HP dc7900 manual Log Tab

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After testing has completed, the Cancel Testing button is replaced with a Retest button. The Retest button will retest the last set of tests executed. This enables you to re-run the set of tests without having to re-enter the data in the Test tab.

The Status tab also shows:

●The devices being tested

●The test status (running, passed, or failed) of each device being tested

●The overall test progress of all devices being tested

●The test progress for each device being tested

●The elapsed test times for each device being tested

Log Tab

The Log tab contains a Test Log tab and an Error Log tab.

The Test Log displays all tests that have been executed, the number of times of execution, the number of times failed, and the time it took to complete each test. The Clear Test Log button will clear the contents of the Test Log.

The Error Log displays the tests for devices that have failed during the diagnostic testing and includes the following columns of information.

●The Device section displays the device tested.

●The Test section displays the type of test run.

●The Description section describes the error that the diagnostic test found.

●The Recommended Repair will give a recommended action that should be performed to resolve the failed hardware.

●The Failed Count is the number of times the device has failed a test.

●The Error Code provides a numerical code for the failure. The error codes are defined in the Help tab.

The Clear Error Log button will clear the contents of the Error Log.

Help Tab

The Help tab contains an HP Insight Diagnostics tab, an Error Codes tab, and a Test Components tab.

The HP Insight Diagnostics tab contains help topics and includes search and index features.

The Error Codes tab provides a description of each numerical error code that may appear in the Error Log tab located on the Log tab. Each code has a corresponding error Message and a Recommended Repair action that should help solve the problem. To find an error code description quickly, enter the code in the box at the top of the tab and click the Find Error Codes button.

The Test Components tab displays low-level information on tests that are run.

4 Chapter 1 Computer Diagnostic Features

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Contents Troubleshooting Guide Troubleshooting Guide Iii Iv About This Book Table of contents Solving Software Problems Contacting Customer Support Accessing DPS Through Computer SetupHP Insight Diagnostics HP Insight DiagnosticsSurvey Tab Test Tab Log Tab Click the Download button Protecting the SoftwareProtecting the Software HP Backup and Recovery Manager Safety and Comfort Before You Call for Technical Support Safety and ComfortHelpful Hints Helpful Hints 1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution Cannot remove computer cover or access panel Cause Solution Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Poor performance is experienced Cause SolutionCause Solution You do not want to launch automaticallyEnww 2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Power Problems Diskette drive light stays on Cause Solution Solving Diskette Problems3Solving Diskette Problems Drive not found Cause SolutionProblem has occurred with a disk transaction Cause Solution Solving Diskette ProblemsCannot format diskette Cause Solution Diskette drive cannot read a diskette Cause SolutionBoot Cannot Boot to Diskette Cause SolutionStorage Boot Order Security Password OptionsSolving Hard Drive Problems Solving Hard Drive Problems4Solving Hard Drive Problems Computer will not boot from hard drive Cause Solution Nonsystem disk/NTLDR missing message Cause SolutionStorage Boot Order list Device ConfigurationAgain 5Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Solution Solving Media Card Reader Problems Blank screen no video Cause Solution Solving Display Problems6Solving Display Problems Personalization, select Adjust screen resolutionSolving Display Problems Dim characters Cause SolutionOut of Range displays on screen Cause Solution Image is not centered Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Certain typed symbols do not appear correct Cause Solution 7Solving Audio Problems Solving Audio ProblemsSound cuts in and out Cause Solution Line-in jack is not functioning properly Cause Solution Solving Audio ProblemsAdvanced Device Options Internal Speaker Solving Printer Problems 8Solving Printer Problems9Solving Keyboard Problems Solving Keyboard and Mouse ProblemsSolving Keyboard and Mouse Problems 10Solving Mouse ProblemsEnww 11Solving Hardware Installation Problems Solving Hardware Installation ProblemsSolving Hardware Installation Problems Computer will not start Cause SolutionOnce bad card is identified, remove and replace bad Goes awayOption card 12Solving Network Problems Solving Network ProblemsSolving Network Problems Wake-on-LAN feature is not functioning Cause SolutionNetwork status link light never flashes Cause Solution Diagnostics reports a failure Cause SolutionNew network card will not boot Cause Solution Out of memory error Cause Solution Solving Memory Problems13Solving Memory Problems Memory count during Post is wrong Cause SolutionSolving Memory Problems Insufficient memory error during operation Cause SolutionSome fans only operate when needed Solving Processor Problems14Solving Processor Problems Make sure the processor heatsink is installed properly15Solving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems Mode in Security Password OptionsMovie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause SolutionEnww USB flash drive not found identified Cause Solution Solving USB Flash Drive Problems16Solving USB Flash Drive Problems System will not boot from USB flash drive Cause SolutionSolving Front Panel Component Problems Solving Front Panel Component Problems17Solving Front Panel Component Problems 18Solving Internet Access Problems Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Double-clickAgere Systems PCI-SV92PP Soft Solving Internet Access ProblemsClick on System and Maintenance ModemSolving Software Problems 19Solving Software ProblemsContacting Customer Support Post Error Messages Table A-1Numeric Codes and Text Messages Post Numeric Codes and Text MessagesPost Numeric Codes and Text Messages Control panel message Description Recommended actionContact an authorized dealer or reseller for Verify monitor is attached and turned Under Storage DPS Self-test SataEmulation back to RAID and select File Emulation to IDE, and select File SaveSelect Security Drivelock Security Save Changes and ExitKeyboard failure while Network Server Mode Table A-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended ActionReplace one device at a time and repeat Red Power LED flashes eight Invalid ROM based on bad Enww Cmos Resetting the Password Jumper Clearing and Resetting the Cmos Locate, press, and hold the Cmos button in for five seconds Figure B-1 Cmos buttonDrive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-TestIndex Index
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dc7900 specifications

