User manual COMPAQ DESKPRO FAMILY TROUBLESHOOTING GUIDE

[. . . ] Troubleshooting Guide Compaq Deskpro Family of Personal Computers Troubleshooting Guide Compaq Deskpro Family of Personal Computers Notice The information in this guide is subject to change without notice. COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN; NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL. Except for use in connection with the accompanying Compaq product, no part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. Microsoft, MS-DOS, Windows, Windows NT, and other names of Microsoft products referenced herein are trademarks or registered trademarks of Microsoft Corporation. [. . . ] Configuration Record Utility provides a means for automatically identifying and comparing configuration changes, and has the ability to maintain a computer configuration history. This utility was developed to allow resolution of problems without taking the computer off-line and to assist in maximizing computer availability. The information obtained by the utility is useful in troubleshooting computer problems, and streamlines the service process by enabling quick and easy identification of computer configurations, which is the first step in resolving service cases. The Compaq Configuration Record Utility is accessed via an icon in the Control Panel. When running the utility, information is automatically gathered on such items as the operating system version number, operating system parameters, and the operating system startup files. The utility then combines this information with information on the hardware configuration to deliver a comprehensive view of the computer. 1-16 Troubleshooting Contacting Compaq Customer Support For help and service, contact your Compaq authorized reseller or dealer. For a list of phone numbers, consult the warranty. If you take your computer to a Compaq authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords, if they are set. Troubleshooting 1-17 chapter 2 POST ERROR MESSAGES Error Codes This chapter lists the error codes that you may encounter during the Power-On Self-Test (POST) or computer restart, the probable source of the problem, and what steps you can take to resolve the error condition. Power-On Self-Test Messages Message 101-Option ROM Error Beeps* 1L, 1S Probable Cause System ROM checksum. Recommended Action 1. If an expansion card was recently added, remove it and see if the problem remains. If the message disappears, there may be a problem with the expansion card. Replace the system board. 102-System Board Failure None DMA, timers, etc. 1. Replace the system board. 103-System Board Failure None DMA, timers, etc. 1. Replace the system board. * L = Long, S = Short Continued Troubleshooting 2-1 Power-On Self-Test Messages Continued Message 162-System Options Not Set Beeps* 2S Probable Cause Configuration incorrect. Battery life is approximately 5 years. Recommended Action Run Computer Setup (F10 Setup). Refer to the Making Hardware Changes guide for instructions on installing a new battery, or contact your Compaq authorized dealer or reseller for RTC battery replacement. Refer to the Making Hardware Changes guide for instructions on installing a new battery, or contact your Compaq authorized dealer or reseller for RTC battery replacement. Verify proper memory module type. 163-Time & Date Not Set 2S Invalid time or date in configuration memory. Battery life is approximately 5 years. CMOS jumper may not be properly installed 164-Memory Size Error 2S Memory configuration incorrect. 183-Invalid Processor Jumper Setting * L = Long, S = Short 2S System board jumper improperly set. Reset system board jumpers to match processor and bus speeds (select models). Continued 2-2 POST Error Messages Power-On Self-Test Messages Continued Message 201-Memory Error Beeps* None Probable Cause RAM failure. Recommended Action 1. Remove and replace the memory module(s) one at a time to isolate faulty module. If error persists after replacing memory modules, replace the system board. 202-Memory Type Mismatch 207-ECC Corrected Single Bit Errors in DIMM/SIMM Pair(s) x, x in Memory Module Socket(s) y, y, . . . 213-Incompatible DIMM Module in DIMM Socket(s) X, X, . . . None 2S Memory modules do not match each other. Replace memory module if problem persists. 2S A DIMM module in DIMM socket identified in the error message is missing critical SPD information, or is incompatible with the chipset. Replace keyboard. 301-Keyboard Error None * L = Long, S = Short Continued Troubleshooting 2-3 Power-On Self-Test Messages Continued Message 304-Keyboard or System Unit Error Beeps* None Probable Cause Keyboard failure. Recommended Action 1. [. . . ] If errors are found, click the Error tab to display more detailed information and recommended actions. By following the recommended actions, you may be able to solve some problems yourself. Click Print or Save the error information in case you need to contact your Compaq authorized dealer, reseller, or service provider for assistance. To exit Compaq Diagnostics for Windows, click File, then click Exit. 5. 6. 7. Troubleshooting B-3 appendix C DRIVE PROTECTION SYSTEM (DPS) Introducing the Drive Protection System The Compaq Drive Protection System (DPS) is a diagnostic tool built into the hard drives installed in select Compaq Deskpro computers. [. . . ]