HP dc7900 manual 15Solving CD-ROM and DVD Problems, Mode in Security Password Options

Page 47

Solving CD-ROM and DVD Problems

If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the following table or to the documentation that came with the optional device.

Table 2-15Solving CD-ROM and DVD Problems

System will not boot from CD-ROM or DVD drive.

Cause

Solution

 

 

The device is attached to a SATA port that has been hidden in

Run the Computer Setup utility and ensure Device Available

the Computer Setup utility.

is selected for the device's SATA port in Security > Device

 

Security.

 

 

Removable Media Boot is disabled in the Computer Setup

Run the Computer Setup utility and enable booting to

utility.

removable media in Storage > Storage Options. Ensure CD-

 

ROM is enabled in Storage > Boot Order.

 

 

Network Server Mode is enabled in Computer Setup.

Run the Computer Setup utility and disable Network Server

 

Mode in Security > Password Options.

 

 

Non-bootable CD in drive.

Try a bootable CD in the drive.

 

 

Boot order not correct.

Run the Computer Setup utility and change boot sequence in

 

Storage > Boot Order.

 

 

Drive not found (identified).

 

 

 

Cause

Solution

 

 

Cable could be loose.

Check cable connections.

 

 

The system may not have automatically recognized a newly

See reconfiguration directions in the Solving Hardware

installed device.

Installation Problems on page 33 section. If the system still

 

does not recognize the new device, check to see if the device

 

is listed within Computer Setup. If it is listed, the probable

 

cause is a driver problem. If it is not listed, the probable cause

 

is a hardware problem.

 

If this is a newly installed drive, run the Computer Setup utility

 

and try adding a POST delay under Advanced > Power-On

 

Options.

 

 

The device is attached to a SATA port that has been hidden in

Run the Computer Setup utility and ensure Device Available

Computer Setup.

is selected for the device's SATA port in Security > Device

 

Security.

 

 

Drive responds slowly immediately after power-up.

Run Computer Setup and increase the POST Delay in

 

Advanced > Power-On Options.

 

 

CD-ROM or DVD devices are not detected or driver is not loaded.

Cause

Solution

 

 

Drive is not connected properly or not properly configured.

See the documentation that came with the optional device.

 

 

ENWW

Solving CD-ROM and DVD Problems 41

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Contents Troubleshooting Guide Troubleshooting Guide Iii Iv About This Book Table of contents Accessing DPS Through Computer Setup Solving Software Problems Contacting Customer SupportHP Insight Diagnostics HP Insight DiagnosticsSurvey Tab Test Tab Log Tab Protecting the Software Protecting the SoftwareClick the Download button HP Backup and Recovery Manager Safety and Comfort Safety and Comfort Before You Call for Technical SupportHelpful Hints Helpful Hints Computer date and time display is incorrect Cause Solution Solving General Problems1Solving General Problems Poor performance is experienced Cause Solution Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Cannot remove computer cover or access panel Cause SolutionYou do not want to launch automatically Cause SolutionEnww Power supply shuts down intermittently Cause Solution Solving Power Problems2Solving Power Problems Solving Power Problems Drive not found Cause Solution Solving Diskette Problems3Solving Diskette Problems Diskette drive light stays on Cause SolutionDiskette drive cannot read a diskette Cause Solution Solving Diskette ProblemsCannot format diskette Cause Solution Problem has occurred with a disk transaction Cause SolutionSecurity Password Options Cannot Boot to Diskette Cause SolutionStorage Boot Order Boot4Solving Hard Drive Problems Solving Hard Drive ProblemsSolving Hard Drive Problems Device Configuration Nonsystem disk/NTLDR missing message Cause SolutionStorage Boot Order list Computer will not boot from hard drive Cause SolutionAgain Can not write to the media card Cause Solution Solving Media Card Reader Problems5Solving Media Card Reader Problems Solving Media Card Reader Problems Personalization, select Adjust screen resolution Solving Display Problems6Solving Display Problems Blank screen no video Cause SolutionDim characters Cause Solution Solving Display ProblemsSelect ImageControl/ Horizontal Position or Vertical Image is not centered Cause SolutionOut of Range displays on screen Cause Solution Certain typed symbols do not appear correct Cause Solution Sound cuts in and out Cause Solution Solving Audio Problems7Solving Audio Problems Advanced Device Options Internal Speaker Solving Audio ProblemsLine-in jack is not functioning properly Cause Solution 8Solving Printer Problems Solving Printer Problems10Solving Mouse Problems Solving Keyboard and Mouse ProblemsSolving Keyboard and Mouse Problems 9Solving Keyboard ProblemsEnww Computer will not start Cause Solution Solving Hardware Installation ProblemsSolving Hardware Installation Problems 11Solving Hardware Installation ProblemsOption card Goes awayOnce bad card is identified, remove and replace bad Wake-on-LAN feature is not functioning Cause Solution Solving Network ProblemsSolving Network Problems 12Solving Network ProblemsDiagnostics reports a failure Cause Solution Network status link light never flashes Cause SolutionNew network card will not boot Cause Solution Memory count during Post is wrong Cause Solution Solving Memory Problems13Solving Memory Problems Out of memory error Cause SolutionInsufficient memory error during operation Cause Solution Solving Memory ProblemsMake sure the processor heatsink is installed properly Solving Processor Problems14Solving Processor Problems Some fans only operate when neededMode in Security Password Options Solving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems 15Solving CD-ROM and DVD ProblemsCannot eject compact disc tray-load unit Cause Solution Movie will not play in the DVD drive Cause SolutionEnww System will not boot from USB flash drive Cause Solution Solving USB Flash Drive Problems16Solving USB Flash Drive Problems USB flash drive not found identified Cause Solution17Solving Front Panel Component Problems Solving Front Panel Component ProblemsSolving Front Panel Component Problems Unable to connect to the Internet Cause Solution Solving Internet Access Problems18Solving Internet Access Problems Modem Solving Internet Access ProblemsClick on System and Maintenance Double-clickAgere Systems PCI-SV92PP Soft19Solving Software Problems Solving Software ProblemsContacting Customer Support Post Error Messages Control panel message Description Recommended action Post Numeric Codes and Text MessagesPost Numeric Codes and Text Messages Table A-1Numeric Codes and Text MessagesContact an authorized dealer or reseller for Verify monitor is attached and turned Sata Under Storage DPS Self-testSave Changes and Exit Emulation to IDE, and select File SaveSelect Security Drivelock Security Emulation back to RAID and select FileKeyboard failure while Network Server Mode Activity Beeps Possible Cause Recommended Action Table A-2Diagnostic Front Panel LEDs and Audible CodesReplace 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 Figure B-1 Cmos button Locate, press, and hold the Cmos button in for five secondsDrive Protection System DPS Select Storage DPS Self-Test Accessing DPS Through Computer SetupIndex 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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