Initial Troubleshooting; No Power, Part 1 - Compaq N620c Maintenance And Service Manual

Flowchart 2.1 - Initial Troubleshooting
Begin
troubleshooting.
N
Is there
Flowchart 2.2,
power?

No Power, Part 1.

Y
N
Beeps,
LEDs, or error
messages?
connections.
Y
N
Is there video?
Flowchart 2.6,
(no boot)
No Video, Part 1.
Y
N
Is the OS
Flowchart 2.9,
loading?
No OS Loading.
Y
N
Is there
Flowchart 2.15,
sound?
Y
Maintenance and Service Guide
Go to
Check
LED board,
speaker
All drives
working?
Y
Go to
Keyboard/
pointing device
working?
Y
Go to
Connecting
to network
or modem?
Y
Go to
No Audio.
Troubleshooting
N
Go to
Flowchart 2.17,
Nonfunctioning
Device.
N Go to
Flowchart 2.18,
Nonfunctioning
Keyboard,
or Flowchart 2.19,
Nonfunctioning
Pointing Device.
N
Go to
Flowchart 2.20,
No Network or
Modem
Connection.
End
2–11