Troubleshooting Procedures
2-58 PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883) [CONFIDENTIAL]
Check 3 Touch Pad/LED board or the FPC may be faulty. Replace it with a new one
following the instructions in Chapter 4, Replacement Procedures. If the problem
still occurs, perform Check 4.
Check 4 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures.