19. No Network or Modem Connection

No network/modem connection.

Network

 

N

 

Replace jack

 

or modem jack

 

 

 

 

 

or have jack

 

 

 

 

 

 

active?

 

 

 

 

 

activated.

 

 

 

 

 

 

 

 

 

Y

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Digital line?

 

 

Connect to

 

 

 

 

 

 

 

 

 

 

 

 

non-digital line.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

NIC/modem

N

 

Reload drivers

configured in

 

 

 

 

and reconfigure.

OS?

 

 

 

 

 

 

 

 

 

Y

Disconnect all power from PC and open computer.

Reseat NIC/modem if applicable.

Y

OK?

N

Replace NIC/modem if applicable.

Y

OK?

N

Replace system board.

Done

Done

3-20 Troubleshooting Flowcharts for Portable Computers