Your laptop doesn't have a video INPUT. The HDMI port is output only. There is no practical way to do what you ask. You could get a USB tuner to watch over-the-air TV, but cable box output not going to work.
Your laptop doesn't have a video INPUT. The HDMI port is output only. There is no practical way to do what you ask. You could get a USB tuner to watch over-the-air TV, but cable box output not going to work.
Your laptop doesn't have a video INPUT. The HDMI port is output only. There is no practical way to do what you ask. You could get a USB tuner to watch over-the-air TV, but cable box output not going to work.