Toshiba PROA500 Manual De Usuario

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2 Troubleshooting Procedures 
         
Satellite L500 / Pro L500 Series Maintenance Manual         
16
 
Procedure 3 
Connector and replacement check 
The LCD module and system board are connected to the display circuits.  Any of these 
components may be damaged.  Refer to Chapter 4, Replacement Procedures, for instructions 
on how to disassemble the computer and then perform the following checks: 
Check 1 
Make sure the DDR module is seated properly. Test display again. If the problem 
still exits, replace the DDR RAM module. If the problem still exists, perform 
Check 2. 
Check 2 
Replace the LCD module with a new one and test display again.  If the problem 
still exists, perform Check 4. 
Check 3 
Replace the LCD cable with a new one and test display again.  If the problem still 
exists, perform Check 5. 
Check 4 
The system board may be damaged.  Replace it with a new one.