There is no sound on the iPad, but not on all videos, how to fix it?

Question

iPad

There is sound on YouTube, but if I watch video news or another, there is no sound. Please help experts.

Answer 1

Apple doesn't offer many options for solving problems.
To be more precise, it’s only one, make a backup, reset the iPad to factory settings through iTunes, roll up the backup. All.

Answer 2

what ipad? what videos? Are you watching through the app or through the browser? Maybe the app is muted, more info

Answer 3

iPad Air - there is no sound through the browser - but there is a YouTube application.