Toshiba Satellite Pro M10 Series Maintenance Manual page 86

2 Troubleshooting Procedures
Check 5 Make sure the switch board I/F cable is firmly connected to the system board and to
the switch board.
Switch board
If any of the connections are loose, reconnect firmly and repeat Procedure 1. If there
is still an error, go to Check 6.
Check 6 The switch board or the I/F cable may be damaged. Replace them with new ones
following the instructions in Chapter 4. If the problem still exists, perform Check 7.
Check 7 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
2-40
2.7 Keyboard Troubleshooting
PJ2025 System board
Switch board I/F cable
Satellite Pro M10 Series Maintenance Manual (960-431)