Toshiba PORTEGE R400 Maintenance Manual page 41

2.2 Troubleshooting Flowchart
Use the flowchart in Figure 2-1 as a guide for determining which FRU malfunctions. 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 Windows Vista
Operating systems not preinstalled by Toshiba can cause the computer malfunction.
Make sure all optional equipment is removed from the computer.
Make sure the USB FDD (When connected to the computer) and optical drive are
empty.
PORTEGE R400 Maintenance Manual (960-623)
TM
preinstalled by Toshiba is installed on the hard disk.
2 Troubleshooting Procedures
[CONFIDENTIAL] 2-3