If my memory was up at 85%, my computer might begin to lag because then it has to start using the disk, but several programs are already using it, and the disk head can only move around so fast.ĭisk 'usage' is a funny thing. I'm not listening to music or have anyĪctual files open, and it doesn't take much memory for me to type my reply. Now in this case, my computer is still pretty snappy because I'm just typing in a browser, and that doesn't require using the disk.
I ran a virus scan and told PowerShell to move a bunch of files at the same time. Click the Disk heading and see which programs are using the disk. To see and answer both of these, just press Ctrl+Shift+Escape, and look on the Processes tab. Program using it, even a small amount, makes the computer performance slower, and you'll see this much worse if some of that disk activity is because of 'paging', or putting things from memory to disk because there's not enough memory at the moment. Is the antivirus program responsible for all of the usage, or is it spread out among several programs causing the disk activity by competing against each other? Since the hard drive has a moving arm that literally has to move back and forth, more than one
