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The manual On/Off button for the LG UN7000 55" Class HDR 4K UHD Smart IPS LED TV, Model # 55UN7000PUB is in the middle on the underside of the panel where the LG logo is. The inputs/outputs that are described as being on the back of the TV are in the middle of the TV and those described as being on the side are on the left hand side in a recessed area on the back of the TV as you face the TV from the front. Click on the sixth thumbnail image from the left for the TV under its main image on its product information page on the Best Buy site and enlarge the image to see the back of the TV showing the inputs & outputs...^IFV
as you are facing the tv screen the inputs are on your left on the back (see pics) but then stupid thing they did was put the plug in power cord on the opposite right side which I didn't like because we feed all our wires to the left and we had to use an extension cord. It all should be on the same side or put the power cord starting from the middle. and yes the on/off center bottom under LG symbol but we always use the remote