Toshiba TECRA A8 series Maintenance Manual page 100

2 Troubleshooting Procedures
Procedure 5
The HDD may be disconnected, or the HDD, HDD cable or system board may be damaged.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures and perform the following checks:
Check 1
Check 2
Check 3
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Connector Check and Replacement Check
Make sure the HDD is firmly connected to CN1850 on the system board.
If any of the connections are loose, reconnect firmly and repeat Procedure 1. If
there is still an error, go to Check 2.
The HDD may be damaged. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures. If the problem still exists, perform Check
3.
The System board may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures.
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TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
2.6 HDD Troubleshooting