1. Initial Troubleshooting

Begin

Troubleshooting

Is there power?

Y

Beeps,

LEDs, or error

messages?

N

Go to Page 3-3,

No Power

N

Go to Page B-1,

Error Messages

N

Y

Is there video?

(no boot)

Y

Is the O/S loading?

Y

Is there sound?

Non-Functioning

working?

Device

Y

 

 

Keyboard/

N

 

Go to Page 3-19,

 

Mouse

 

 

Keyboard/Mouse

working?

 

 

 

Y

 

 

 

N

 

Connecting

Go to page 3-20,

 

Network or

to network

 

 

Modem

or modem?

 

 

Connection

 

 

Y

Y

End

3-2 Troubleshooting Flowcharts for Portable Computers