First things first, don’t panic. Slow-moving desktops and lethargic laptops are more normal than you think — unless you started working on a new computer at some point in the past few months, chances are you’re actually using one right now. But that sluggishness is simply due to your normal activity, as well: running programs, surfing the Internet, and slowly filling up your hard drive.

Below, we’ve collected five of the most common reasons why your computer might be dragging, followed by five ways you can fix those problems and make your desktop or laptop keep pace with your work ethic.