Independent UK technology advice — clear, honest and jargon-free.
Your deviceLG B4 OLED
Step 1 of 425%
What to do now

Check the cable

Make sure the device is connected with an HDMI cable, ideally to a port marked ARC or eARC for a soundbar.

Manufacturer UI recreationLG B4 OLED · LG webOS
LG B4 OLEDLG webOS · 14:32

Back of the TV

HDMI 1
HDMI 2 (ARC)
A recreated LG webOS screen for LG B4 OLED, matched to the menu path documented by LG Support. It is not a screenshot. The highlighted control is added by UKTechExpert, and a software update may move it slightly.