Compaq N150 manual Initial Troubleshooting

Troubleshooting

2.1 Initial Troubleshooting

Begin Troubleshooting

N

Is there power?

Y

Go to

Section 2.2,

No Power

N

Beeps,

LEDs, or error

Messages?

Y

N

Is there video?

(no boot)

Y

N

Is the OS loading?

Y

N

Is there sound?

Y

Check

LED board,

speaker

connections.

Go to

Section 2.6,

No Video

Go to

Section 2.9,

No OS Loading

Go to

Section 2.15,

No Audio

	N
		Go to
All drives		Section 2.17,
working?		Non Functioning
		Device
Y
	N
Go to
Keyboard/		Section 2.18,
		Non Functioning
pointing
		Keyboard,
device
		or Section 2.19,
working?
		Non Functioning
Y
		Pointing Device.
	N
Connecting		Go to
		Section 2.20,
to network		No Network
or modem?		or Modem
Y		Connection.
End

2–4 Maintenance and Service Guide