Troubleshooting - Toshiba NB250 Maintenance Manual

2 Troubleshooting Procedures
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2. 17 3G Troubleshooting
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
functioning properly, perform the following procedures. Figure 2-17 outlines the process.
Start with Procedure 1 and continue with the other procedures as instructed.
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STA R T
Perform diagnostic test
(Procedure 1)
W as a 3G problem detected?
Y es
Perform connector and replacem ent check
(Procedure 2)
R eplace 3G antenna/unit
R eplace system board
EN D
Figure 2-17 3G troubleshooting process
N o
44
3G system is not
faulty. C ontinue
troubleshooting - refer
to Figure 2.1