Format & Codec Issues

HEVC, MKV, AV1, VP9, DVD and other formats that refuse to play or decode correctly.

Fix

VLC won’t play HEVC/H.265 video? Here’s why (hint: it’s usually your GPU or a codec check) and how to fix it.

HEVCH.265codec

Fix

MKV files play audio but show no picture in VLC? The problem is usually in the MKV’s tracks or your decoder setup — here’s the fix.

MKVno videocontainer

Fix

DVDs won’t play in VLC? Region code, CSS encryption, libdvdcss and menu bugs — the complete DVD playback guide with tested fixes.

DVDlibdvdcssregiondisc