VLC Media Player won't play DVDs

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http://forums.anandtech.com – Hello, VLC 2.1.1 (64-bit) on Windows 7, 64 bit. It just won't play any dvds. The Windows Media Player plays them fine. But VLC has better and louder sound. I have googled this issue but to no avail. Have removed and reinstalled VLC as well. No difference. Any suggestions? Thanks in advance. (Hardware)