Troubleshooting

Flowchart 2.1—Initial Troubleshooting

Begin troubleshooting.

N

Is there power?

Y

Go to

Section 2.2,

No Power.

N

 

 

 

Beeps,

Check

 

 

LED board,

 

 

LEDs, or error

N

 

speaker

 

messages?

 

connections.

 

Go to

Y

 

All drives

 

Section 2.17,

 

working?

 

Nonfunctioning

N

Y

 

Device.

 

 

 

 

 

Is there video?

Go to

 

 

Section 2.6,

N

Go to

(no boot)

No Video.

 

 

Section 2.18,

 

Keyboard/

 

Y

 

Nonfunctioning

pointing

 

 

 

Keyboard,

 

device

 

 

 

or Section 2.19,

N

working?

 

 

Nonfunctioning

 

Y

 

Pointing Device.

Is the OS

Go to

N

 

loading?

Section 2.9,

 

 

No OS Loading.

 

Go to

Y

Connecting

 

 

Section 2.20,

 

to network

 

No Network or

 

or modem?

 

N

 

Modem.

Y

 

 

 

 

 

 

Is there

Go to

 

 

sound?

Section 2.15,

 

 

 

No Audio.

 

 

Y

End

 

 

 

 

 

Maintenance and Service Guide

2–11

Page 35
Image 35
Compaq NC4000 manual Flowchart 2.1-Initial Troubleshooting, Is there power? Go to Section No Power