Toshiba M10 - Manual (Page 86)

2 Troubleshooting Procedures 2.7 Keyboard Troubleshooting
2-40 Satellite Pro M10 Series Maintenance Manual (960-431)
Check 5 Make sure the switch board I/F cable is firmly connected to the system board and to
the switch board.
Switch board PJ2025 System board
Switch board I/F cable
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.