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Dell OptiPlex 745c Quick Reference Manual
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Dell OptiPlex 745c Quick Reference Manual

Dell OptiPlex 745c Quick Reference Manual

Dell desktop computer quick reference guide
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See also: Administrator's Manual
Dell™ OptiPlex™ 745c
Quick Reference Guide
Model DCSM
w w w . d e l l . c o m | s u p p o r t . d e l l . c o m

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Summary of Contents for Dell OptiPlex 745c

  • Page 1 Dell™ OptiPlex™ 745c Quick Reference Guide Model DCSM w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 2 Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and OptiPlex are trademarks of Dell Inc.; Intel is registered trademarks of Intel Corporation; Microsoft, Windows, and Vista are registered trademarks of Microsoft Corporation.

  • Page 3: Table Of Contents

    Microsoft Windows Vista™ The support.dell.com user interface may vary depending on your selections....... . .
  • Page 4 Contents...

  • Page 5: Finding Information

    Documentation and drivers are already installed on your computer. You can use the CD to reinstall drivers (see "Using the Drivers and Utilities CD" on page 34), run the Dell Diagnostics (see "Dell Diagnostics" on page 21), or access your documentation.
  • Page 6 • How to work with programs and files • How to personalize my desktop Quick Reference Guide Find It Here Dell™ Product Information Guide Operating System CD NOTE: The Operating System CD may be optional and may not ship with your computer.
  • Page 7 DSS utility. DSS automatically detects your computer and operating system and installs the updates appropriate for your configuration, providing critical updates for your operating system and support for Dell™ 3.5-inch USB floppy drives, Intel drives, and USB devices. DSS is necessary for correct operation of your Dell computer.

  • Page 8: System Views

    System Views Mini Tower Computer — Front View Quick Reference Guide...
  • Page 9 5.25-inch drive bay Can contain an optical drive. Insert a CD or DVD (if supported) into this drive. 5.25-inch drive bay Can contain an optical drive. Insert a CD or DVD (if supported) into this drive. 3.5-inch drive bay Can contain an optional floppy drive or optional media card reader. USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB devices (see your online User’s Guide...

  • Page 10: Mini Tower Computer - Back View

    Mini Tower Computer — Back View Quick Reference Guide...

  • Page 11: Mini Tower Computer - Back-Panel Connectors

    cover-release latch This latch allows you to open the computer cover. padlock ring Insert a padlock to lock the computer cover. voltage selection switch Your computer is equipped with a manual voltage-selection switch. To help avoid damaging a computer with a manual voltage-selection switch, set the switch for the voltage that most closely matches the AC power available in your location.
  • Page 12 Use the blue and pink line-in/microphone connector to attach a record/playback device such as a cassette player, CD player, or VCR.; or a personal computer microphone for voice or musical input into a sound or telephony program. Use the back USB connectors for devices that typically remain connected, such as printers and keyboards.

  • Page 13: Removing The Computer Cover

    NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself.

  • Page 14: Mini Tower Computer

    3 Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. 4 If applicable, remove the computer stand (for instructions, see the documentation that came with the stand). CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
  • Page 15 security cable slot cover release latch padlock ring Quick Reference Guide...

  • Page 16: Inside Your Computer

    Inside Your Computer Mini Tower Computer optical drive chassis-intrusion switch hard drive Quick Reference Guide floppy drive system board power supply heat-sink assembly...
  • Page 17 System Board Components MFG_MODE Quick Reference Guide...
  • Page 18 fan connector (FAN) processor connector (CPU) processor power connector (12VPOWER) memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIMM_4) RTC reset jumper (RTCRST) password jumper (PSWD) SATA drive connectors (SATA0, SATA1, SATA4, SATA5) manufacturing mode jumper (MFG_MODE) front-panel connector (FNT_PANEL) power connector (POWER) intrusion switch connector (INTRUDER) Jumper Settings NOTE:...

  • Page 19: Setting Up Your Computer

    Setting Up Your Computer CAUTION: Before performing any of the procedures in this section, follow the safety instructions in Product Information Guide. NOTICE: If your computer has an expansion card installed (such as a modem card), connect the appropriate cable to the card, not to the connector on the back panel.

  • Page 20: Set Up Your Keyboard And Mouse

    Set Up Your Keyboard and Mouse Set Up Your Monitor Quick Reference Guide...

