Occasionally you may find that your chromebook is outputting sound from the speakers but not the headphones you have plugged in. Here are three methods to fix the issue.
First try simply restarting your chromebook. The steps to restart your chromebook are found here.
Check your chromebook for software updates. If you chromebook already has downloaded an update you will see it on your chromebook here:
To check if there is an update. Here are the steps:
Go you to your toolbar to open settings.
In settings you want to open the sidebar.
Then click "About Chrome OS"
Then "Check for Updates"
If it finds updates, they will download and then ask you to restart.
Check your audio settings. You are able to choose between outputting sound to your speakers or headphones even if your headphones are still plugged in. Here are the instructions.
With your headphones plugged in, go to your taskbar to get audio settings.
Make sure your headphones are selected for output.