2.9 Display Troubleshooting
2 Troubleshooting Procedures
Procedure 4
Replacement Check
Fluorescent lamp, FL inverter, LCD module, HV cable and LCD/FL cable are connected to
display circuits. Any of these components may be faulty. Refer to Chapter 4,
Replacement
Procedures,
for instructions on how to disassemble the computer and then perform the
following checks:
If fluorescent lamp does not light, perform Check 1.
If characters or graphics on the internal display are not displayed clearly, perform
Check 4.
If some screen functions do not operate properly, perform Check 4.
If fluorescent lamp remains lit when the display is closed, perform Check 5.
Check 1 Replace fluorescent lamp with a new one following the instructions in Chapter 4,
Replacement Procedures
and test the display again. If the problem still occurs,
perform Check 2.
Check 2 LCD/FL cable may be faulty. Replace FL/LCD cable with a new one following the
instructions in Chapter 4,
Replacement Procedure
and test the display again. If the
problem still occurs, perform Check 3.
Check 3 FL inverter may be faulty. Replace FL inverter with a new one following the
instructions in Chapter 4,
Replacement Procedure
and test the display again. If the
problem still occurs, perform Check 4.
Check 4 LCD module may be faulty. Replace LCD module with a new one following the
instructions in Chapter 4,
Replacement Procedure
and test the display again. If the
problem still occurs, perform Check 5.
Check 5 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4,
Replacement Procedure
.
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QOSMIO G10 Maintenance Manual (960-497)
Summary of Contents for Qosmio G10 Series
Page 10: ...x QOSMIO G10 Maintenance Manual 960 497 ...
Page 11: ...Chapter 1 Hardware Overview QOSMIO G10 Maintenance Manual 960 497 1 i ...
Page 12: ...1 Hardware Overview 1 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 48: ...Chapter 2 Troubleshooting Procedures QOSMIO G10 Maintenance Manual 960 497 2 i ...
Page 49: ...2 2 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 53: ...2 vi QOSMIO G10 Maintenance Manual 960 497 ...
Page 116: ...Chapter 3 Tests and Diagnostics QOSMIO G10 Maintenance Manual 960 497 3 i ...
Page 117: ...3 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 121: ...3 vi QOSMIO G10 Maintenance Manual 960 497 ...
Page 224: ...Chapter 4 Replacement Procedures QOSMIO G10 Maintenance Manual 960 497 4 i ...
Page 225: ...4 Replacement Procedures 4 4 ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 312: ...Appendices QOSMIO G10 Maintenance Manual 960 497 App i ...
Page 313: ...App ii QOSMIO G10 Maintenance Manual 960 497 ...
Page 326: ...Appendix A Handling the LCD Module A 6 QOSMIO G10 Maintenance Manual 960 497 ...
Page 388: ...Appendix G BIOS Rewrite Procedures G 2 QOSMIO G10 Maintenance Manual 960 497 ...
Page 392: ...Appendix I Reliability I 2 QOSMIO G10 Maintenance Manual 960 497 ...