I have a 80GB IDE hard drive and few months back I bought a new 320GB SATA Hard drive.For almost two months everything worked perfectly but now suddenly I'm having problems in my SATA drive. When I try to copy or play something from the SATA drive after about 20 seconds the PC freezes and then comes back to the normal state. But all the SATA partitions are missing. Even when I go to the device manager and search it doesn't detect my drive.
So I took the drive for warranty but when they checked it worked perfectly and said that the drive is not defective. But when I fix it to my PC I'm still having that problem.
Can someone please tell me what is wrong and how to fix it?