2.13 Wireless LAN Troubleshooting
2 Troubleshooting Procedures
Procedure 2
Antenna Connection Check
The wireless LAN wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4,
Replacement Procedures
, and perform the following checks:
Check 1
Make sure the wireless LAN card is firmly connected to CN2600 on the system
board.
If the connector is disconnected, connect it firmly. If the wireless LAN card is still
not functioning properly, perform Check 2.
Check 2
Make sure the wireless LAN antenna cables are firmly connected to the wireless
LAN card.
If the wireless LAN antenna cables are disconnected, connect them firmly. If the
wireless LAN card is still not functioning properly, go to Procedure 3.
Procedure 3
Replacement Check
The wireless LAN antenna, wireless LAN board and the system board are connected to the
circuits. Any of these components may be damaged. Refer to Chapter 4,
Replacement
Procedures,
for instructions on how to disassemble the computer and then perform the
following checks:
Check 1
The wireless LAN card may be defective or damaged. Replace it with a new one
following the steps in Chapter 4,
Replacement Procedures
. If the problem still
exists, perform Check 2.
Check 2
The wireless LAN antenna may be defective or damaged. Replace the antenna
with a new one following the steps in Chapter 4,
Replacement Procedures
. If the
problem still exists, perform Check 3.
Check 3
The system board may be defective or damaged. Replace the board with a new
one following the instructions in Chapter 4,
Replacement Procedures
and test the
display again.
PORTÉGÉ M500 Maintenance Manual (960-559)
[CONFIDENTIAL]
2-57
Summary of Contents for Portege M500
Page 10: ...x CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 38: ...1 Hardware Overview 1 8 AC Adapter 1 24 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 40: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 116: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 3 ...
Page 120: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 224: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 225: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 226: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 230: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 319: ... CONFIDENTIAL Appendices ...
Page 320: ...Appendices App ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 336: ...Appendices Appendix B Board Layout B 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 366: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 374: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...