After turning on the volume boost, the video cannot go into full screen mode.

[SkyHeart90]

When watching videos, the volume was too low, so I turned on the volume gain. However, after enabling it, the video only goes into a webpage fullscreen mode and fails to enter true fullscreen.

[polywock]

Hi. The Tab Capture API, which Global Speed uses to manipulate audio, disables entering fullscreen once activated.

Workaround: Only activate once you're already in fullscreen using shortcut.

1. In options page, create a Tab Capture shortcut key.
2. Set the trigger to Command A.
3. Open chrome://extensions/shortcuts and bind your preferred shortcut key to Command A.

Only after entering fullscreen, you can activate gain by using the Tab Capture shortcut.