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

Control panel message

Description

Recommended action

 

 

 

 

304-Keyboard or System Unit Error

Keyboard failure.

1.

Reconnect the keyboard with computer

 

 

 

turned off.

 

 

2.

Ensure that none of the keys are

 

 

 

depressed.

 

 

3.

Replace the keyboard.

 

 

4.

Replace the system board.

 

 

 

 

501-Display Adapter Failure

Graphics display controller.

1.

Reseat the graphics card (if applicable).

 

 

2.

Clear CMOS. (See Appendix B,

 

 

 

Password Security and Resetting

 

 

 

CMOS on page 61.)

 

 

3.

Verify monitor is attached and turned

 

 

 

on.

 

 

4.

Replace the graphics card (if possible).

 

 

 

510-Flash Screen Image Corrupted

Flash Screen image has errors.

Reflash the system ROM with the latest BIOS

 

 

image.

 

 

 

 

511-CPU, CPUA, or CPUB Fan not Detected

CPU fan is not connected or may have

1.

Reseat CPU fan.

 

malfunctioned.

2.

Reseat fan cable.

 

 

 

 

3.

Replace CPU fan.

512-Chassis, Rear Chassis, or Front Chassis Fan not Detected

Chassis, rear chassis, or front chassis fan is 1.

Reseat chassis, rear chassis, or front

not connected or may have malfunctioned.

chassis fan.

 

 

2.

Reseat fan cable.

 

 

3.

Replace chassis, rear chassis, or front

 

 

 

chassis fan.

 

 

 

 

514-CPU or Chassis Fan not Detected

CPU or chassis fan is not connected or may

1.

Reseat CPU or chassis fan.

 

have malfunctioned.

2.

Reseat fan cable.

 

 

 

 

3.

Replace CPU or chassis fan.

 

 

 

 

601-Diskette Controller Error

Diskette controller circuitry or floppy drive

1.

Check and/or replace cables.

 

circuitry incorrect.

2.

Clear CMOS. (See Appendix B,

 

 

 

 

 

Password Security and Resetting

 

 

 

CMOS on page 61.)

 

 

3.

Replace diskette drive.

 

 

4.

Replace the system board.

 

 

 

 

605-Diskette Drive Type Error

Mismatch in drive type.

1.

Disconnect any other diskette controller

 

 

 

devices (tape drives).

 

 

2.

Clear CMOS. (See Appendix B,

 

 

 

Password Security and Resetting

 

 

 

CMOS on page 61.)

 

 

 

660-Display cache is detected unreliable

Integrated graphics controller display cache

Replace system board if minimal graphics

 

is not working properly and will be disabled.

degrading is an issue.

 

 

 

 

ENWW

POST Numeric Codes and Text Messages 53

Page 59
Image 59
HP dc7900 manual Verify monitor is attached and turned

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.