The TV will turn on with a secret menu andĪll you will have to do is press enter a few times and the TV will doĪ deep Factory Mode Reset just like the TV came out of the box new! Power off the TV and then on your remote control press Mute 182 Power I cannot test it out as I don't have a samsung TV: There is also apparently another way to reset it by holding the Exit button for around 30 seconds. Resetting the TV may fix it if it is a setting problem. > Repeat previous step for each HDMI port. > Unplug the power from TV/LCD for 10 minutes. Disconnect all HDMI sources from the inputs.

Try a different cable if you have/can borrow one.īased on some suggestions in iFixit forum, you could try this. If you can, try it out with other device combinations (a friend's TV and/or laptop etc.) to see if it works. The cable may not be the right one for you. I will try to cover the ones that I can think of: If it is not detected at all by your laptop there may be a few causes. You can choose the TV in single display mode or choose to clone displays. If your TV is detected, then the single display option will most probably be selected, with your laptop display being the one. If it is detected, you will see a page with options to clone displays or extend desktop. In the control panel, choose Display, then Multiple Displays from the sidebar. Open it by right clicking on the Intel HD Graphics icon in your notification drawer (you may have to expand it) and choose Graphics Properties. You can do this by going to the Intel HD Graphics control panel. On your laptop while it is connected to the TV, see if the TV is being detected as a secondary display.

Thunderbolt to hdmi