24
System Board Components ..... 25
Jumper Settings ..... 26
Desktop Computer ..... 27
System Views ..... 27
Removing the Computer Cover ..... 32
Inside Your Computer ..... 33
System Board Components ..... 35
Jumper Settings ..... 36
Small Form Factor Computer ..... 37
System Views ..... 37
Removing the Computer Cover ..... 43
Inside Your Computer ..... 44
System Board Components ..... 46
Jumper Settings ..... 47
Ultra Small Form Factor Computer ..... 48
System Views ..... 48
Removing the Computer Cover ..... 55
Inside Your Computer ..... 56
Cable Cover (Optional) ..... 57
System Board Components ..... 59
Jumper Settings ..... 60
Solving Problems ..... 61
Dell Diagnostics ..... 61
System Lights ..... 65
Diagnostic Lights ..... 66
Beep Codes ..... 70
Resolving Software and Hardware Incompatibilities ..... 72
Restoring Your Operating System ..... 73
Using Microsoft Windows System Restore ..... 73
Using Dell™ PC Restore and Dell Factory Image Restore ..... 75
Using the Drivers and Utilities Media ..... 78
Reinstalling Drivers and Utilities ..... 79
83
Finding Information
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NOTE: Some features or media may be optional and may not ship with your computer. Some features or media may not be available in certain countries.
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NOTE: Additional information may ship with your computer.
| What Are You Looking For? | Find It Here |
| • A diagnostic program for my computer • Drivers for my computer • Desktop System Software (DSS) | Drivers and Utilities Media NOTE: The Drivers and Utilities media may be optional and may not ship with your computer. Documentation and drivers are already installed on your computer. You can use the media to reinstall drivers (see "Reinstalling Drivers and Utilities" on page 79), to run the Dell Diagnostics (see "Dell Diagnostics" on page 61). Readme files may be included on your media to provide last-minute updates about technical changes to your computer or advanced technical-reference material for technicians or experienced users. |
NOTE: Drivers and documentation updates can be found at support.dell.com.
What Are You Looking For?
How to set up my computer
Find It Here
How to run the Dell Diagnostics
• Error codes and diagnostic lights
• Tools and utilities
How to set up a printer
• How to troubleshoot and solve problems
Owner's Manual
• How to remove and install parts
NOTE: This document may be optional and may not ship with your computer.
Owner's Manual
DELL System XXXXX
• Warranty information
NOTE: This document is available as a PDF at support.dell.com.
• Regulatory information
• Terms and Conditions (U.S. only)
• Safety instructions
Dell™ Product Information Guide
• Ergonomics
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