Compaq Deskpro 4000N - Desktop PC, Maintenance & Service Manual

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Preface vii
preface
A
BOUT
T
HIS
G
UIDE
This Maintenance and Service Guide is a troubleshooting and repair guide that can be used for
reference when servicing the Compaq Deskpro 4000S and 4000N Series of Personal Computers.
Only authorized technicians trained by Compaq should attempt to repair this equipment.
Compaq Computer Corporation reserves the right to make changes to the Compaq Deskpro 4000S
and 4000N Series of Personal Computers without notice.
Symbols and Conventions
The following text and symbols mark special messages throughout this guide:
!
WARNING : Text set off in this manner indicates that failure to follow directions in the warning could result
in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to
equipment or loss of data.
✎
Text set off in this manner presents commentary, sidelights, clarifying information, or specific
instructions.
The following format conventions distinguish elements of the text throughout this guide:
■ Drive letters that are not in command lines are presented in uppercase type as shown here:
drive A.
■ Folder or directory names that are not in command lines are presented in uppercase type as
shown here: DIRECTORY.
■
The file names are presented in uppercase italic type as shown here: FILENAME.
■ The names of commands are presented in lowercase as shown here: install or a:\install.
■
Commands that are to be entered at the system prompt may be shown on a separate line:
a:\install
■ When you need to type information without pressing Enter, you are directed to “type” the
information.
■
When you need to type the information and press Enter, you are directed to “enter” the
information.