Acer eMachines eM250, Руководство по обслуживанию

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Chapter 4 127
Internal Microphone Failure
If the internal Microphone fails, perform the following actions one at a time to correct the problem. Do not
replace non-defective FRUs:
Microphone Problems
If internal or external Microphones do no operate correctly, perform the following actions one at a time to
correct the problem.
1. Check that the microphone is enabled. Navigate to Start
´
Control Panel
´
Hardware and Sound
´
Sound and select the Recording tab.
2. Right-click on the Recording tab and select Show Disabled Devices (clear by default).
3. The microphone appears on the Recording tab.
4. Right-click on the microphone and select Enable .
5. Select the microphone then click Properties . Select the Levels tab.
6. Increase the volume to the maximum setting and click OK .
7. Test the microphone hardware:
a. Select the microphone and click Configure .
b. Select Set up microphone .
c. Select the microphone type from the list and click Next .
d. Follow the onscreen prompts to complete the test.
8. If the Issue is still not resolved, see “Online Support Information” on page 181.
Start
Check M/B
Mic cable
Re-assemble
the MIC cable
to M/B
OK
NG
Check MIC
wire of LCD
module
OK
Swap MIC wire
of LCD module
OK
NG
Swap M/B