XO Troubleshooting AV
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This is the portion of the XO Troubleshooting Guide for diagnosing problems with the audio and camera components of an XO laptop.
Open Firmware Tests
A stereo sweep pattern is output for testing the speakers/headset jack when running the Open Firmware hardware tests. A microphone test, where audio is recorded, then played back (at low volume) is also included. See Hardware Self-Test.
No sound through the speakers
Garbled sound through the speakers
No sound through the headphones
If the speakers function correctly, this is caused by the headphone connector.