Megaphone: Sound Input Device Already in Use (9/96)


When I attempt to open MegaPhone, an error message occurs stating that the sound input device is already in use. What causes this error message?
Step 1
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From the Apple menu, open the Extensions Manager control panel.

Step 2
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* Global Village Telport Gold IIv modems:

Verify that the the following extensions are on (checked):
- Internal Modem Sounds
- Serial Update 406
- Telephone Manager Extension

* Global Village Telport Platinum V modems:
Verify that the the following extensions are on (checked):
- Audio Volume Extension
- Processor Info Extension
- Serial Update 406
- Telephone Manager Extension

Step 3
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Close the Extensions Manager window and restart your computer. MegaPhone should run correctly.


This article provides information about a non-Apple product. Apple Computer, Inc. is not responsible for its content. Please contact the vendor for additional information.

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This article was published in the Information Alley on 13 September 1996.

Published Date: Feb 18, 2012