HP 14XL242, 14XL352, 14XL250, 14XL355, 14XL246 manual Preface

Presario 1400 Series

Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356

Preface

The Maintenance and Service Guide is a troubleshooting guide that can be used as a reference when servicing the Compaq Presario 1400 Series Portable Notebooks.

Compaq Computer Corporation reserves the right to make changes to Compaq Presario 1400 Series Portable Notebooks without notice.

Symbols

The following words and symbols alert you to special messages throughout this guide.

ÅWARNING: Text set off in this manner indicates that failure to follow the directions in the Warning could result in bodily harm or loss of life.

ÄCAUTION: Text set off in this manner indicates that failure to follow the directions in the Caution could result in damage to equipment or loss of data.

Important: Text set off in this manner presents clarifying information or extra or specific instructions.

Note: Text set off in this manner presents commentary or interesting points of information.

Technician Notes

ÅWARNING: 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 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 otherwise valid warranty.

Serial Number

When requesting information or ordering spare parts, Compaq will need the Notebook’s serial number. The Serial Number is located on the underside of the Notebook.

2 BEFORE YOU BEGIN PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES