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Troubleshooting Procedures
2-54 [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)
Check 2 The Bluetooth module 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 Bluetooth 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