Internal Microphone Failure - Acer Aspire 8943G Series Service Manual

7. Select Speakers and click Configure to start Speaker Setup. Follow the onscreen prompts to configure
the speakers.
8. Remove and recently installed hardware or software.
9. Restore system and file settings from a known good date using System Restore.
If the issue is not fixed, repeat the preceding steps and select an earlier time and date.
10. Reinstall the Operating System.
11. If the Issue is still not resolved, see "Online Support Information" on page 315.

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
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.
Chapter 4
Start Start
Check M/B Mic. Check M/B Mic.
cable cable
OK OK
Check MIC wire Check MIC wire
of LCD module of LCD module
Swap M/B Swap M/B
OK OK
Re-assemble the Re-assemble the
NG NG
MIC cable to M/B MIC cable to M/B
OK OK
Swap MIC wire of Swap MIC wire of
NG NG
LCD module LCD module
Control Panel Hardware and Sound
187