Toshiba SATELLITE A60 User Manual

Page of 262
2  Troubleshooting 
2.11  Parallel Port 
2-22 
Equium A60/Satellite A60/ Pro A60/A65  Maintenance Manual 
2.11  Parallel Port(Optional) 
To check if the computer’s Parallel Port is defective or malfunctioning, follow the 
troubleshooting procedures below as instructed. 
Procedure 1  Test Program Check 
Procedure 2  Connector Check 
 
Procedure 1 Test Program Check 
Execute the Parallel Port test program available as part of the maintenance test program.  
This program checks the Parallel Port.  Insert the Bootable CD into the CD.  Turn on the 
computer and run the test.  See Chapter 3 for information on how to perform the test. 
If any error is detected by the test, go to Procedure 2 
 
Procedure 2 Connector Check 
The Parallel Port connector  is mounted on the system board.  If the Parallel Port 
malfunctions, the system board or CPU might be faulty. 
Disassemble the computer following the steps described in Chapter 4 and perform the 
following checks: 
Check 1 
The system board may be faulty.  Replace it with a new one following the 
instructions in Chapter 4.  If the Parallel Port is still not functioning 
properly, perform Check 2. 
Check 2 
The memory may be defective. Replace the memory module with a new 
one following the steps described in Chapter 4. If the problem persist, 
perform Check 3. 
Check 3 
The CPU may be faulty. Disassemble the computer following the steps  
described in Chapter 4 and replace the CPU with a new one.