If you ever feel slowness on your system, then you can use this guide to fix this issue. Background Windows Services and features.And this issue may occur due to the following instances. This issue mostly occurs when HDD is occupied with over tasks or services running in the background. When Disk usage reaches its maximum capacity, then you will get 100% disk usage on Task Manager.
Generally, Hard Disks have specific read and write speeds, the normal hard disk has 80-150MBps, even the best high-end hard disks have 200MBps disk write speed.
