If a transversal intersects two parallel lines, the pairs of corresponding angles are congruent. Converse also true: If a transversal intersects two lines and the corresponding angles are congruent, then the lines are parallel.
Windows 10 and 8. 1  1. Download a third-party video player. 2  2. Install the media player. 3  3. Insert the DVD that you want to watch.  4. Open the media player if you are not prompted to launch 1  it. 5. Load the disc.  6. Use the media player that came with your drive if your disc won't play.
Don't know if it is the hardware problem or which dvd player software you are currently using, I'm also an Windows user and I just find that playing DVDs is just the basic function of 5KPlayer which, is a potential new media player that also works as a free dvd player software perfectly on my Windows 8.1 so far.