b Troubleshooting Compaq Notebook Series Document Part Number: 320401-002 August 2003 This guide provides instructions for solving notebook problems yourself or with help from Compaq.

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© 2003 Hewlett-Packard Development Company, L.P. Microsoft, MS-DOS, and Windows are trademarks of Microsoft Corporation in the U.S. and/or other countries. SD Logo is a trademark. The information contained herein is subject to change without notice. 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. Troubleshooting Compaq Notebook Series Second Edition August 2003 First Edition June 2003 Document Part Number: 320401-002

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Contents 1 Help Is Available Quick Solutions Checklist . . . . . . . . . . . . . . . . . . . . . . . . 1–2 Is the Notebook Receiving Adequate Power?. . . . . . 1–2 Is the Notebook Turned On? . . . . . . . . . . . . . . . . . . . 1–2 Is the Notebook Overheated? . . . . . . . . . . . . . . . . . . 1–3 Is the System Unresponsive?. . . . . . . . . . . . . . . . . . . 1–3 Is an External Device Not Working?. . . . . . . . . . . . . 1–4 Is Software Functioning Abnormally? . . . . . . . . . . . 1–4 Finding the Help You Need . . . . . . . . . . . . . . . . . . . . . . . 1–6 Help from Your Notebook. . . . . . . . . . . . . . . . . . . . . 1–6 Help from Documentation. . . . . . . . . . . . . . . . . .

. . . 1–6 Help from the World Wide Web . . . . . . . . . . . . . . . . 1–7 Help by Telephone. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8 Help from a Service Provider . . . . . . . . . . . . . . . . . . 1–9 2 Problems and Solutions Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Audio Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 Sound is not audible . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 Sound does not record . . . . . . . . . . . . . . . . . . . . . . . . 2–2 Battery and Power Problems . . . . . . . . . . . . . . . . . . . . . . 2–3 Notebook does not turn on. . . . . . . . . . . . . . . . . . . . .

2–3 Notebook turns off unexpectedly . . . . . . . . . . . . . . . 2–3 Indicators are displaying a low-battery condition . . . 2–4 Battery pack does not charge. . . . . . . . . . . . . . . . . . . 2–5 Battery pack is warm after charging . . . . . . . . . . . . . 2–5 Troubleshooting iii

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