However, most users are unlikely to encounter these 'severe' scenarios. Similarly, if something catastrophic happens to the OS and it gets corrupted, data would most likely be lost.

Generally this has been achieved, but if a file is being written to the hard drive and a power failure occurs, data could be lost even though a lot of technology has been deployed to prevent this. The idea behind this APi is that a file should be movable even if the file is in use, and the file system will not lose data should something go wrong.

Windows versions starting with WinNT include a 'file move' API that most defrag programs use. So before you defrag your drive (which can take several hours) make sure that you have fixed other problems as well. Registry issues, bloatware, malware and just plain too much data can reduce a perfectly good PC to a dead crawl. We defrag a drive to make it more efficient.īut inefficient hard drives are not the only cause of a PC slowing down. If you are defragmenting your computer for any other reason, then you've missed the point. Still, it's best to take precautions and understand why you are defragging your PC. It could kill your PC altogether, although this is unusual. Many people think that a hard drive defrag will make their PC run faster.

Defrag memory windows 10