HP dc7900 manual Movie will not play in the DVD drive Cause Solution

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Table 2-15Solving CD-ROM and DVD Problems (continued)

Movie will not play in the DVD drive.

Cause

Solution

 

 

Movie may be regionalized for a different country.

See the documentation that came with the DVD drive.

 

 

Decoder software is not installed.

Install decoder software.

 

 

Damaged media.

Replace media.

 

 

Movie rating locked out by parental lock.

Use DVD software to remove parental lock.

 

 

Media installed upside down.

Reinstall media.

 

 

Cannot eject compact disc (tray-load unit).

Cause

Solution

 

 

Disc not properly seated in the drive.

Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the disc.

CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start.

Cause

Solution

 

 

Media has been inserted upside down.

Re-insert the media with the label facing up.

 

 

The DVD-ROM drive takes longer to start because it has to

Wait at least 30 seconds to let the DVD-ROM drive determine

determine the type of media played, such as audio or video.

the type of media being played. If the disc still does not start,

 

read the other solutions listed for this topic.

 

 

CD or DVD disc is dirty.

Clean CD or DVD with a CD cleaning kit, available from most

 

computer stores.

 

 

Windows does not detect the CD-ROM or DVD-ROM drive.

1. Use Device Manager to remove or uninstall the device.

 

2. Restart the computer and let Windows detect the CD or

 

DVD driver.

 

 

Recording or copying CDs is difficult or impossible.

Cause

Solution

 

 

Wrong or poor quality media type.

1.Try using a slower speed when recording.

2.Verify that you are using the correct media for the drive.

3.Try a different brand of media. Quality varies widely between manufacturers.

42 Chapter 2 Troubleshooting Without Diagnostics

ENWW

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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 Protecting the Software Click the Download buttonProtecting the Software HP Backup and Recovery Manager Safety and Comfort Before You Call for Technical Support Safety and ComfortHelpful Hints Helpful Hints Solving General Problems 1Solving General ProblemsComputer date and time display is incorrect Cause Solution Solving General Problems There is no sound or sound volume is too low Cause SolutionCannot remove computer cover or access panel Cause Solution Poor performance is experienced Cause SolutionCause Solution You do not want to launch automaticallyEnww Solving Power Problems 2Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Power Problems Solving Diskette Problems 3Solving Diskette ProblemsDiskette drive light stays on Cause Solution Drive not found Cause SolutionSolving Diskette Problems Cannot format diskette Cause SolutionProblem has occurred with a disk transaction Cause Solution Diskette drive cannot read a diskette Cause SolutionCannot Boot to Diskette Cause Solution Storage Boot OrderBoot Security Password OptionsSolving Hard Drive Problems Solving Hard Drive Problems4Solving Hard Drive Problems Nonsystem disk/NTLDR missing message Cause Solution Storage Boot Order listComputer will not boot from hard drive Cause Solution Device ConfigurationAgain Solving Media Card Reader Problems 5Solving Media Card Reader ProblemsCan not write to the media card Cause Solution Solving Media Card Reader Problems Solving Display Problems 6Solving Display ProblemsBlank screen no video Cause Solution Personalization, select Adjust screen resolutionSolving Display Problems Dim characters Cause SolutionImage is not centered Cause Solution Out of Range displays on screen Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Certain typed symbols do not appear correct Cause Solution Solving Audio Problems 7Solving Audio ProblemsSound cuts in and out Cause Solution Solving Audio Problems Line-in jack is not functioning properly Cause SolutionAdvanced Device Options Internal Speaker Solving Printer Problems 8Solving Printer ProblemsSolving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems9Solving Keyboard Problems 10Solving Mouse ProblemsEnww Solving Hardware Installation Problems Solving Hardware Installation Problems11Solving Hardware Installation Problems Computer will not start Cause SolutionGoes away Once bad card is identified, remove and replace badOption card Solving Network Problems Solving Network Problems12Solving 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 Solving Memory Problems 13Solving Memory ProblemsOut of memory error Cause Solution Memory count during Post is wrong Cause SolutionSolving Memory Problems Insufficient memory error during operation Cause SolutionSolving Processor Problems 14Solving Processor ProblemsSome fans only operate when needed Make sure the processor heatsink is installed properlySolving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems15Solving 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 Solving USB Flash Drive Problems 16Solving USB Flash Drive ProblemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause SolutionSolving Front Panel Component Problems Solving Front Panel Component Problems17Solving Front Panel Component Problems Solving Internet Access Problems 18Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Solving Internet Access Problems Click on System and MaintenanceDouble-clickAgere Systems PCI-SV92PP Soft ModemSolving Software Problems 19Solving Software ProblemsContacting Customer Support Post Error Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text MessagesTable A-1Numeric 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 to IDE, and select File Save Select Security Drivelock SecurityEmulation back to RAID and select File 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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