Internal Microphone Failure - Acer Ferrari One 200 Service Manual

5. Ensure that all volume controls are set mid range:
a. Click the volume icon on the taskbar and drag the slider to 50. Ensure that the volume is not muted.
b. Click Mixer to verify that other audio applications are set to 50 and not muted.
6. Navigate to Start
as the default audio device (green check mark).
NOTE: If Speakers does not show, right-click on the Playback tab and select Show Disabled Devices
(clear by default).
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 165.

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.
Chapter 4
Control Panel Hardware and Sound
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
Sound. Ensure that Speakers are selected
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
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