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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
Password
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
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.