2  Troubleshooting Procedures   2.2  Troubleshooting Flowchart 
2-2              [CONFIDENTIAL]    Satellite A50S/TECRA A3X  Maintenance Manual (960-534) 
2.2 Troubleshooting Flowchart  
Use the flowchart in Figure 2-1 as a guide for determining which troubleshooting 
procedure is executed. Before going through the flowchart steps, check the following: 
  Make sure that Toshiba Windows
®
 OS is installed on the hard disk. Non-Toshiba 
operating systems can cause the computer malfunction. 
  Make sure all optional equipment is removed from the computer.