Toshiba PORTEGE Z830 Satellite Z830 Maintenance Manual page 80

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