How often do you feel frustrated with your computer acting up, being slow, or freezing up? This list does not cover all the reasons, but when it comes to personal computers it should give you a head start on understanding what causes slow performance specifically for Windows-based machines. Here are some common reasons why Windows 10 running slow. Why Is My Computer So Slow All of a Sudden How to speed up Windows 10? Why is Windows 10 so Slow? How to stop Windows 10 from lagging. Full stepsĭelete temp files, free up Windows 10 disk space, erase computer and start over. Reboot your computer, scan for malware or viruses, close background programs, update Windows. Your computer was running for a long time without a reboot, not enough free hard drive space.
