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.
Procedur
connection is defective
nnector CN21 (system board). If the
e 1 Connector Check and Replacement Check
The 3G module is connected to system board. If 3G malfunctions, its
or Antenna and system board may be faulty.
Check 1 Make sure 3G is firmly connected to the co
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 T110 / Satellite Pro T110 / PORTEGE T110 Maintenance Manual (960-Q08) 
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