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b Maintenance and Service Guide Compaq Armada 110 and Compaq Evo N110 Document Part Number: 238850-003 December 2001 This guide is a troubleshooting reference used for maintaining and servicing the notebook. It provides comprehensive information on identifying computer features, components, and spare parts, troubleshooting computer problems, and performing computer disassembly procedures. © 2001 Compaq Information Technologies Group, L.P. Compaq, the Compaq logo, Armada, and Evo are trademarks of Compaq Information Technologies Group, L.P in the U.S. and/or other countries. Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and/or other countries. Intel, Pentium, and Celeron are trademarks of Intel Corporation in the U.S. and/or other countries. All other product names mentioned herein may be trademarks of their respective companies. Compaq shall not be liable for technical or editorial errors or omissions contained herein. The information in this document is provided "as is" without warranty of any kind and is subject to change without notice. the warranties for Compaq products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty. Maintenance and Service Guide Third Edition December 2001 Document Part Number: 238850-003 Contents 1 Product Description 1.1 Models and Features . . . . . . . . . . . . . . . . . . . . . . . . . 1­1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­6 1.2 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­8 1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . 1­9 Enabling Power Savings . . . . . . . . . . . . . . . . . . . . . . 1­9 Timeout Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­9 Setting Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­10 Hibernation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­10 Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­10 1.4 Computer External Components . . . . . . . . . . . . . . . 1­11 1.4 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­20 2 Troubleshooting Using the PhoenixBIOS Setup Utility . . . . . . . . . . . . . . . 2­2 Troubleshooting Flowcharts for Portable Computers . . . 2­3 2.1 Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . 2­4 2.2 No Power, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2­5 2.3 No Power, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2­6 2.4 No Power, Part 3 . . . . . . . . . . . . . . . . . . . . . . . . . 2­7 2.5 No Power, Part 4 . . . . . . . . . . . . . . . . . . . . . . . . . 2­8 2.6 No Video, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2­9 2.7 No Video, Part 2 . . . . . . . . . . . . . . . . . . .