Initial Troubleshooting - Compaq Evo N150 Maintenance And Service Manual

Troubleshooting

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
2–4
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
Maintenance and Service Guide
N
Go to
Section 2.17,
Non Functioning
Device
Go to
N
Section 2.18,
Non Functioning
Keyboard,
or Section 2.19,
Non Functioning
Pointing Device.
N
Go to
Section 2.20,
No Network
or Modem
Connection.