You dismiss the graphics because the game ran ok but still suspect motherboard so going by that theory nothing will work if motherboard failing.
Try taking out the graphics card and memory and put back in making sure they are seated properly.
This thread is now locked and can not be replied to.
LG G6 review: Hands-on with LG’s bold, big-screen shot at perfection
1995-2015: How technology has changed the world in 20 years
How the painting-like animated sequences in A Monster Calls were created by Glassworks Barcelona
The 22 best Safari extensions | Best Safari plugins: Improve Apple's Safari web browser with these…
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.