Hi @nvakleko,
I do not have data on the video card fitting. Looking at the motherboard there maybe a issue with the memory slot connection.
Please keep me informed of how things went.
If you require further assistance, let me know and I will gladly do all I can to help you.
Please let me know if this resolves the issue by marking this post as "Accept as Solution".
To simply say thanks, click the Thumbs up below! 
Thanks.