Compaq 1800T, 1825 specifications Troubleshooting, Follow the Preliminary Steps

Maintenance & Service Guide

Presario 1800 Series

Models: 1825 and 1800T

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.

NOTE: If the problem is intermittent, check the computer several times to verify that the problem is solved.