Troubleshooting Procedures
2-42 PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883) [CONFIDENTIAL]
If the connection is loose, reconnect firmly and repeat Procedure 1. If the problem
still occurs, go to Check 2.
Check 2 Keyboard may be faulty. Replace it with a new one following the instructions in
Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3.
Check 3 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures.