Toshiba Tecra M1 Maintenance Manual - Page 99

2.7 Keyboard and Touch pad Troubleshooting 2 Troubleshooting Procedures Procedure 2 Connector and Replacement Check The keyboard, touch pad or sensor/switch board may be disconnected or damaged. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks: 1. If the keyboard or AccuPoint malfunctions, start with Check 1. 2. If the touch pad malfunctions, start with Check 3. 3. If the power switch, InTouch button or Presentation button malfunctions, start with Check 5. Check 1 Make sure the keyboard cable is securely connected to PJ123 on the system board. If the connection is loose, reconnect firmly and repeat Procedure 2. If there is still an error, go to Check 2. Check 2 The keyboard or its cable may be damaged. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. If the problem still exists, perform Check 7. Check 3 Make sure the touch pad cable is firmly connected to PJ2003 on the system board. Touch pad Touch pad cable If the connection is loose, reconnect firmly and repeat Procedure 2. If there is still an error, go to Check 4. TECRA M1 Maintenance Manual (960 -436) 2-39