Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Preface
The Maintenance and Service Guide is a troubleshooting guide for use as a reference when servicing Compaq Presario 1800 Series Notebook Computers.
Compaq Computer Corporation reserves the right to make changes to Compaq Presario 1800 Series 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 a 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 specific instructions.
Note: Text set off in this manner presents comments 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
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