If the Acer Chromebook 14 CB3-431-C7EX has distorted audio when using the headphone jack, use this guide to replace the headphone jack.
The headphone jack of the Acer Chromebook 14 allows the users to use external audio sources. A faulty headphone jack may cause the Acer Chromebook 14 to experience distorted audio or lack of audio playback in to the user’s headphones.
Before buying a replacement headphone jack, use the first two steps of the guide ensure that the headphone jack is properly connected within the laptop and free of any obstruction within the jack. You may be able to fix this issue by reconnecting a loose connector.
Before beginning, be sure to power down the laptop, and unplug from the external power source(s).