HP dc7800 tower manual Under Storage DPS Self-test, Sata

Page 59

Table A-1Numeric Codes and Text Messages (continued)

Control panel message

Description

Recommended action

 

 

 

1720-SMART Hard Drive Detects Imminent

Hard drive is about to fail. (Some hard drives

1. Determine if hard drive is giving correct

Failure

have a hard drive firmware patch that will fix

 

error message. Enter Computer Setup

 

an erroneous error message.)

 

and run the Drive Protection System test

 

 

 

under Storage > DPS Self-test.

 

 

2.

Apply hard drive firmware patch

 

 

 

if applicable. (Available at

 

 

 

http://www.hp.com/support.)

 

 

3.

Back up contents and replace hard

 

 

 

drive.

 

 

 

1796-SATA Cabling Error

One or more SATA devices are improperly

Ensure SATA connectors are used in

 

attached. For optimal performance, the SATA

ascending order. For one device, use SATA

 

0 and SATA 1 connectors must be used

0. For two devices, use SATA 0 and SATA 1.

 

before SATA 2 and SATA 3.

For three devices, use SATA 0, SATA1, and

 

 

SATA 2.

1797-SATA Drivelock is not supported in RAID mode.

Drivelock is enabled on one or more SATA hard drives, and they cannot be accessed while the system is configured for RAID mode.

Either remove the Drivelocked SATA device or disable the Drivelock feature. To disable the Drivelock feature, enter Computer Setup, change Storage > Storage Options > SATA Emulation to IDE, and select File > Save Changes and Exit. Reenter Computer Setup and select Security > Drivelock. For each listed Drivelock-capable SATA device, ensure Drivelock is Disabled. Lastly, change Storage > Storage Options > SATA Emulation back to RAID and select File > Save Changes and Exit.

1801-Microcode Patch Error

Processor is not supported by ROM BIOS.

1.

Upgrade BIOS to proper version.

 

 

2.

Change the processor.

 

 

 

 

2200-PMM Allocation Error during MEBx

Memory error during POST execution of the

1.

Reboot the computer.

Download

Management Engine (ME) BIOS Extensions

2.

Unplug the power cord, re-seat the

 

option ROM

 

 

 

memory modules, and reboot the

 

 

 

computer.

 

 

3.

If the memory configuration was

 

 

 

recently changed, unplug the computer,

 

 

 

restore the original memory

 

 

 

configuration, and reboot the computer.

 

 

4.

If the error persists, replace the system

 

 

 

board.

 

 

 

 

2201-MEBx Module did not checksum

Memory error during POST execution of the

1.

Reboot the computer.

correctly

Management Engine (ME) BIOS Extensions

2.

Unplug the power cord, re-seat the

 

option ROM

 

 

 

memory modules, and reboot the

 

 

 

computer.

 

 

3.

If the memory configuration was

 

 

 

recently changed, unplug the power

 

 

 

cord, restore the original memory

 

 

 

configuration, and reboot the computer.

 

 

4.

If the error persists, replace the system

 

 

 

board.

 

 

 

 

2202-PMM Deallocation Error during MEBx

Memory error during POST execution of the

1.

Reboot the computer.

cleanup

Management Engine (ME) BIOS Extensions

2.

Unplug the power cord, re-seat the

 

option ROM

 

 

 

memory modules, and reboot the

 

 

 

computer.

 

 

 

 

