2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
QOSMIO G40 Maintenance Manual (960-632)
[CONFIDENTIAL]
2-17
Procedure 5
Replacement Check
The power is supplied to the system board by the AC adapter. If either the AC adapter or the
system board was damaged, perform the following Checks.
To disassemble the computer, follow the steps described in Chapter 4,
Replacement
Procedures
.
When AC adapter is connected:
Check 1 AC adapter may be faulty. Replace the AC adapter with a new one. If the problem
still occurs, perform Check 2.
Check 2 System board may be faulty. Replace the system board with a new one.
When AC adapter is not connected:
(When driving with battery pack)
Check 1 Battery pack may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 2.
Check 2 System board may be faulty. Replace it with a new one.
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Summary of Contents for Qosmio G40
Page 10: ...x CONFIDENTIAL QOSMIO G40 Maintenance Manual 960 632 Downloaded from LpManual com Manuals ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview Downloaded from LpManual com Manuals ...
Page 41: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures Downloaded from LpManual com Manuals ...
Page 131: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics Downloaded from LpManual com Manuals ...
Page 231: ... CONFIDENTIAL Chapter 4 Replacement Procedures Downloaded from LpManual com Manuals ...
Page 375: ... CONFIDENTIAL Appendices Downloaded from LpManual com Manuals ...