HP 1805 manual Troubleshooting, Follow the Preliminary Steps Run the Power-OnSelf-Test Post

Maintenance & Service Guide

Presario 1800 Series

Models: 1805 and 1810

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

Troubleshooting

Preliminary Steps

Clearing the Power-On Password

Power-On Self Test (POST)

Compaq Diagnostics Diagnostic Error Codes

Troubleshooting Without Diagnostics

Solving Minor

Problems

Contacting Compaq Support

This section covers troubleshooting information for the Compaq Presario 1800 Series Portable Computers. The basic steps in troubleshooting include:

1.Follow the Preliminary Steps.

2.Run the Power-OnSelf-Test (POST).

3.Follow the recommended actions described in the diagnostic tables, if you are unable to run POST or if POST displays an error message.

When following the recommended actions in the Sections on POST and Diagnostic Error Codes

perform them in the order listed. Rerun POST after each recommended action until the problem is solved and no error message occurs. Once the problem is solved, do not complete the remaining recommended actions.

If the problem is intermittent, check the

NOTE: computer several times to verify that the problem is solved.