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Chapter 2 Troubleshooting Procedures
2.15 3G Troubleshooting
To check if the computer’s 3G is malfunctioning or not, follow the troubleshooting procedure
below as instructed.
Procedure 1 Connector Check and Replacement Check
The 3G module is connected to system board. If 3G malfunctions, its connection is defective
or Antenna and system board may be faulty.
Check 1 Make sure 3G is firmly connected to the connector CN21 (system board). If the
problem still occurs, perform Check 2.
Check 2 Antenna may be faulty. Replace it with new one. If the problem s till occurs,
perform Check 3.
Check 3 3G card may be faulty. Replace it with a new one following the steps in Chapter 4.
If the problem still occurs, perform Check 4.
Check 4 System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.
Satellite T130D and Pro T130D and PORTEGE T130DMaintenance Manual (960-Q08)