Model guide · TV
LG 42" C5 4K OLED evo TV (2025)
Choose the speaker for LG 42" C5 4K OLED evo TV (2025) and check the audio output. If you need a factory reset, start here. Open Settings, then All Settings.
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https://fixmytvsound.com/en/guides/lg-oled42c54la-aeu/Model listed in Sweden · Model reference ↗
View product codes
Model code OLED42C54LA.AEU
Item number 912303
These steps apply to the original webOS 25 menu. A software update may change the menu.
TV sound over HDMI
HDMI 2 (eARC)
Look for number 2 next to the HDMI sockets on your TV. This input returns TV audio to a compatible soundbar or receiver.
LG Sverige · OLED42C54LA.AEUFactory reset · OLED42C54LA.AEU
Check the model code and note your settings before clearing them.
- Open Settings, then All Settings.
- Select General and then System.
- Choose Reset to Initial Settings.
- Read the options on the TV and what your selection will reset. Confirm only if you want to carry out that choice. Wait for the TV to restart and show initial setup.
- Finish setup, select your usual audio source and test the same programme again.
LG’s webOS 25 reset instructions (English) ↗
Manufacturer support instructions · LG
Source market Sweden · Checked 4 November 2026
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TV and speaker problems
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