Troubleshooting Guide Business PCs dx2100 Series Microtower Document Part Number: 403286-001 September 2005 This guide provides helpful hints and solutions for troubleshooting the above products as well as scenarios for possible hardware and software problems.
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Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
USB HP Drive Key. Use HP Insight Diagnostics to determine if all the devices installed on the computer are recognized by the system and functioning properly.
Accessing HP Insight Diagnostics You must boot to the Documentation and Diagnostics CD, as described in the steps below, to access HP Insight Diagnostics. 1. While the computer is on, insert the Documentation and 2. Shut down the operating system and turn off the computer.
Storage—Shows information about storage media connected to the computer. This list includes all fixed disks, diskette drives, and optical drives. System—Shows information about the system board, processor, chassis, and BIOS, plus internal speaker and PCI bus information. Troubleshooting Guide Computer Diagnostic Features www.hp.com 1–3...
Interactive mode, but these require user intervention. Custom Test—Provides the most flexibility in controlling the testing of a system. The Custom Test mode allows you to specifically select which devices, tests, and test parameters are run. (Quick, Complete, or Custom). Unattended). www.hp.com Troubleshooting Guide...
The devices being tested The tests that are running The overall elapsed time The individual elapsed test times The condition status of each test www.hp.com Computer Diagnostic Features 1–5...
Diagnostics You can save the information displayed in the HP Insight Diagnostics Status and Log tabs to a diskette or a USB 2.0 HP Drive Key (64MB or higher). You can not save to the hard drive. The system will automatically create an html file that has the same appearance as the information displayed on the screen.
5. Print the information from the storage device used to save it. ✎ To exit HP Insight Diagnostics, click Exit in the upper right corner of the screen then remove the Documentation and Diagnostics CD from the optical drive. Downloading the Latest Version of HP Insight Diagnostics 1.
■ ■ Troubleshooting Guide Troubleshooting www.hp.com/ergo Run the diagnostics utility. Refer to Diagnostic Features” for more information. Run the Drive Protection System (DPS) Self-Test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for more information.
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CAUTION: Running the Restore Plus! CD will erase all data on the hard Ä drive. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature.
CAUTION: Running the Restore Plus! CD will erase all data on the hard Ä drive. ✎ For sales information and warranty upgrades (HP Care Pack Services), call your local authorized service provider or dealer. Helpful Hints If you encounter problems with the computer, monitor, or software,...
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During boot, the other monitor connectors are disabled and if the monitor is connected into these ports, the monitor will not function. You can select which source will be the default VGA source in Computer Setup. www.hp.com “Solving Hardware Troubleshooting Guide...
You may be able to easily resolve the minor problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your HP authorized reseller or service provider. Problem Computer will not Cables to the external turn on.
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(10.2-cm) clearance on all vented sides of the computer and monitor to permit required airflow. 2. Ensure fans are connected and working properly (some fans only operate when needed). 3. Ensure the processor heatsink is installed properly. www.hp.com Solution Troubleshooting Guide...
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2. Add more memory. 3. Upgrade the graphics solution. Restart the computer. Turn on the monitor and check that the monitor light is on. Check the cable connection from the monitor to the computer and to the electrical outlet. www.hp.com Troubleshooting Solution 2–7...
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Set the selector switch to agree with the cable connection. Try a different monitor. Refer to “Interpreting Diagnostic Lights and Audible Codes” error code. www.hp.com Solution to interpret the Troubleshooting Guide...
You can also use devices. Computer Setup to reconfigure or disable devices to resolve the resource conflict. www.hp.com Troubleshooting Solution 2–9...
2. Observe the beeps and LED 3. If you still cannot resolve the www.hp.com Solution came with the system to determine if you are using the correct memory modules and to verify the proper installation.
5. Contact an authorized reseller or service provider. Pre-video memory 1. Reseat DIMMs. Power on the error. system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. www.hp.com Troubleshooting 2–11...
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Invalid ROM 1. Reflash the system ROM with the based on bad latest BIOS image. checksum. 2. Replace the system board. Incorrect Enter the correct password. password entered. Correct password No action required. entered. www.hp.com Troubleshooting Guide...
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If it is turned on, then replace the power button harness. 5. If the 5V_aux light on the system board is not turned on, then replace the power supply. 6. Replace the system board. www.hp.com Troubleshooting 2–13...
✎ Refer to the number listed in the warranty or in the Worldwide Telephone Numbers Guide on the Documentation and Diagnostics CD for technical assistance. 2–14 www.hp.com www.hp.com Troubleshooting Guide...