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2 Troubleshooting Procedures 2.7 Keyboard and Touch pad Troubleshooting
Procedure 2 Connector Check 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 CN3200 on the system
board.
If the connection is loose, reconnect firmly. 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 5.
Check 3 Make sure the touch pad cable is firmly connected to CN3201 on the system
board.
If the connection is loose, reconnect firmly. If there is still an error, go to Check 4.
Check 4 The touch pad or the touch pad 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 5.
2-42 [CONFIDENTIAL] TECRA M5 Maintenance Manual (960-542)