Compaq 1670, 1675 Power-OnSelf Test (POST), NOTE:, Notice, Preface, Home Page, RAM failure, Running POST, Probable Cause, Probable Cause, DMA, timers, etc, Recommended Action

"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675

	United States June 27, 2004
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Maintenance & Service Guide

Presario Series

Models : 1270, 1670, and 1675

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Power-On Self Test (POST)Running POSTTo run POST, complete the following steps:Turn off the computer, then turn on the computer.

If POST does not detect any errors, the computer will not beep. This indicates successful completion of POST test. POST has run successfully and boots from the hard drive (or from a bootable diskette if one is installed in the diskette drive).

If POST detects errors, the errors are indicated by screen and/or audible messages. Refer to "Power-On Self-Test (POST) Codes" in the tables for a list of POST codes and their relevant descriptions.

NOTE: If the system is not functioning well enough to run POST, or if the display is not functioning well enough to show POST error messages, refer to the Troubleshooting tables.

	Power-On Self-Test Messages
	102-System Board Failure
Probable Cause		Recommended Action
DMA, timers, etc.		Replace the system board.
	162-System Options Not Set
Probable Cause		Recommended Action
Configuration incorrect		Run Computer Setup.
CMOS reflects that an invalid		Run Computer Setup.
configuration has been set.
RAM failure		1.	Replace the memory modules.
		2.	Replace the system board.
Memory test data error		1.	Replace the memory modules.
		2.	Replace the system board.
XX000YZZ RAM failure		Replace the system board.

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