  • Page 21: Power Connections

    Power Connections Solving Problems Dell provides a number of tools to help you if your computer does not perform as expected. For the latest troubleshooting information available for your computer, see the Dell Support website at support.dell.com. If computer problems occur that require help from Dell, write a detailed description of the error, beep codes, or diagnostics light patterns, record your Express Service Code and Service Tag below, and then contact Dell from the same location as your computer.
  • Page 22 6 Type 1 to start the Drivers and Utilities CD menu. 7 Type 2 to start the Dell Diagnostics. 8 Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer.

  • Page 23: Dell Diagnostics Main Menu

    User’s Guide. NOTE: The Service Tag for your computer is located at the top of each test screen. If you contact Dell, technical support will ask for your Service Tag. 3 If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information.

  • Page 24: System Lights

    4 When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities CD (optional), remove the CD. 5 Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.

  • Page 25: Diagnostic Lights

    • If available, install properly working memory of the same type into your computer. • If the problem persists, contact Dell. For information on contacting Dell, see your online User’s Guide. Quick Reference Guide...
  • Page 26 Continue until you have identified a faulty module or reinstalled all modules without error. • If available, install properly working memory of the same type into your computer. • If the problem persists, contact Dell. For information on contacting Dell, see your online User’s Guide.

  • Page 27: Beep Codes

    If your computer beeps during start-up: 1 Write down the beep code. 2 See "Dell Diagnostics" on page 21 to identify a more serious cause. 3 Contact Dell for technical assistance. For information on contacting Dell, see your online User’s Guide. Code Cause...

  • Page 28: Resolving Software And Hardware Incompatibilities

    Code Cause 1-3-1 through Memory not being properly 2-4-4 identified or used 3-1-1 Slave DMA register failure 3-1-2 Master DMA register failure 3-1-3 Master interrupt mask register failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-1 Memory failure above address 0FFFFh 4-3-3 Timer-chip counter 2 failure 4-3-4...
  • Page 29 Restoring the Computer to an Earlier Operating State NOTICE: Before you restore the computer to an earlier operating state, save and close any open files and exit any open programs. Do not alter, open, or delete any files or programs until the system restoration is complete. 1 Click the Start button, point to All Programs→...

  • Page 30: Reinstalling Microsoft Windows Xp

    The procedures in this document were written for the Windows default view in Windows XP Home Edition, so the steps will differ if you set your Dell computer to the Windows Classic view or are using Windows XP Professional. If you are considering reinstalling the Windows XP operating system to correct a problem with a newly installed driver, first try using Windows XP Device Driver Rollback.
  • Page 31 2 Insert the Operating System CD. Click Exit if the Install Windows XP message appears. 3 Restart the computer. 4 Press <F12> immediately after the DELL logo appears. If the operating system logo appears, wait until you see the Windows desktop, and then shut down the computer and try again.

  • Page 32: Microsoft Windows Vista

    Windows Vista system. In some cases, the names of menu options or other screen elements are different in Windows Vista. For more information, see Getting Started Guide for Microsoft® Windows Vista™ on support.dell.com. Quick Reference Guide Press any key to boot from ®...
  • Page 33 Your product key is located on the back of the Windows Vista Install DVD package. During the Windows Vista upgrade process, you will: • Use the Dell Windows Vista Upgrade Assistant DVD to check your system for compatibility and perform any required updates to your Dell-installed applications and drivers. •...

  • Page 34: The Support.dell.com User Interface May Vary Depending On Your Selections

    For information on how to back up your data, or to find Windows Vista compatible drivers/updates for your Dell-installed applications: 1 Go to support.dell.com, select your country/region, and then click Drivers and Downloads. 2 Enter your Service Tag or product model, and then click Go.

  • Page 35: Index

    Index beep codes, 27 operating system, 6 conflicts software and hardware incompatibilities, 28 cover removing, 13 Dell Diagnostics, 21 Dell support site, 7 diagnostics beep codes, 27 Dell Diagnostics, 21 documentation End User License Agreement, 6 ergonomics, 6 online, 7...
  • Page 36 28 support website, 7 system board, 17 System Restore, 28 troubleshooting beep codes, 27 conflicts, 28 Dell Diagnostics, 21 diagnostic lights, 25 Hardware Troubleshooter, 28 Help and Support Center, 6 restore computer to previous operating state, 28 system lights, 24 Index User’s Guide, 5...

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