Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem

Cause

Solution

 

 

 

Power LED flashes Red six

Pre-video graphics

For systems with a graphics card:

times, once every second,

error.

1.

Reseat the graphics card.

followed by a two second

 

 

2.

Replace the graphics card.

pause, and the computer

 

 

 

 

beeps six times.

 

3.

Replace the system board.

 

 

For systems with integrated

 

 

graphics, replace the system board.

 

 

 

Monitor does not function

Monitor without energy

Disable monitor energy saver

properly when used with

saver capabilities is

feature.

energy saver features.

being used with energy

 

 

 

saver features enabled.

 

 

Dim characters.

The brightness and

 

contrast controls are not

 

set properly.

Adjust the monitor brightness and contrast controls.

Cables are not properly

Check that the graphics cable is

connected.

securely connected to the graphics

 

card and the monitor.

Blurry video or requested

If the graphics controller

resolution cannot be set.

was upgraded, the

 

correct video drivers

 

may not be loaded.

Install the video drivers included in the upgrade kit.

Monitor is not capable

Change requested resolution.

of displaying requested

 

resolution.

 

The picture is broken up, rolls, jitters, or flashes.

The monitor connections may be incomplete or the monitor may be incorrectly adjusted.

1.Be sure the monitor cable is securely connected to the computer.

2.In a two-monitor system or if another monitor is in close proximity, be sure the monitors are not interfering with each other’s electromagnetic field by moving them apart.

3.Fluorescent lights or fans may be too close to the monitor.

 

Monitor needs to be

Degauss the monitor.

 

degaussed.

 

 

 

 

Vibrating or rattling noise

Monitor degaussing coil

None. It is normal for the

coming from inside a CRT

has been activated.

degaussing coil to be activated

monitor when powered on.

 

when the monitor is powered on.

 

 

 

Clicking noise coming from

Electronic relays have

None. It is normal for some monitors

inside a CRT monitor.

been activated inside

to make a clicking noise when

 

the monitor.

turned on and off, when going in

 

 

and out of standby mode, and when

 

 

changing resolutions.

 

 

 

 

D–8

431672-001

Service Reference Guide

Page 88
Image 88
HP dx2700 manual Set properly

dx2700 specifications

The HP dx2700 is a versatile and robust desktop computer designed to meet the needs of home users and small businesses alike. Launched as part of HP's line of reliable and cost-effective computing solutions, the dx2700 offers a blend of performance, reliability, and expandability, making it an attractive option for a variety of tasks.

One of the key features of the HP dx2700 is its use of AMD processors, including the Athlon and Sempron lines, which provide efficient multitasking capabilities and solid performance for everyday computing tasks. These processors are designed to handle office applications, multimedia playback, and web browsing with ease. Coupled with the right amount of RAM—available configurations typically range from 1GB to 4GB—the dx2700 can smoothly run multiple applications simultaneously.

In terms of storage, the dx2700 comes equipped with various hard drive options, providing ample space for files, multimedia, and applications. Users can choose from traditional SATA hard drives with capacities ranging from 80GB to 500GB, ensuring that there is enough room for all necessary data. Additionally, the system supports optional DVD drives, allowing for easy playback and burning of media content.

The dx2700 is built with expandability in mind, featuring several PCI and PCI Express slots that enable users to add components such as additional graphics cards or sound cards, enhancing the overall functionality of the system. This customizability makes it a suitable choice for those looking to upgrade their desktop to meet evolving computing demands.

Moreover, the HP dx2700 boasts a range of connectivity options, including multiple USB ports, audio jacks, and Ethernet ports, enabling seamless integration with peripherals like printers, cameras, and networks. The built-in Ethernet port supports fast and reliable internet connections, further enhancing the user experience.

For power management, the HP dx2700 integrates energy-efficient technologies that help reduce electricity consumption without sacrificing performance. The compact design also ensures that it easily fits into various office setups, maximizing workspace efficiency.

Overall, the HP dx2700 is a reliable desktop option ideal for users seeking a balance of performance, expandability, and cost-effectiveness. Its combination of robust processing power, ample storage, and customizable features makes it suitable for a range of applications, from basic web browsing to more demanding office tasks. With its durability and practical design, the HP dx2700 remains a commendable choice in the desktop market.