HP nw8240 HP Compaq nc8230, nx8220 and nw8240 Notebook PC - Maintenance and Se - Page 35

Flowchart 2.1-Initial Troubleshooting, Troubleshooting, Maintenance and Service Guide

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Troubleshooting Flowchart 2.1-Initial Troubleshooting Begin troubleshooting. N Is there power? Y Go to "Flowchart 2.2-No Power, Part 1." N Beeps, LEDs, or error messages? Y N Is there video? (no boot) Y N Is the OS loading? Y N Is there sound? Y Check LED board, speaker connections. N All drives working? Y Go to "Flowchart 2.6-No Video, Part 1." Go to Y "Flowchart 2.9-No Operating System (OS) Loading." Y Go to "Flowchart 2.15-No Audio, Part 1." N Keyboard/ pointing device work- ing? N Connecting to network or modem? End Go to "Flowchart 2.17-Nonfunctioning Device." Go to "Flowchart 2.18-Nonfunctioning Keyboard" or "Flowchart 2.19-Nonfunctioning Pointing Device." Go to "Flowchart 2.20-No Network/Modem Connection." Maintenance and Service Guide 2-9

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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—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
Network/Modem
Connection.”