Hello ...i have just bought i5-4690k with a gibabyte mobo and 8 gb ram ....now i have a problem with my pc ...it has become very slow i have tried every thing like start up config n all then tried to format it still no hope ....and when i try to install windows to hdd is says this disk may fail soon please select other partition for installing windows ...can i know the reason why it came ? And if i replace my hdd will it help?