2-2
400 Series
2.2
Troubleshooting Flowchart
Use the flowchart in figure 2-1 as a guide for determining which troubleshooting procedures
to execute. Before going through the flowchart steps, do the following:
❑
Verify with the customer that Toshiba MS-DOS is installed on the hard disk. Non-
Toshiba operating systems can cause the computer to malfunction.
❑
Make sure all optional equipment is disconnected from the computer.
❑
Make sure the floppy disk drive is empty.