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Internal Microphone Failure - Acer ASPIRE E1-521 Service Manual

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Internal Microphone Failure

If the internal microphone fails, perform the following:
Check that the microphone is enabled. Navigate to Start > Control Panel > Hardware and
1.
Sound > Sound and select the Recording tab.
Right click on the Recording tab and select Show Disabled Devices (clear by default).
2.
The microphone appears on the Recording tab.
Right click on the microphone and select Enable.
3.
Select the microphone then click Properties. Select the Levels tab.
4.
Increase the volume to the maximum setting and click OK.
5.
Test the microphone hardware:
6.
If the issue is still not resolved, refer to
7.
4-11
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Start
Check M/B
MIC cable
Check MIC
wire of LCD
module
OK
Swap M/B
Figure 4:7. Internal Microphone Failure
Select the microphone and click Configure.
Select Set up microphone.
Select the microphone type from the list and click Next.
Follow the on-screen prompts to complete the test.
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OK
NG
Re-assemble the
MIC cable to M/B
OK
NG
Swap MIC wire of
Online Support Information
LCD module
on page 8-2.
Troubleshooting

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