2 Troubleshooting Procedures
Satellite U300 and Satellite Pro U300 Maintenance Manual (960-Q08)
31
2.7 Keyboard Troubleshooting
To check if the computer’s keyboard is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Keyboard Test (DIAGNOSTIC TEST) and Pressed key display test (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, keyboard is functioning
properly.
Summary of Contents for Satellite Pro U300
Page 13: ...Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 13 ...
Page 14: ...Chapter 1 Hardware Overview ...
Page 48: ...2 1 CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 49: ...2 2 CONFIDENTIAL Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 2 ...
Page 118: ...Test Program for Field Satellite U300 and Satellite Pro U300 Tests and Diagnostics Manual 17 ...
Page 172: ...Replacement Procedures 4 iiSatellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 228: ...Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 App i Appendices ...
Page 229: ...App ii Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 239: ...Handling the LCD Module A 6 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 285: ...Display codes D 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 307: ...Wiring Diagrams F 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 311: ...Reliability I 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...
Page 313: ...Reliability I 2 Satellite U300 and Satellite Pro U300 Maintenance Manual 960 Q08 ...