Win7 The system disk has a bad way before the abnormal situation will occur

Situation 1, start the computer when the hard drive can not boot, with a floppy disk or CD-ROM boot can see the hard drive letter, and could not operate or operation of the area is incorrect or directly see the letter, the hard drive may appear bad.

Situation 2, when the screen appears "Hard Disk drive Failure" Hard Drive controller failure "prompts or similar information during the machine self-test process, you can determine the hard drive or hard disk controller hardware failure. When reading and writing the hard drive prompts "sector not found" or "general error in Reading drive C" and other similar error messages, but also the hard disk track physical damage performance.

Situation 3, when the Ghost Win7 system users each boot, ScanDisk disk program automatically run, then the hard drive must be fixed on the important error. If the user runs the program, can not pass smoothly, but also because the hard drive has bad road problems, of course, the scan can also be passed, but the red "B" mark, meaning that there are also bad way.

Scenario 4, if a user opens a file that runs or copies a deep Win7 system, the hard drive is slow to operate and may be unsuccessful for long periods of time, or it can be a long time to die "gnawing" at a certain area, or at the same time the hard drive reads a different sound, or Windows system prompts " When the file cannot be read or written, these exceptions are caused by a bad path on some part of the hard drive.