Toshiba Satellite/Satellite PRO T230D SERIES Manual Do Utilizador

  

                                                                                                            

Satellite T230D/T235D Series Maintenance Manual 

                                                                    

38

 

To determine if the computer’s LAN port is functioning properly, perform the following 
procedures. Figure 2-14 outlines the process. Start with Procedure 1 and continue as 
instructed. 

Procedure 1:  Diagnostic test 

Procedure 2:  Connection and replacement check 

Run T&D Program on DOS model, which will display the LAN test result. 

If tests and diagnostics result abnormal go to Procedure 2. If an error is not located, the 3D 
functioning is properly. 

The transmission cable may be damaged or the connections may be loose. Perform Check 1: 

Check 1 

Make sure the transmission LAN cable is firmly plugged into the LAN port of the 
computer. If the LAN cable is connected correctly, go to Check 2. 

Check 2 

Make sure the LAN port is firmly secured to the system board of the computer. If 
the malfunction persists, go to Check 3. 

Check 3 

The transmission LAN cable may be damaged. Replace with a good LAN cable. 
If the malfunction persists, go to Check 4 

Check 4 

The system board may be damaged. Replace it with a new one following the 
instructions in Chapter 4.