The hard disk protection caused by damage to the System Service of Win7 hard disk is rarely noticed. If you ask what kind of service will damage the hard disk, I believe most people do not know. What are the serious consequences of Hard Disk damage? I will explain it to you here. What is the impact of Hard Disk damage on our computer? Hard Disk damage is often caused by bad channels on the hard disk. Bad channels cannot store files and affect the speed of storing files, the accumulation of days will lead to a hard disk change, and you have to buy a new hard disk. Or you will find that the hard disk copy speed becomes very slow. Therefore, it is necessary to disable services that will damage the hard disk. Which services will not cause damage to the hard disk. There are three processes that may cause damage to the hard disk: DiskDefragmenter, WindowsDefender, and WindowsSearch. Which service is managed by the three processes. DiskDefragmenter. WindowsDefender: The process of defense. Generally, the firewall can also disable this function. WindowsSearch: Provides the index service, and this process is useless. The process is stopped by xiaobian, which has no effect on the file search speed. To disable the service process, click "start-Run" to delete the process in the service and enter "Services. msc" to go to the service process and find and disable the process.