Compaq Evo N800c Series Maintenance And Service Manual page 32

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
Section 2.2,
No Power.
N
Check
LED board,
speaker
connections.
N
Go to
Section 2.6,
No Video.
N
Go to
Section 2.9,
No OS Loading.
N
Go to
Section 2.15,
No Audio.
All drives
working?
Y
Keyboard/
pointing
device
working?
Y
Connecting
to network
or modem?
Y
End
Troubleshooting
N
Go to
Section 2.17,
Nonfunctioning
Device.
N
Go to
Section 2.18,
Nonfunctioning
Keyboard,
or Section 2.19,
Nonfunctioning
Pointing Device.
N
Go to
Section 2.20,
No Network or
Modem.
2–11