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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—Nonfunction-
ing 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—Nonfunction-
ing Keyboard” or
“Flowchart
2.19—Nonfunction-
ing Pointing Device.”
Check
LED board,
speaker
connections.
Go to
“Flowchart
2.20—No Net-
work/Modem Con-
nection.”