Toshiba A1 Manual Do Utilizador

This section describes how to determine if the computer’s display is functioning properly.  
Start with Procedure 1 and continue with the other procedures as instructed.   

Procedure 1:  Diagnostic Test Program Execution Check 
Procedure 2:  Connector and Cable Check 
Procedure 3:  Replacement Check 

The Display Test program is stored on the Diagnostics disk. Insert the Diagnostics disk in the 
computer’s floppy disk drive, turn on the computer and run the test. Refer to Chapter 3, Tests 
and Diagnostics for details. 

This program checks the display controller on the system board. If an error is detected, go to 
Procedure 3. 

The LCD module is connected to the system board through the LCD harness. The cable may 
be disconnected from the board or damaged. Disassemble the computer following the steps 
described in Chapter 4, Replacement Procedures. Check that the pin of the LCD I/F connector 
is not bent or broken. If the connection is loose, reconnect firmly and repeat Procedure 2. If 
there is still an error, go to Procedure 3. 

System Board