What Is Windows SuperFetch and How Can You Disable It

Enable or disable the Windows 10, 8, or 7 Superfetch (otherwise known as Prefetch) feature. Superfetch caches data so that it can be immediately available to your application.
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Disable from Services

1. Hold the Windows Key, while pressing “R” to bring up the Run dialog box.
2. Type “services. ...
3. The Services window displays.

1. Is it good to disable Superfetch?
2. Should I disable Superfetch and prefetch?
3. Does disabling Superfetch increase FPS?
4. Should I turn off Sysmain?
5. What if I disable Superfetch?
6. Why is my HDD at 100%?
7. Is disabling Superfetch bad?
8. Is it safe to delete the prefetch files?
9. How do I reduce 100 disk usage?
10. What happens if you disable Sysmain?
11. How do I permanently delete superfetch?
12. Does Windows game mode affect FPS?

Is it good to disable Superfetch?

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.

Should I disable Superfetch and prefetch?

SuperFetch is designed to cache files used often. ... Prefetch loads pieces of program files into RAM. By disabling this feature, you free up your system memory.

Does disabling Superfetch increase FPS?

Once PCs started to equip with SSDs on Windows 7 and onward editions, Windows automatically disable Superfetch to enhance PC performance. If you are still having HDD or have and old PC then you should probably disable superfetch to increase FPS in gameplay and PC overall performance.

Should I turn off Sysmain?

If you aren't experiencing performance issues or other problems, it's a good idea to leave Superfetch (Sysmain) running. ... However, if you are experiencing high hard drive utilization, constant memory issues, or overall poor performance, you can try disabling Superfetch to see if it resolves the problem.

What if I disable Superfetch?

Once superfetch is disabled, it remains disabled and it does not reset upon restart on my PC. I meant "superfetch" functionality. If you launch the same software, it will preload into memory and start faster, but it is kept in memory, it will reset upon restart, unlike prefetch files, which keep record forever.

Why is my HDD at 100%?

If you see a disk usage of 100% your machine's disk usage is maxed out and your system's performance will be degraded. You need to take some corrective action. Many users who have recently upgraded to Windows 10 have complained of their computers running slowly and Task Manager reporting 100% disk usage.

Is disabling Superfetch bad?

If you're using an SSD, Superfetch is perfectly safe to disable.

Is it safe to delete the prefetch files?

The prefetch folder is self-maintaining, and there's no need to delete it or empty its contents. If you empty the folder, Windows and your programs will take longer to open the next time you turn on your computer.

How do I reduce 100 disk usage?

How to Fix: 100% Disk Usage in Windows 10

1. Symptoms of 100% Disk Usage in Windows 10.
2. Method 1: Fix Your StorAHCI.sys Driver.
3. Method 3: Change Settings in Google Chrome.
4. Method 4: Disable Windows Search.
5. Method 5: Disable SuperFetch Service.
6. Method 6: Disable Antivirus Software.
7. Method 7: Uninstall Any Flash Player Update.
8. Method 8: Reset Virtual Memory.

What happens if you disable Sysmain?

Disabling the service will disable more than just superfetch. Prefetch also depends on this service, so if you disable it you will also prevent the prefetch folder and layout. ini file from being populated/updated, which in turn means your defrag tool won't be able to optimize the file layout properly.

How do I permanently delete superfetch?

Disable from Services

1. Hold the Windows Key, while pressing “R” to bring up the Run dialog box.
2. Type “services. msc“, then press “Enter“.
3. The Services window displays. Find “Superfetch” in the list.
4. Right-click “Superfetch“, then select “Properties“.
5. Select the “Stop” button if you wish to stop the service.

Does Windows game mode affect FPS?

But according to several user reports on Reddit (via Guru3D), Game Mode is having a detrimental effect on some titles, causing problems that include lower FPS counts, stuttering screens and freezes. It's been found to affect games such as Call of Duty: Warzone and League of Legends.