Image Courtesy: Iprospect

 To stop videos from playing automatically on your computer:

1. From the top right of Facebook, click and select Settings
2. Click Videos in the left menu
3. Click the dropdown menu next to Auto-play Videos and select Off

To adjust the auto-play settings on your Android phone or tablet:

1. Open the Facebook app
2. Tap ≡
3. Scroll down and tap App Settings
4. Tap Video Auto-play
5. Choose an option

Note: If you don’t see the Video Auto-play settings on your Android phone, log out of the Facebook app. When you log back into Facebook, Video Auto-play should be visible in App Settings.

To adjust the auto-play settings on your iPhone or iPad:

1. Open the Facebook app
2. Tap ≡
3. Scroll down and tap Settings
4. Tap Videos > Autoplay
5. Choose an option

Note: If you don’t see Videos in your iPhone or iPad’s Facebook app settings, try updating the Facebook app.