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I installed lubuntu 18.04.4LTS 64x alternate recently, fresh install, no partitions, etc. installed the lubuntu restricted extras, and vlc.

mkv files on vlc don't play properly, they basically don't play. No warning signs or error messages, they just stay black, or if I jump forward, display frozen images... sound works though.

I tried every single solution I found on the internet, including reinstalling the operating system twice, to make sure I would start fresh and that my actions where not preventing me from further success...

I downloaded extra packages, codecs, allowed and disabled hardware acceleration.

The fun thing is that, when reinstalling mpv by sudo apt-get install mpv mkv files play way better on it than on vlc, but still play slightly slow, not quite right...

If I go to system profiler and benchmark, I can read

Intel Celeron n2815 1.86GHz

Also, Graphics: 1366x768 (unknown) theX.org foundation

Running sudo lshw -C video I get the following, that I don't know how to interpret:

*-display                 
       description: VGA compatible controller
       product: Atom Processor Z36xxx/Z37xxx Series Graphics & Display
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 0c
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:92 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:f080(size=8) memory:c0000-dffff

Any help would be greatly appreciated, figuring out what is failing, if my codecs and drivers are right...

T.J.L.
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pol1
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1 Answers1

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The problem is not with VLC or Lubuntu. It lies with your integrated graphics. These atom processor have Integrated graphics which are infamous for lack of driver support. The GMA (SGX) based integrated graphics in these CPU have no driver support at all on ubuntu 12.10 and above.

Your best bet is to downgrade to 12.04.1 or install windows if you want decent playback.

Alternatively, go to vlc -> preferences -> video and set output to X11 or xvideo. See if that makes it work.

GunJack
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