How to Repair a Dead SATA Hard Drive
A SATA hard drive is drive that uses the SATA interface standard when sending information to and from the system memory on the computer. Repairing a dead SATA drive might seem impossible, but you owe it to yourself to at least attempt a drive repair before giving up and purchasing a new hard drive. Accomplish this with the disk repair tools in your computer's operating system.
Click the "Start" menu.
Type "cmd" in the "Search" box and press "Enter."
Type "chkdsk x: /r", substituting "x" for the letter of the supposedly dead SATA drive.
Press "Enter" to run the drive diagnostic and repair utility. The computer will attempt to repair and fix the dead areas on your SATA drive.