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 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?