ENWW

POST Numeric Codes and Text Messages 53

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Contents Troubleshooting Guide Troubleshooting Guide Iii Iv About This Book Table of contents Accessing DPS Through Computer Setup HP Insight Diagnostics HP Insight DiagnosticsSurvey Tab Test Tab Log Tab Protecting the Software Protecting the SoftwareSelect a language and click Download HP Backup and Recovery Manager Safety and Comfort Safety and Comfort Before You Call for Technical SupportHelpful Hints Troubleshooting Without DiagnosticsHelpful 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 SolutionCause unknown Restart the computer Cause SolutionEnww Power supply shuts down intermittently Cause Solution Solving Power Problems2Solving Power Problems 3Solving Diskette Problems Solving Diskette ProblemsSolving Diskette Problems Invalid system disk message is displayed Cause Solution Cannot format diskette Cause SolutionProblem has occurred with a disk transaction Cause Solution Diskette drive cannot read a diskette Cause SolutionSecurity Password Options 4Solving Hard Drive Problems Solving Hard Drive ProblemsDevice Configuration Solving Hard Drive ProblemsStorage Boot Order list Computer will not boot from hard drive Cause SolutionTroubleshooting Without Diagnostics Can not write to the media card Cause Solution Solving Media Card Reader ProblemsSolving Media Card Reader Problems 5Solving Media Card Reader ProblemsTroubleshooting Without Diagnostics Blank screen no video Cause Solution Solving Display ProblemsSolving Display Problems 6Solving Display ProblemsDim characters Cause Solution Select 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 ProblemsSolving Audio Problems 7Solving Audio ProblemsLine-in jack is not functioning properly Cause Solution Sound from headphones is not clear or muffled Cause Solution8Solving Printer Problems Solving Printer ProblemsSolving Printer Problems Select Shut Down Solving Keyboard and Mouse Problems9Solving Keyboard Problems 10Solving Mouse ProblemsSolving Keyboard and Mouse Problems Computer will not start Cause Solution Solving Hardware Installation Problems11Solving Hardware Installation Problems Option card Solving Hardware Installation ProblemsGoes away Once bad card is identified, remove and replace badWake-on-LAN feature is not functioning Cause Solution Solving Network Problems12Solving Network Problems Diagnostics reports a failure Cause Solution Solving Network ProblemsNetwork status link light never flashes Cause Solution New network card will not boot Cause Solution 13Solving Memory Problems Solving Memory ProblemsSolving Memory Problems Troubleshooting Without Diagnostics Some fans only operate when needed Solving Processor ProblemsSolving Processor Problems 14Solving Processor ProblemsMovie will not play in the DVD drive Cause Solution Solving CD-ROM and DVD Problems15Solving CD-ROM and DVD Problems Mode in Security Password OptionsCannot eject compact disc tray-load unit Cause Solution Solving CD-ROM and DVD ProblemsSystem will not boot from USB Drive Key Cause Solution Solving Drive Key Problems16Solving Drive Key Problems USB Drive Key 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 Contacting Customer SupportPost 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 Advanced Onboard Devices Computer Setup or Windows utilities Sata Under Storage DPS Self-testKeyboard failure while Network Server Mode Activity Beeps Possible Cause Recommended Action Table A-2Diagnostic Front Panel LEDs and Audible CodesUse the Smart ID technology before Red Power LED flashes ten Bad option card Cmos Resetting the Password Jumper Resetting the Password JumperClearing 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
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dc7800 tower specifications

The HP dc7800 Tower is a powerful desktop computer designed for professional and enterprise environments. Known for its stability, performance, and versatility, this model has secured its place in a variety of business settings. Launched in the mid-2000s, it embodies HP’s commitment to quality and innovation.

One of the main features of the HP dc7800 is its form factor. The tower configuration allows for easy upgrades and maintenance, providing ample space for additional hard drives, memory, and other components. This level of accessibility makes it ideal for businesses that need to adapt their systems to changing requirements.

The dc7800 is powered by Intel's Core 2 Duo processors, offering dual-core technology that enhances multitasking capabilities. With clock speeds ranging from 1.8 GHz to 3.0 GHz, this system can handle demanding applications with relative ease. It also supports Intel's vPro technology, which allows for remote management and security features, making it an excellent choice for organizations prioritizing IT control.

Another notable characteristic is the support for up to 8GB of DDR2 RAM. This allows for efficient data processing and improved performance when running multiple applications simultaneously. Additionally, the dc7800 features multiple storage options, accommodating both SATA hard drives and solid-state drives, which can significantly enhance boot times and overall system responsiveness.

Connectivity options on the HP dc7800 are robust. It includes a variety of USB ports, audio jacks, and optional legacy ports, ensuring compatibility with a wide range of peripherals and accessories. Networking capabilities are also prominent, with built-in Gigabit Ethernet providing high-speed internet access.

Furthermore, the desktop tower is designed with energy efficiency in mind. It meets ENERGY STAR certification standards, which not only helps reduce operational costs but also minimizes environmental impact.

Overall, the HP dc7800 Tower embodies a blend of performance, expandability, and energy efficiency, making it a reliable choice for businesses in need of a robust desktop solution. With its legacy of dependability and its suite of modern technologies, it continues to serve as a valuable asset in enterprise environments.
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