Why Is My PC Using Over 50% Memory When Nothing Is Open?

It’s concerning that your total memory usage doesn’t add up to 8GB according to the task manager. If that’s the case, it might be worth investigating further. You can check for any background processes that could be consuming memory or look for potential issues with drivers or services that may not be operating as intended.

Many users have made comparisons between Windows and Linux. Interestingly, some Linux systems will show nearly 100% memory usage at times because they manage RAM differently. Windows often keeps a good chunk available for quick access, which can give the impression that it's using a lot of memory when it's mostly optimized for performance.

Windows is known to use RAM actively even when not all of it is actively needed. Seeing around 50% usage is quite normal, even if it feels off. The operating system will adjust its memory usage on-the-fly, freeing up RAM if a new application needs it. So it might just be that Windows is managing memory in a way that seems high but is actually fine.

It sounds like the issue might not be a virus but just how Windows 11 is designed. It tends to use more RAM for caching and background processes, even when nothing seems to be open. If you're using a standard install, that's pretty normal for Windows. You can try optimizing your system a bit by removing unnecessary bloat—some folks have found customizing their install helps with this, but it can be complicated if you're not familiar with it.

If you’re frustrated with Windows 11's memory management, you might want to consider trying Linux Mint. A lot of users report that it has a much lighter footprint and can run efficiently with much lower RAM usage—often under 20% when idle.