Toshiba PROL450D Manual Do Utilizador

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2 Troubleshooting Procedures 
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual 
 
                                                                    
 27
 
Procedure 5 
Connection check and replacement check 
The optical drive connects to the system board. The drive may be disconnected, or the drive 
or system board may be damaged. Disassemble the computer following the steps described in 
Chapter 4, Replacement Procedures, and perform the following checks: 
 
Check 1 
Make sure the drive is firmly connected to the system board. If the connection is 
good and there is still an error, go to Check 2. 
Check 2 
The drive or drive cable may be defective or damaged. Replace each with a new 
one following the steps in Chapter 4, Replacement Procedures. If the drive is still 
not functioning properly, perform Check 3. 
Check 3 
The system board may be damaged. Replace it with new one following the 
instructions in Chapter 4, Replacement Procedures.