User Guide
Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1815, 1820, and 1825 
WARNING:  Only authorized technicians trained by Compaq should repair this equipment. All troubleshooting and repair 
procedures are detailed to allow only subassembly/module level repair. Because of the complexity of the individual boards 
and subassemblies, the user should not attempt to make repairs at the component level or to make modifications to any 
printed circuit board. Improper repairs can create a safety hazard. Any indications of component replacement or printed 
circuit board modifications may void any warranty 
Serial Number 
When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The 
serial number is located on the bottom of the computer. 
Locating Additional Information 
The following documentation is available to support this product: 
● Compaq Presario 1900 Series Portable Computer documentation set 
● Introducing Windows 98 Guide 
● Service Training Guides 
● Compaq Service Advisories and Bulletins 
● Compaq QuickFind 
● Compaq Service Quick Reference Guide 
1.800.AT.COMPAQ
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