Troubleshooting Procedures
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.
2-58
PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883)
[CONFIDENTIAL]