HP Nc6220 HP Compaq nc6220 and nc6230 Notebook PC - Maintenance and Service Gu - Page 35

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

Page 35 highlights

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. 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 All drives working? N Keyboard/ pointing device working? 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 2-7

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Troubleshooting
Maintenance and Service Guide
2–7
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
working?
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.”