In the last month my computer started getting really slow from time to time. It's slow for a few minutes and then gets back to normal speed. Even opening a folder is slow sometimes. So, because i has on exams this last month i didn't do anything to windows because i have ubuntu too, and it was working great, so i started working there. Well, from time to time, ubuntu said something about a /tmp folder that was missing, but he would always correct it. So today i was going to format windows, but then i read an article about bad sectors on hardrives and i went to CrystalDiskInfo program, ran it, and it gave me an alert about (C5) Current Pending Sector. Because of that i went to WD page and download Data Lifeguard Diagnostic for Windows, i ran the extended test on my drive but after a while gave and error saying "Too many bad sectors". Do i have to buy a new hardrive or can i fix it somehow?
Sorry for any mistakes, English is not my native language.