Go to "Start," "Control Panel," then double-click on "Add/remove Programs."
Click on the "Windows Setup" tab, "Multimedia," then select "Details."
Choose "Sound Recorder" from that screen, then click "OK."
The Sound Recorder application will begin to run.
Step 4 will begin the microphone test.
Click "Record," which is the circle located on the right side of the user interface.
If you hardware device is functional, you should see the recording display begin to move.
Press "Stop," "Rewind," then "Play" to verify the audio that has been recorded.
If you are able to hear what the microphone picked up, but are having trouble hearing the microphone's input within other software, refer to the software's manual about proper configuration of the device.
If you were unable to record with your Acer microphone in Sound Recorder, continue to Step 6. 6
Scroll your mouse over to the bottom-right corner of your computer screen and then double-click on the small speaker icon.
Slide the microphone volume slider all the way to the top and make sure that there hasn't been a mute check-box selected.
If you are still experiencing error while recording with your Acer laptop's built-in microphone, you most likely have faulty hardware that needs to be replaced by Acer directly.