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2 Troubleshooting Procedures
QOSMIO X300 Series Maintenance Manual
14
Procedure 4
Diagnostic check
The power supply may not charge the battery pack. Perform the following procedures:
1.
Reinstall the battery pack.
2.
Attach the AC adaptor and turn on the power. If you cannot turn on the power, go to
Procedure 5.
3.
Run the Diagnostic test following the procedures described in Chapter 3, Tests and
Diagnostics. If no problem is detected, the battery is functioning normally.
Procedure 5
Replacement check
The system board may be disconnected or damaged. Disassemble the computer following the
steps described in Chapter 4,
Replacement Procedures
. Check the connection between the AC
adaptor and the system board. After checking the connection, perform Check 1:
Check 1
Use a multi-meter to make sure that the fuses on the system board are not blown.
If a fuse is not blown, go to Check 2. If a fuse is blown, go to Check 3.
Check 2
Make sure that the battery cable is firmly connected to the system board. If it is
connected firmly, go to Check 3.
Check 3
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
Summary of Contents for Qosmio X300 Series
Page 1: ...Toshiba Personal Computer Qosmio X300 Maintenance Manual TOSHIBA CORPORATION CONFIDENTIAL ...
Page 10: ...Chapter 1 Hardware Overview ...
Page 11: ...1 Hardware Overview Qosmio X300 Maintenance Manual 1 ii ...
Page 31: ...Chapter 2 Troubleshooting Procedures 2 ...
Page 32: ......
Page 99: ...3 Tests and Diagnostics 1 Chapter 3 Tests and Diagnostics ...
Page 104: ...3 Tests and Diagnostics 6 ...
Page 115: ...3 Tests and Diagnostics Japan keyboard UK keyboard 17 ...
Page 128: ...3 Tests and Diagnostics If the picture shows as below it means he HDD function is NG 30 ...
Page 136: ...3 Tests and Diagnostics You can press ESC to exit test after test pass 38 ...
Page 137: ...Chapter 4 Replacement Procedures ...
Page 138: ...4 Replacement Procedures Qosmio X300 Maintenance Manual 4 ii ...
Page 144: ...4 Replacement Procedures Qosmio X300 Maintenance Manual 4 viii ...