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b Maintenance and Service Guide Compaq Evo Notebook N400c Series Compaq Evo Notebook N410c Series Document Part Number: 268629-002 August 2003 This guide is a troubleshooting reference used for maintaining and servicing the notebook. It provides comprehensive information on identifying notebook features, components, and spare parts, troubleshooting notebook problems, and performing notebook disassembly procedures. © 2003 Compaq Computer Corporation Compaq, Evo, and the Compaq logo are trademarks of Compaq Information Technologies Group, L.P. Microsoft and Windows are trademarks of Microsoft Corporation. Intel and Pentium are trademarks of Intel Corporation. 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 Second Edition (August 2003) Document Part Number: 268629-002 Contents 1 Product Description 1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­2 1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­12 1.3 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . 1­13 1.4 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . 1­14 1.5 Computer External Components . . . . . . . . . . . . . . . 1­15 1.6 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­27 2 Troubleshooting 2.1 Computer Setup and Diagnostics Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2­1 Selecting Computer Setup or Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . 2­1 Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2­3 Selecting from the Security Menu . . . . . . . . . . . . . . . 2­4 Selecting from the Advanced Menu . . . . . . . . . . . . . 2­5 2.2 Using Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . 2­7 Obtaining, Saving, or Printing Configuration Information. . . . . . . . . . . . . . . . . . . . . 2­7 Obtaining, Saving, or Printing Diagnostic Test Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2­8 2.3 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . 2­10 Maintenance and Service Guide iii Contents 3 Illustrated Parts Catalog 3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 3­1 3.2 Computer System Major Components . . . . . . . . . . . . 3­2 3.3 Miscellaneous Plastics Kit Components . . . . . . . . . 3­10 3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3­12 3.5 Miscellaneous Spare Parts . . . . . . . . . . . . . . . . . . . . 3­14 4 Rem