First thing,i doubt very much your motherboard is the problem.
I would say its a software problem.
Run Superantispyware in safemode (updated first) click here
Have a look in your startup programs in MSCONFIG and reduce these if possible.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?