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2Troubleshooting Procedures
SatelliteA660/ProA660 Series Maintenance Manual
80
2.30 3G Troubleshooting
ST AR T
Perform W indow s application test
(P rocedure 1)
W as a 3G problem detected?
Perform system info and electric w ave check
(P rocedure 2)
R eplace 3G antenna/unit
R eplace system board
EN D
Y es
3G system is not
faulty. C ontinue
troubleshooting - refer
to F igure 2.1
N o
Figure 2-29 3G troubleshooting process
Notes: 3G Antenna assemble rule as below:
color of antenna
Assemble location
Red antenna Main/1
Blue antenna Aux/2
The 3G antenna wire, 3G unit or system board may each be the source of a 3G fault. Any of
these components may be damaged. To determine if the computer’s wireless LAN system is