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2 Troubleshooting Procedures 2.7 Keyboard Troubleshooting
2.7 Keyboard Troubleshooting
To determine if the computer’s keyboard is functioning properly, perform the following
procedures. Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1 Diagnostic Test Program Execution Check
Execute the test for keyboard of ONLY ONE test in the Diagnostic Program. Refer to Chapter
3, Tests and Diagnostics, for more information on how to perform the test program.
If an error occurs, go to Procedure 2. If an error does not occur, the keyboard is functioning
properly.
Procedure 2 Connector Check and Replacement Check
The keyboard may be disconnected or damaged. Disassemble the computer following the
steps described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure the keyboard cable is securely connected to the system board.
If the connection is loose, reconnect firmly and repeat Procedure 1. 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 3.
Check 3 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures.
QOSMIO F10 Maintenance Manual (960-498) 2-45