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On 28/12/17 21:37, Richard Brown wrote: > Hi > > I am using Fedora 27 and I had no problems playing videos through vlc > and videos. However, now I hear sound but cannot see any picture. I > thought I had installed all the relevant codecs. Is there anyway of > checking please? Ok, let's play the detective game again :) 1: "I am using Fedora 27 and I had no problems playing videos" 2: ??? 3: "However, now I hear sound but cannot see any picture" You've kind of left out the most important part... what happened at step 2? Surely not mid-video so after a reboot? After installing something? Changing a plug? It was just like that one day when you turned it on? Graphics driver upgrade? *Something* changed and we need to figure out what it is. Which codecs *have* you installed? Is there a specific file type (mkv/avi/mp4/etc) that does this or is it all of them? Do you still have working video via youtube or whatever in a browser? Does DVD playback work if you even have one of them? Probably the best place to get started is to play back a video as usual but launch it from the terminal so you can see what's going on properly. So: vlc /path/to/some/video will start up vlc as usual but you can watch what it's doing. Look for errors and report back I guess. Also, try with mpv instead after installing it: sudo dnf install mpv dnf /path/to/some/video You could also definitely check your usual logs for issues (it's Fedora so journalctl to the rescue). Are you running on Wayland rather than Xorg as well by any chance? That's definitely going to cause issues and it's the default on Fedora now. Cheers -- The Mailing List for the Devon & Cornwall LUG https://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq