12.04 update breaks video

Liam Proven lproven at gmail.com
Fri May 1 12:02:40 UTC 2015

On 1 May 2015 at 07:29, rikona <rikona at sonic.net> wrote:
> ust updated 12.04 and video is broken. Neither VLC, Movie Player, or
> Dragon player will show the video part of MP4, avi, or wmv files.
> Dozens of MP4s that used to play just fine are all broken. Trying to
> play these in Ffox gives "file is corrupted". A 14.04 box, recently
> updated, plays MP4s just fine. The audio part seems to be fine - just
> a black screen instead of video. . How can I find out what happened
> and fix it?
> All suggestions much appreciated,

What graphics card? What driver for it?

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