Dell OptiPlex? GX620 Diagnostic Lights, Light Pattern Problem Description Suggested Resolution

Page 189

 

system board may be faulty or incorrectly installed.

complete.

 

 

If the computer does not boot, contact Dell for technical

 

 

assistance.

Blinking yellow

A power supply or system board failure has occurred.

See "Power Problems."

 

 

 

Solid green and a beep code during

A problem was detected while the BIOS was executing.

See "Beep Codes" for instructions on diagnosing the beep

POST

 

code. Also, check the diagnostic lights to see if the specific

 

 

problem is identified.

 

 

 

Solid green power light and no beep

The monitor or the graphics card may be faulty or

Check the diagnostic lights to see if the specific problem is

code and no video during POST

incorrectly installed.

identified. See "Video and Monitor Problems."

 

 

 

Solid green power light and no beep

An integrated system board device may be faulty.

Check the diagnostic lights to see if the specific problem is

code but the computer locks up

 

identified. If the problem is not identified, contact Dell for

during POST

 

technical assistance.

 

 

 

Diagnostic Lights

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "4"on the front or back panel. The lights can be off or green. When the computer starts normally, the patterns or codes on the lights change as the boot process completes. When the computer starts normally, the patterns or codes on the lights change as the boot process completes. If the POST portion of system boot completes successfully, all four lights display solid green. If the computer malfunctions during the POST process, the pattern displayed on the LEDs may help identify where in the process the computer halted.

NOTE: The orientation of the diagnostic lights may vary depending on the system type. The diagnostic lights can appear either vertical or horizontal.

Light Pattern

Problem Description

Suggested Resolution

 

 

 

 

The computer is in a normal "off"

Plug the computer into a working electrical outlet and press the power button.

 

condition, or a possible pre-BIOS failure

 

 

has occurred.

 

 

The diagnostic lights are not lit after the

 

 

computer successfully boots to the

 

 

operating system.

 

 

 

 

 

A possible BIOS failure has occurred; the

Run the BIOS Recovery utility, wait for recovery completion, and then restart the computer.

 

computer is in the recovery mode.

 

 

 

 

 

A possible processor failure has occurred.

Reinstall the processor and restart the computer.

 

 

 

 

Memory modules are detected, but a

• If you have one memory module installed, reinstall it and restart the computer. (see

 

memory failure has occurred.

"Memory" for instructions on how to remove and install memory modules.)

 

 

• If you have two or more memory modules installed, remove the modules, reinstall one

 

 

module, and then restart the computer. If the computer starts normally, reinstall an

 

 

additional module. 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.

 

 

 

 

A possible graphics card failure has

• If the computer has a graphics card, remove the card, reinstall it, and then restart the

 

occurred.

computer.

 

 

• If the problem still exists, install a graphics card that you know works and restart the

 

 

computer.

 

 

• If the problem persists or the computer has integrated graphics, contact Dell.

 

 

 

 

A possible floppy or hard drive failure has

Reseat all power and data cables and restart the computer.

 

occurred.

 

 

 

 

 

A possible USB failure has occurred.

Reinstall all USB devices, check cable connections, and then restart the computer.

 

 

 

 

No memory modules are detected.

• If you have one memory module installed, reinstall it and restart the computer. (see

 

 

"Memory" for instructions on how to remove and install memory modules.)

 

 

• If you have two or more memory modules installed, remove the modules, reinstall one

 

 

module, and then restart the computer. If the computer starts normally, reinstall an

 

 

additional module. 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.

 

 

 

 

Memory modules are detected, but a

• Ensure that no special memory module/memory connector placement requirements

 

memory configuration or compatibility error

exist.

 

exists.

• Verify that the memory modules that you are installing are compatible with your

 

 

computer.

 

 

• If the problem persists, contact Dell.

 

 

 

