Re: Using a Tecknia LCD TV 19-228 as a monitor no sound
I assume it's the Technika TV as sold by Tesco?
If so, the specs don't mention anything about audio in - although there is mention of it not having front AV connections.
Whether this means that it does have connections but they're not at the front or it that it doesn't have any AV connections at all - I don't know as I don't have this particular model.
If it does have AV input, then there will be three RCA sockets - yellow (video), red & white (audio). I'm pretty sure the audio will require analogue input though. If your mate's laptop has a headPhone output then you should be able to use a 3.5mm jack to RCA lead.
If your mates laptop has HDMI, then you should use that instead.