Mac Pro showing black and white lines when booting up

Hello Apple community,
My Mac Pro crashed yesterday after it was reading an empty DVD, and now if boot the Mac it shows this screen:
I have tryed rebooting it in safe mode, does not work, I get the same screen.
Tryed to use a other monitor, same problem.
Now, If I press the Eject button, the disc tray will eject and if I press the volume button it can be heard.
Need some help
Thank you in advance.

Nevermind I found out that my videocard is broken.

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Mac Pro showing black and white lines when booting up

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