I put the headphone in the headphone socket on the monitor and it won't work. I have tried turning the 2.1 speakers of so I can get the sound coming out of the speakers on the monitor but none on the headphones or monitor,
usually the monitor will have a separate cable to connect to the computer. This may mean you need however to buy a stereo splitter so one goes to the speakers and the other to the headphones. They are about £2 in maplins and I have seen them in pound shops.
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