Superfetch is useful in most cases. If you are using a modern computer that is equipped with average specs or better, Superfetch is likely to run smoothly without influencing your user experience. After knowing these issues, you will ask is it possible to disable Superfetch? Is it safe to disable Superfetch?
You can feel free to disable Superfetch without side effects. If your operating system is still running well, you can just leave it on. However, if you are always bothered by high HDD usage, high RAM usage, or some other performance issues, you can consider disabling Superfetch. Open Windows Services. Right-click Superfetch and you will get a pop-out window. Click Stop on the window and then you need to click the Arrow Down button next to Startup and select Disabled.
The first method is very easy. Essentially, Superfetch watches what you do on your computer and how your available RAM is being used.
When it preloads certain programs, it is designed to make use of all of the space your computer has available.
This may sound like the setup to potential problems already. When users have a more limited amount of RAM, there can be a problem with too much RAM being used due to the combination of user activity and Superfetch. These problems can be especially prevalent when there is a game open that tends to use up more RAM than other programs.
What can happen is the game continues to request more or less RAM, and Superfetch responds accordingly. Due to all the changes, it creates a lot of work for Superfetch and therefore more problems while running the game. By changing up the registry key , you can disable Superfetch. You can do this by simply searching for regedit in your Windows search bar. Generally, this search bar opens up when you hit the Windows button on your keyboard. Superfetch has also been known to cause performance issues while gaming , particularly on systems with 4GB of RAM or less.
It's unclear why this happens because it doesn't occur for everybody, but we suspect it has to do with RAM-heavy games that constantly request and free up memory, which may cause Superfetch to load and unload data constantly. Is it safe to disable Superfetch? There is no risk of side effects if you decide to turn it off.
We recommend that if your system is running well, leave it on. If it does, keep it off. Otherwise, turn it back on. Note: To boost performance on a RAM-sparse system, we recommend tweaking the Windows virtual memory limit and tweaking Windows visual effects.
You can also try these tips for faster startup and shutdown. To reiterate, we don't recommend disabling Superfetch except as a troubleshooting measure for the potential issues mentioned above. Most users should keep Superfetch enabled because it does help with overall performance. If you aren't sure, try turning it off. If you don't notice any improvements, turn it back on. Again, Superfetch is referred to as SysMain in Windows So that's what users should be looking for when disabling it. The Services app is the preferred method for this, but if it doesn't work for some reason, you can always edit the registry key directly.
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