Connected Laptop to TV using HDMI cable, however, sound still coming from laptop speakers

If you connect your TV with your laptop and the sound is still coming from the laptop speakers, follow these steps:

1) Go to Control Panel > Hardware and Sound > Manage audio devices (under Sound)

2) You will find your TV speakers listed there and select them as default playback device.

That's it. Now whenever you will connect your laptop with your TV, the TV speakers will be the default playback.