The Data Lifeguard Online Diagnostics service is a free web-based diagnostic utility capable of testing any manufacturer's EIDE hard drive. The purpose of the Data Lifeguard Online Diagnostics service is to provide the user with an easy method to physically test the health of the hard drives installed in his system without the need to create a bootable diskette or to reboot the system. The Downloadable Data Lifeguard Tools was written specifically for Western Digital EIDE hard drives. Its purpose is to examine the drive and test its functionality. It scans the drive and looks for errors. It even has the ability to correct certain types of errors that it may encounter. Embedded error detection and repair features that automatically detect, isolate and repair problem areas that may develop over the extended use of the hard drive. S.M.A.R.T. monitors hard drive operation to predict errors before data loss occurs. Protective head parking is an exclusive new feature that adds another layer of protection to auto park by safely parking the heads even if other system components lose functionality. Environmental protection filters offer added protection to the inside of the hard drive from humidity, temperature and contamination. If you encounter problems and suspect the drive is faulty, we request you run our diagnostic utility first before returning it. All too often, drives are returned which are working properly. By using Data Lifeguard, you can confirm the condition of the drive. Using our Data Lifeguard software appropriately can save you valuable time, money, and the trouble of returning a drive.