Compaq Presario 18XL Maintenance & Service Guide Presario 1800/1800T Serie - Page 4

Preface, Symbols, Technician Notes

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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. Å WARNING: 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. Ä CAUTION: 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 Å 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 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. 2 BEFORE YOU BEGIN PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES

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2 B
EFORE
Y
OU
B
EGIN
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
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.
Å
WARNING:
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.
Ä
CAUTION:
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
Å
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 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.