The HP dc7900 is a well-regarded desktop solution that serves as a testament to HP's commitment to performance, reliability, and user accessibility. Introduced as part of HP’s Compaq line and designed primarily for business professionals, the dc7900 combines powerful processing capabilities with a compact form factor that suits various office environments.

One of the standout features of the HP dc7900 is its robust configuration options. It typically comes equipped with Intel's Core 2 Duo or Quad processors, giving users the ability to handle demanding applications seamlessly. The inclusion of Intel's technologies, such as Intel vPro, enhances remote management and IT control, making it an ideal choice for businesses looking to streamline their operations.

The dc7900 is designed with flexibility in mind. It offers multiple form factors, including mini-tower, small form factor, and ultra-slim desktop configurations. This variety enables organizations to choose a model that best fits their workspace requirements, maximizing both efficiency and aesthetics. The small footprint models are particularly beneficial in space-constrained environments, while the mini-tower version provides expandability for future upgrades.

In terms of graphics capabilities, the HP dc7900 typically features integrated Intel graphics, with options to install discrete graphics cards for users who require enhanced visual performance. This makes the dc7900 suitable for tasks ranging from standard office applications to more graphics-intensive responsibilities.

Connectivity is another key characteristic of the HP dc7900. It is equipped with a variety of ports, including USB 2.0 and audio jacks, allowing users to connect peripherals easily. Additionally, the dc7900 supports legacy connections, making it easier for businesses with older equipment to integrate new systems without hassle.

Durability and reliability are hallmarks of the HP dc7900. Built with high-quality materials and subjected to rigorous testing, this desktop is designed to withstand the demands of a bustling office environment. Furthermore, HP's comprehensive warranty and support options assure businesses of the reliability of their investment.

The HP dc7900 is not just a powerful desktop; it’s a versatile and dependable solution for modern businesses. With its combination of performance, expandability, and solid build quality, the dc7900 remains a relevant choice for those looking to enhance their productivity and efficiency in the workplace.
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