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How do I turn on prefetch in Windows 7?

James Sullivan

Hold the Windows Key, while pressing “R” to bring up the Run dialog box. Type “Regedit“, then press “Enter“….Give “EnableSuperfetch” one of the following values:

  1. 0 – to disable Superfetch.
  2. 1 – to enable prefetching when program is launched.
  3. 2 – to enable boot prefetching.
  4. 3 – to enable prefectching of everything.
Table of Contents

How do I turn on SuperFetch and prefetch?

Disable Prefetch and SuperFetch

  1. Select the file path “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SessionManager\Memory Management\PrefetchParameters”
  2. Right-click on both EnablePrefetcher and EnableSuperfetch.
  3. Select Modify on each of these to change the value from 1 (or 3) to 0.
  4. Restart.

Is it safe to disable SuperFetch and prefetch?

Contrary to many blog posts, disabling Prefetch and SuperFetch for SSD drives is actually unnecessary. It IS true that Prefetch and SuperFetch won´t provide a huge advantage for starting applications from SSD drives, as they are fast anyway. In this respect one could actually switch off the service.

👉 For more insights, check out this resource.

Should I disable SuperFetch Windows 7?

So by disabling the SuperFetch will defiantly increase the available memory (more free memory as in memory holding no data what so ever), but by doing so, you will get horrible performance. Not only the boot time of your system will be longer, application launch time will be longer as well.

How do I run Superfetch on Windows 7?

Method 2: I would suggest you to start the SuperFetch service in services windows and check if it helps.

👉 Discover more in this in-depth guide.

  1. a) Click on start and type services in the start menu search.
  2. b) Find the Superfetch service, make a double click on the entry and set the start type to Automatic.
  3. c) Click on Apply and Ok.

How do I enable Superfetch in CMD?

Turn on Superfetch with the Windows 10 Command Prompt

  1. Type cmd in the Start menu, click Run as administrator, and choose Yes when prompted.
  2. Enter the command below into the Command Prompt, then press the Enter key. sc config “SysMain” start=auto & sc start “SysMain”
  3. Restart your computer to enable Superfetch.

How do I enable Superfetch?

Turn on Superfetch in Windows 10 with services.msc

  1. Right-click the Windows button in the lower-left corner of your desktop, then click Run. Type services.
  2. Scroll down and double-click Sysmain, then choose Automatic (Delayed Start).
  3. Click OK, then restart your computer. Superfetch will now be enabled in Windows 10.

Is prefetch enabled by default?

The EnablePrefetcher value can set to be one of the following: 0 = Disabled. 1 = Application prefetching enabled. 3 = Application and Boot prefetching enabled (default).

Does disabling SuperFetch increase FPS?

He realized that SuperFetch is the main cause of high disk usage. He turned off the SuperFetch process and Hola gained a huge boost in FPS performance during gameplay. If you are still having an HDD or have an old PC then you should probably disable superfetch to increase FPS in gameplay and PC overall performance.

Does SuperFetch affect gaming?

A number of Windows users have also noted SuperFetch causing spikes of hard drive and CPU usage, especially during gaming sessions. This appears to be mostly limited to those running systems with less than 4GB of RAM.

Does Windows 7 have Superfetch?

SuperFetch was introduced in Windows Vista and has been retained in Windows 7. It manages the use of data cached in RAM to ensure quick access to it when needed, thus reducing the amount of times that data is loaded directly from the hard drive (which has significantly longer access times).

How do I enable SuperFetch in Windows 10?

Open up the Start menu and type regedit in the search bar and press Enter. Navigate to: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\. Session Manager\\Memory Management\\PrefetchParameters. Double click on “Enable SuperFetch”. The values you can choose from are:

Where are prefetch files stored in Windows 10?

By default, prefetch data is stored at “C:\\Windows\\Prefetch“. You Might Also Like. Windows 10: Enable/Disable Sample Submission for…. Enable or Disable CD Burning in Windows 10. Windows 10: Enable/Disable Hibernation. Windows 10: Enable/Disable Bluetooth. Enable or Disable Windows File Protection.

How does SuperFetch work when the computer is idle?

With SuperFetch, background tasks still run when the computer is idle. However, when the background task is finished, SuperFetch repopulates system memory with the data you were working with before the background task ran. Now, when you return to your desk, your programs will continue to run as efficiently as they did before you left.