Compaq N620c

Troubleshooting
Maintenance and Service Guide 2–11
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,
Nonfunctioning
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 OS Loading.
Go to
Flowchart 2.15,
No Audio.
Go to
Flowchart 2.18,
Nonfunctioning
Keyboard,
or Flowchart 2.19,
Nonfunctioning
Pointing Device.
Check
LED board,
speaker
connections.
Go to
Flowchart 2.20,
No Network or
Modem
Connection.