Mercury Pi845Ex-L ???

Hey We Just Tryed Out These New Motherboards At My Work Today And They Are Dodgeeeee Its A Mercury Pi845Ex-L But They Dun All Kinds Of Weird Things Like The Keyboard Mouse Dont Work After Installing Windows Then The Drivers It Crashed With A Error FDC Failure And Then After That Other System We Built Turned On Off On Off And Just Kept Turning Its Self Off When We Turned It On @ Different Intervals

Just Wondering If Anyone Knows Of A Common Fault In This Particular Model As It Is New On The Market Thankyou JuST!c3