Toshiba Satellite Series Maintenance Manual page 83

2.21 E-SATA Troubleshooting
No
To determine if the computer's E-SATA system is functioning properly, perform the
following procedures. Figure 2-24 outlines the process. Start with Procedure 1 and continue
with the other procedures as instructed.
Procedure 1: E-SATA device check
Procedure 2: Windows Application check
Procedure 3: Connection and replacement check
Satellite L550 / Satellite L555 / Satellite L557 / Satellite Pro L550
START
Perform E-SATA device check
(Procedure 1)
Is E-SATA transmission ok?
Yes
Perform diagnostic check
(Procedure 2)
Was an E-SATA problem detected?
Yes
Perform connection and replacement check
(Procedure 3)
Replace system board
END
Figure 2-20 E-SATA troubleshooting process
2 Troubleshooting Procedures
E-SATA port and
transmission are not
No faulty. Continue
troubleshooting - refer
to Figure 2.1
50