烦烦烦!!!

Why? Why?? Why??? Why Am I That Unlucky Person??? 30% Is My Laptop Give Me Problem And 70% Is My Hard Disk Give Me The Most Problem.. Why 70% Lei? It Is Because When I Open My File From My Hard Disk, It Will Very Lag And Not Responding Always, Then Everytime I Need To Plug In, Plug Out Again And Again And Again Zzz.. I Donno What To Do? Should I Go To Challenger For Service? But I Scared My Hard Disk Data Will Be Totally Lost When I Go For Service Haiz Sad Sad.. =(