Enable or Disable SysMain (Superfetch) & Prefetch for SSD in Windows
In this article, nosotros will see how Windows xi/x/eight/vii treats Prefetch and SysMain on Solid-Land Drives. Yesterday nosotros saw how Windows treats Defragmentation on Solid-State Drives. Before we start, permit me make it articulate that it t is not a good idea to disable SysMain (Earlier called SuperFetch) or Prefetch as it may dethrone system performance. Leaving these services to their default settings is all-time.
SysMain (Superfetch), Prefetch & SSD in Windows 11/x
Every fourth dimension you run an application in your PC, a Prefetch file that contains information near the files loaded by the application is created by the Windows operating system. The information in the Prefetch file is used for optimizing the loading time of the application the next fourth dimension that you run it. SysMain attempts to predict which applications you lot volition launch adjacent and preloads all of the necessary data into memory. Its prediction algorithm is superior and can predict which next 3 applications y'all will launch by what time in a day.
In curt, SysMain and Prefetch are Windows Storage Management technologies that provide fast admission to data on traditional hard drives. On Solid Land Drives, they result in unnecessary write operations.
How to Disable SysMain in Windows 11/10
The SysMain service is the one that is related to Superfetch. Its job is to maintain and improve system functioning over time. It is institute in the System32 folder. The Services is the aforementioned, just the Display proper noun for it has been inverse in Windows x from Superfetch to SysMain. Should one for some reason need to manually disable them, this is how i can disable SysMain.
To disable SysMain in Windows xi/x, follow these steps:
- Press Win+R to open the Run prompt.
- Type msc and press the Enter button.
- Double-click on the SysMainservice.
- Select Disabled from the Startup blazon drop-down list.
- Click the OKbutton.
Run services.msc to open up the Services Managing director. Scroll down to SysMain (Superfetch) service, which is responsible for maintaining and improving the system performance over time.
Double-click on it to open its Properties box. Click on Stop to terminate the procedure. Make the startup type Disabled and click on Apply.
Y'all volition have to restart your computer for the organisation changes to take effect.
How to Disable Prefetch in Windows 11/x
To disable Prefetch in Windows eleven/10, follow these steps:
- Printing Win+R to open up the Run prompt.
- Blazon regedit > press the Enterpush.
- Click the Aye
- Go to PrefetchParameters in HKLM.
- Double-click on the EnablePrefetcher REG_DWORD value.
- Set the Value information every bit 0.
- Click the OKbutton.
To disable Prefetch in Windows, Run regedit to open up the Registry Editor. Navigate to the following registry key:
HKLM\SYSTEM\CurrentControlSet\Command\Session Manager\Memory Management\PrefetchParameters
Double-click on EnablePrefetcher on the right side to open up its DWORD value box.
The possible values for EnablePrefetcher are:
- 0 – Disable Prefetcher
- ane – Application launch Prefetching enabled
- 2 – Boot Prefetching enabled
- iii – Application launch and Boot Prefetching enabled
The default value is 3. To disable Prefetch, gear up it to 0. Click OK and Get out.
Incidentally, you tin can also disable or tweak the Suoerfetcher here – you volition run into the EnableSuperfetcher DWORD simply beneath it.
The possible values for EnableSuperfetch are:
- 0 – Disable SysMain
- ane – Enable SysMain for boot files but
- 2 – Enable SysMain for applications only
- iii – Enable SysMain for both boot files and applications
If yous are a Solid State Drive user, you may want to cheque out freeware SSD Life that can bank check the wellness of your Solid State Drive and SSD Tweaker which will help y'all tweak your Solid State Drives.
Does disabling Superfetch increase functioning?
Although it doesn't consume much storage, a malfunction can cause Superfetch or SysMain service high CPU usage. In such a situation, yous could disable this service to increase the performance. However, in other cases, y'all might not find any improvement in performance subsequently disabling this service.
Is it okay to disable Superfetch?
Yes and no. Yes, when y'all are getting bug due to this service. No, when you need this functionality. Information technology is an in-built service of the Windows operating system, and it is required to make your PC smoother. That is why it is non recommended to disable Superfetch until it causes any issue.
Hope it worked!
Source: https://www.thewindowsclub.com/disable-superfetch-prefetch-ssd
Posted by: underwoodthints.blogspot.com
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