Compaq dc7100 Getting Started - Page 25
Problem, Cause, Solution, Interpreting Diagnostic, Lights and Audible Codes, - memory upgrade
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Getting Started Solving Hardware Installation Problems (Continued) Problem Cause Solution A new device is not recognized as part of the system. (continued) A plug and play board may not automatically configure when added if the default configuration conflicts with other devices. Use Windows XP Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict. You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict. Computer will not start. Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the computer. See "Interpreting Diagnostic Lights and Audible Codes" on page 23 to determine possible causes. 3. If you still cannot resolve the issue, contact Customer Support. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. The beeps continue for five iterations, then stop. The LED flashes continue until the problem is resolved. Memory is installed incorrectly or is bad. 1. Reseat DIMMs. Power on the 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. Getting Started www.hp.com 21