DeckLink MiniMonitor Ubuntu 16.04LTS/17.10 installation

I recently bought a DeckLink Mini Monitor 4K card to use in my MacPro mid2010.
My operating system is: Ubuntu 16.04 LTS with Kernel 4.4.0-77-generic

I downloaded the drivers from Blackmagicdesign support page: Blackmagic_Desktop_Video_Linux_10.9.tar

After installation and rebooting, the card is not showing up in the system.

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dkms status -m desktopvideo -k `uname -r`
lsmod | grep blackmagic

I have an old hd with osx. when booting with it, card shows up and works, so it must be a software issue. I guess its something to do with the Kernel. Also created my own .deb files as described in the ReadMe.txt
still no luck.

Can please someone help me!

To answer the questions by myself (to help others having the same issue):

I figured out that the main trouble was caused by a Nvidia driver installed from this repository

ppa:graphics-drivers/ppa

DO NOT USE THIS DRIVERS! use Generic Nvidia drivers.

Also make sure that you install the Blackagic drivers from the user you will actually run.

DeckLink Mini Monitor 4K on Ubuntu 17.10
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After a fresh installation of Ubuntu 17.10 with Kernel 4.13.0-16-generic
DaVinci and Decklink software does not recognize the Decklink Mini Monitor card.

Open a terminal and type:

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sudo dkms status

If you see there something like:

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blackmagic, 10.9.7a2: added
blackmagic-io, 10.9.7a2: added

The system has the Decklink card, but its not compiled into the kernel.

To solve this build the module:

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sudo dkms build blackmagic/10.9.7a2
sudo dkms build blackmagic-io/10.9.7a2

Then install it:

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sudo dkms install blackmagic/10.9.7a2
sudo dkms install blackmagic-io/10.9.7a2

Finally check if it is installed:

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sudo dkms status

and you should see something like that:

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blackmagic, 10.9.7a2, 4.13.0-16-generic, x86_64: installed
blackmagic-io, 10.9.7a2, 4.13.0-16-generic, x86_64: installed

Hope this helps someone since this thread looks like only contributed by me