How does HDD Scan and Repair 3.0 work? 1. A breakthrough of this program is that, without depending on BIOS, it can control read and write to the HDD directly, with high-speed, veracity, friendly interface and simple management; there will be an intuitionistic and intact report for the physical defective sectors created after the scanning. The continual defective sectors can be easily skipped; therefore the defective HDD will not get stuck.?. 2. There is a "Restorer" in this program which can restore the usual physical defective sectors by adding them into the G-list. 3. So, after you have this powerful freeware installed, all you have to do is to insert the bootable disk and have your target HDD connected correctly to you IDE slot. In minutes, you could start fixing the defective HDD using this powerful utility by pressing several keys.