signal detection cable connection issues

A few days ago, my 32 inch Toshiba TV started periodically losing the video signal from my Acer PC Laptop, which is connected via HDMI from both ends. What has been consistent is each time I lift the lid on my PC Laptop, my TV starts receiving the HDMI signal again. When my TV stopped picking...

It seems that I have run into one of those oddball, not readily explicable playback issues that are known to periodically develop. This has effectively shut down the playing of the second Blu-ray disc of THE TEN COMMANDMENTS (1956), that my wife and I enjoyed the first disc of (After some...