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Contents Dell OptiPlex GX620 Systems Users Guide Advanced Features LegacySelect Technology ControlManageability Security Password ProtectionAssigning a System Password Option SettingsTyping Your System Password If Password Status is set to LockedDeleting or Changing an Existing System Password Administrator PasswordAssigning an Administrator Password Deleting or Changing an Existing Administrator PasswordDisabling a Forgotten Password and Setting a New Password System SetupEntering System Setup System Setup ScreensSystem System Setup OptionsVideo Changing Boot Sequence for the Current Boot Boot SequenceChanging Boot Sequence for Future Boots Booting to a USB DeviceMemory Key Floppy DriveClearing Forgotten Passwords Jumper Setting Description Clearing Cmos SettingsSleep Mode Wake-Up Methods Windows XP Power ManagementHyper-Threading Click Hardware and click Device ManagerBack to Contents Replacing the Battery BatteryReplace the computer cover Recommended Tools Before You BeginTurning Off Your Computer Before Working Inside Your ComputerPage Chassis Intrusion Switch Removing the Chassis Intrusion SwitchMini Tower Computer Desktop Computer Small Form Factor Computer Ultra Small Form Factor Computer Replacing the Chassis Intrusion SwitchResetting the Chassis Intrusion Detector Computer, Keyboard, and Monitor Cleaning Your ComputerMouse CDs and DVDsBack to Contents Replacing the Computer Cover Abbreviations and Acronyms Desktop ComputerModel Dcne August 2006 N8071 Rev. A02 Finding Information Find It HereSupport.dell.com Click Users and system guides and click Users guides Service Tag and Microsoft Windows LicenseBack to Contents Getting Help Online ServicesTechnical Assistance Ftp.dell.comAutoTech Service Problems With Your OrderAutomated Order-Status Service Technical Support ServiceContacting Dell Before You CallAruba Argentina Buenos AiresAustralia Sydney 0011Chile Santiago Cayman IslandsChina Xiamen ColombiaFrance Paris Montpellier Website support.euro.dell.com Home and Small BusinessCorporate Germany LangenJamaica Ireland CherrywoodWebsite support.jp.dell.com Japan KawasakiMacao LuxembourgWebsite support.ap.dell.com Malaysia Penang MexicoPortugal Website support.euro.dell.com Poland WarsawPuerto Rico St. Kitts and NevisWebsite support.ap.dell.com Taiwan Switzerland GenevaWebsite support.ap.dell.com Thailand Trinidad/TobagoVenezuela Virgin IslandsGlossary Page Docking device See APR Device driver See driverPage Page Key combination Page NIC See network adapter Processor Page System tray See notification area Video resolution See resolutionBack to Contents DDR2 Memory Overview MemoryAddressing Memory With 4-GB Configurations Removing MemoryReplacing/Adding Additional Memory Replace the computer cover Back to Contents Mini Tower Computer About Your Mini Tower ComputerFront View Back View Back-Panel ConnectorsSetup Options System Board Components Inside Your ComputerMini Tower Computer Jumper Setting Description Jumper SettingsInstalling a PCI Card PCI and PCI Express Cards and Serial Port AdaptersPCI Cards Replace the computer cover Removing a PCI Card PCI Express Cards Installing a PCI Express CardPage Removing a PCI Express Card Serial Port Adapters Installing a Serial Port AdapterPage Removing a Serial Port Adapter Removing the Computer Cover Connecting Drive Cables General Installation GuidelinesDrive Interface Connectors DrivesConnecting and Disconnecting Drive Cables Power Cable ConnectorsIDE Drive Power Connector Serial ATA Power Connector Hard DriveRemoving a Hard Drive Installing a Hard DriveReplace the computer cover Adding a Second Hard Drive Drive-Panel Inserts Page Removing the Floppy Drive Installing the Floppy DriveRemoving a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Back to Contents Panel Removing the I/O PanelReplacing the I/O Panel Back to Contents Removing the Processor ProcessorInstalling the Processor Replace the computer cover Back to Contents Replacing the Power Supply Power SupplyPin Number Signal name AWG Wire DC Power ConnectorsPin Number Signal Name 18-AWG Wire DC Power Connector P4Pin Number Signal Name 22-AWG Wire DC Power Connectors P8 and P9Mini Tower Computer Specifications Expansion Bus ConnectorsDrives Key CombinationsControls and Lights PowerPhysical EnvironmentalBack to Contents FCC Notices U.S. Only FCC Notices U.S. OnlyClass a Class B FCC Identification Information What Is a Driver? Reinstalling Drivers and the Operating SystemReinstalling Drivers and Utilities DriversUsing Microsoft Windows XP System Restore Creating a Restore PointUsing the Optional Drivers and Utilities CD Undoing the Last System Restore Reinstalling Microsoft Windows XPEnabling System Restore Restoring the Computer to an Earlier Operating StateReinstalling Windows XP Booting From the Operating System CDWindows XP Setup Back to Contents Mini Tower System Board Screws Replacing the System BoardSmall Form Factor System Board Screws Desktop System Board ScrewsReplace the computer cover Back to Contents About Your Desktop Computer Desktop ComputerBack View Inside Your Computer Desktop Computer Jumper Setting Description Jumpered unjumpered PCI and PCI Express Cards and Serial Port Adapters Removing a PCI Card Installing a PCI Card in the Riser-Card Cage Page Removing a PCI Card From the Riser-Card Cage Replace the computer cover Installing a PCI Express x16 Card Removing a PCI Express x16 Card Serial Port Adapters Installing a Serial Port Adapter in the Riser-Card Cage Removing a Serial Port Adapter From the Riser-Card Cage Back to Contents Removing the Computer Cover Drives CD/DVD Drive Installing a CD/DVD Drive Removing a Floppy Drive Installing a Floppy Drive Replace the CD/DVD drive Installing a Hard Drive Back to Contents Panel Page Processor Installing the Processor Page Replace the computer cover Back to Contents Power Supply VCC +5V Red DC Power Connector P3 Back to Contents Desktop Computer Specifications Expansion Bus Microsoft Windows XP, brings up the Windows Physical About Your Small Form Factor Computer Small Form Factor ComputerBack View Inside Your Computer Small Form Factor Computer Jumper Setting Description PCI and PCI Express Cards and Serial Port Adapters Page Serial Port Adapters Removing a Serial Port Adapter Removing the Computer Cover Serial ATA Connector Remove the computer cover Installing a Hard Drive Replace the computer cover CD/DVD Drive Installing a CD/DVD Drive Floppy Drive Remove the floppy drive Replace the CD/DVD drive Remove the system board Processor Installing the Processor Page Captive screw in housing Small Form Factor Computer Specifications Expansion Bus Controls and Lights Small Form Factor Computer Model Dcsm August 2006 N8071 Rev. A02 Battery Problems Solving ProblemsDrive Problems CD and DVD drive problemsLockups and Software Problems Keyboard ProblemsHard drive problems Problems writing to a CD/DVD-RW driveComputer does not start up Other software problemsComputer stops responding Program stops respondingMouse Problems Memory ProblemsPower Problems Network ProblemsRestoring Default Settings Printer ProblemsIf the power light is blinking amber Verify that the printer is recognized by WindowsSound and Speaker Problems Serial or Parallel Device ProblemsRun the speaker diagnostics No sound from speakersNo sound from headphones Video and Monitor ProblemsIf the screen is blank If the screen is difficult to readAdjust the Windows display settings Mini Tower Computer Model Dctr August 2006 N8071 Rev. A02 Models DCTR, DCNE, DCSM, and Dccy March 2005 N8071 Rev. A00 Dell Diagnostics Troubleshooting Tools and UtilitiesWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard DrivePower Light Problem Description Suggested Resolution Dell Diagnostics Main MenuSystem Lights Option FunctionLight Pattern Problem Description Suggested Resolution Diagnostic LightsCode Cause Beep CodesDiskette subsystem reset failed Run the Dell Diagnostics Error MessagesClick the Change or Remove Program icon Decreasing available memoryNo timer tick interrupt Run the Dell Diagnostics No boot device availableWrite fault Write fault on selected drive Read fault Requested sector not found Reset failedResolving Software and Hardware Incompatibilities Microsoft Windows XPClick Performance and Maintenance and click System Ultra Small Form Factor Computer Model Dccy August 2006 N8071 Rev. A02 Ultra Small Form Factor Computer About Your Ultra Small Form Factor ComputerSide View Back-panel connectors Connecting Two Monitors Connecting a VGA MonitorJumper Settings Cable Cover Optional Attaching the Cable CoverRemoving the Cable Cover Connecting the Power Adapter Badge If applicable, remove the cable cover System Board Power Serial ATA Power Connector Hard Drive Replace the computer cover Back to Contents Module Bay Installing a Device When Your Computer Is Turned OffSecuring a Device in the Module Bay Replace the computer cover Processor Page Replace the cable cover, if used Ultra Small Form Factor Computer Specifications Drives One serial ATA controller supporting one device Power Warranty Transferring Information to a New Computer Microsoft Windows XP FeaturesSetting Up a Home and Office Network User Accounts and Fast User SwitchingClick Checklist for creating a network
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GX620, OptiPlex? GX620 specifications

