Toshiba Satellite SERIES Maintenance Manual page 95

2Troubleshooting Procedures
To determine if the computer's E-SATA system is functioning properly, perform the
following procedures. Figure 2-21 outlines the process. Start with Procedure 1 and continue
with the other procedures as instructed.
Procedure 1
Connect an E-SATA device to the computer's E-SATA port, and then boot the computer for
Windows7. The computer should automatically detect the E-SATA device. Check whether
the device can transmit data to the computer.
If the device is able to communicate with the computer, the problem may be intermittent or
connections may be faulty. Go to Procedure 2.
If communication is impaired, there may be a faulty connection. Go to Procedure 3.
Procedure 2
Run the Windows Application, which will automatically execute the E-SATA port test for
transmission, Tests and Diagnostics for more information on how to run the program.
If an error is located, go to Procedure 3. If an error does not occur, the E-SATA port is
functioning properly.
Procedure 3
The transmission cable may be damaged or the connections may be loose. Perform Check 1:
Check 1
Check 2
Check 3
Check 4
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Figure 2-21 E-SATA troubleshooting process
Procedure 1: E-SATA device check
Procedure 2: Windows Application check
Procedure 3: Connection and replacement check
E-SATA device check
Windows Application check
Connection and replacement check
Make sure the transmission cable is firmly plugged into both the E-SATA -
compatible device and the E-SATA port of the computer. If the cable is connected
correctly, go to Check 2.
Make sure the E-SATA port is firmly secured to the system board of the
computer. If the malfunction persists, go to Check 3.
The transmission cable may be damaged. Replace with a good cable. If the
malfunction persists, go to Check 4
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
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