Troubleshooting
Maintenance and Service Guide
2–9
Flowchart 2.1—Initial Troubleshooting
Connecting
to network
or modem?
Begin
troubleshooting.
Is there
power?
Is the OS
loading?
Is there video?
(no boot)
Is there
sound?
Beeps,
LEDs, or error
messages?
Keyboard/
pointing
device work-
ing?
Go to
“Flowchart
2.17—Nonfunc-
tioning Device.”
Go to
“Flowchart
2.2—No Power,
Part 1.”
Go to
“Flowchart
2.6—No Video,
Part 1.”
All drives
working?
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
End
N
N
N
Go to
“Flowchart
2.9—No Operating
System (OS)
Loading.”
Go to
“Flowchart
2.15—No Audio,
Part 1.”
Go to
“Flowchart
2.18—Nonfunc-
tioning Keyboard”
or
“Flowchart
2.19—Nonfunc-
tioning Pointing
Device.”
Check
LED board,
speaker
connections.
Go to
“Flowchart
2.20—No Net-
work/Modem Con-
nection.”
Summary of Contents for COMPAQ NC4200
Page 65: ...4 4 Maintenance and Service Guide Illustrated Parts Catalog Notebook Major Components ...
Page 67: ...4 6 Maintenance and Service Guide Illustrated Parts Catalog Notebook Major Components ...
Page 69: ...4 8 Maintenance and Service Guide Illustrated Parts Catalog Notebook Major Components ...