Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem

Cause

Solution

 

 

 

Blank screen (no video).

Monitor cable is

If the computer system has both

(continued)

plugged into the wrong

an integrated graphics connector

 

connector.

and an add-in graphics card

 

 

connector, plug the monitor cable

 

 

into the graphics card connector on

 

 

the back of the computer.

 

 

If the graphics card is a standard

 

 

 

PCI expansion card, you can

 

 

 

enable the integrated graphics in

 

 

 

Computer Setup. If a PCI-Express

 

 

 

graphics card is installed, the

 

 

 

integrated graphics can not be

 

 

 

enabled.

 

 

 

 

 

Monitor settings in the

1.

Restart the computer and press

 

computer are not

 

F8 during startup when you see

 

compatible with the

 

“Press F8” in the bottom right

 

monitor.

 

corner of the screen.

 

 

2.

Using the keyboard arrow keys,

 

 

 

select Enable VGA Mode

 

 

 

and press Enter.

 

 

3. In Windows Control Panel,

 

 

 

double-click the Display icon

 

 

 

and select the Settings tab.

 

 

4.

Use the sliding control to reset

 

 

 

the resolution.

 

 

 

 

Blank screen and the

Pre-video memory error.

1.

Reseat DIMMs. Power on the

power LED flashes Red five

 

 

system.

times, once every second,

 

2.

Replace DIMMs one at a time to

followed by a two second

 

 

 

isolate the faulty module.

pause, and the computer

 

 

 

3. Replace third-party memory

beeps five times.

 

 

 

with HP memory.

 

 

 

 

 

4.

Replace the system board.

 

 

 

 

2–20

www.hp.com

Troubleshooting Guide

Page 36
Image 36
HP DC5100 manual Select Enable VGA Mode

DC5100 specifications

The HP DC5100 is a desktop computer that was launched by Hewlett-Packard in the mid-2000s, primarily targeting the business sector and home office users. Its design emphasizes robustness, reliability, and ease of use, which has made it a popular choice among small to medium-sized businesses.

One of the main features of the HP DC5100 is its compact form factor, designed for efficient use of space in an office environment. The small desktop chassis allows users to maximize their workspace while still providing ample power for essential applications. The machine is equipped with various Intel processor options, including the Pentium 4 and the Celeron, which cater to different performance needs. This flexibility in processor choice allows businesses to select a configuration that best fits their specific workload requirements.

In terms of memory, the DC5100 supports a maximum of 4 GB of DDR2 RAM, ensuring that it can handle multitasking efficiently. This is particularly beneficial for tasks such as running multiple applications simultaneously, which is a common requirement in business settings. The storage options are diverse, with SATA hard drives available in various capacities, providing users with the ability to choose the right amount of space for their data and applications.

Connectivity options are also a highlight of the HP DC5100. It comes equipped with multiple USB ports, facilitating easy connection of peripherals such as printers, external storage devices, and other accessories. The integrated Ethernet port enables quick and reliable network connectivity, making it simple to connect to local networks and access the internet.

Another noteworthy aspect of the DC5100 is its energy efficiency. Designed for business use, it incorporates power-saving features that help reduce overall energy consumption, contributing to lower operating costs over time. This is particularly important for companies looking to manage their budgets while being mindful of environmental impact.

The HP DC5100 also features various security technologies, including password protection and BIOS security options, which help protect sensitive data. This is critical for businesses that prioritize data integrity and confidentiality.

In conclusion, the HP DC5100 is a well-rounded desktop that boasts a balance of performance, efficiency, and reliability. Its compact design, versatile configurations, and strong connectivity options make it a solid choice for both business and home office environments. With features designed to enhance productivity while ensuring security and energy savings, the HP DC5100 remains a viable option for users seeking dependable computing power.