2 Troubleshooting Procedures
Satellite/Satellite Pro U500/U500D, PORTEGE M900/M900D, Dynabook Maintenance Manual 2-7
2.2 Troubleshooting Flowchart
Use the flowchart in Figure 2-1 as a guide for determining which FRU is malfunctioning.
Before going through the flowchart steps, check the following:
Ask the user if a password is registered and, if it is, ask him or her to enter the
password.
Make sure that Toshiba Windows VISTA(TM) 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.
Make sure the HDD and optical drive bays are empty.