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2 Troubleshooting Procedures
Procedure 5 Connector Check and Replacement Check
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 Make sure the HDD is firmly connected to CN1900 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.
Check 2 The 2.5” HDD may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures and check the operation. If the
problem still exists, perform Check 3.
Check 3 The HDD cable may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures. If the problem still exists,
perform Check 4.
Check 4 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures.
PORTEGE M700/M750 Maintenance Manual (960-661) [CONFIDENTIAL] 2-37