Flowchart 2.1—Initial Troubleshooting - HP Pavilion dv4200 Maintenance And Service Manual

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