The Dell OptiPlex GX620 is a desktop computer that was launched in the mid-2000s and quickly became popular in business environments. Despite its age, the OptiPlex GX620 remains notable for its build quality, upgradeability, and reliability, traits that have made Dell a respected name in the commercial PC market.

One of the key features of the GX620 is its compact form factor. The system was available in several configurations, including a small form factor (SFF) and a mini-tower, allowing it to fit comfortably in various workspace environments. This flexibility makes it an attractive option for businesses looking to save space while maintaining performance.

The GX620 was powered by Intel processors, specifically the Intel Pentium D and Intel Core Duo. These efficient processors provided ample power for productivity tasks, making the GX620 suitable for typical office applications such as word processing, spreadsheets, and web browsing. The system supported a maximum of 4GB of DDR2 RAM, which, while modest by today’s standards, was ample for the typical uses of its time.

In terms of storage, the GX620 offered several options, including traditional hard drives with variable capacities. This allowed users to select the right balance of performance and storage size according to their specific needs. Additionally, the system featured numerous connectivity options, including USB 2.0 ports, audio jacks, and an optional PCI Express slot for expanding capabilities with additional graphics or network cards.

The OptiPlex GX620 was equipped with Dell's management technology, which included remote management features that allowed IT departments to efficiently deploy and maintain multiple units across an organization. This was particularly advantageous for larger businesses that required centralized management tools to streamline operations.

Moreover, the GX620 was built with Dell's focus on sustainability and energy efficiency. The design considered environmental factors, and users appreciated its low power consumption relative to performance, aligning with corporate sustainability goals.

In conclusion, the Dell OptiPlex GX620 remains a notable example of robust desktop computing designed for business environments. With its compact design, reliable performance, and management features, it served well in various office settings despite being a product of an earlier era, showcasing Dell's commitment to quality and functionality.
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