2 Troubleshooting Procedures
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
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2.17 MIC Troubleshooting
Figure 2-16 MIC troubleshooting process
The MIC line or system board may be the reason of a MIC fault. Either of these two
components may be damaged. To determine if the computer’s MIC is functioning properly,
perform the following procedures. Figure 2-16 outlines the process. Start with Procedure 1
and continue with the other procedures as instructed.