Windows 10 (and Windows 8.1) does a great job of speeding up file,
folder and applications. This is done using superfetch and prefetch. The
operating system fetching the data from the hard disk in advance and
thus speeds up the computer. However, where disks are SSD (Solid State)
all this extra disk reading and writing can reduce the life span of your
drive. Also in certain cases where the prefetch is actually slowing down
the computer we might want to disable it. This video show how to do this
in just a few minutes.
For more visit:
Transcript (machine generated so it contains errors)
Hello today would have a look at how to disable superfetch and prefetch
in Windows 10 and 8.1 okay. Basically, this is a service that shall we
say, loads of files in advance of us actually accessing them. So
basically, lower program in a few seconds history and our behaviour
patterns windows stores the data for that program, et cetera in advance.
Okay, however it does increase the read times and read access right
access stewardess for example, if you have a solid state desk again
extra reads and writes to it actually wears down the lifespan of in
certain cases, can actually slow your computer down. However, it is
quite an efficient system and it does actually work instruments we need
to disable it how we do it winding services we get there basically quite
simple in Windows 10 of displayed in services.MSc okay. It comes in with
the servers area sometimes before their messy automatically shows up
like their okay and there we go, given permission brings up a window
that we had before and we scroll down and we find our super fetch okay.
What we would want to do is basically disable it Kate stopped running.
Currently okay. Once that’s done, we also need to go into the registry
and solo now so we tied the regedit will sign Iran’s and now we need to
go to books and clothes that one down. HG that’s each key local machine
system, then it is control certain is control session manager’s but
bigger and session manager and their and its memory management okay
appreciates parameters okay enable all suicides and enabled tree fetch
okay three basically giving enabled option. Okay, one is doing it zero
is able one 3 factor applications only to enable 3/4 boot files only and
three prefetch boot and application files. In this case we want to
disable so it’s 0K type as a hacksaw does not sterilise the same for
both of them. Okay, go to 0 again. Okay, and then that’s done, and
basically the next time you restart your computer. You will not have
your research or super fetch running and this is actually going to show
initially when you boot up you might see actually tacking a little bit
longer. Okay has, constantly when at that stage. However, it’s only
gonna be accessing files and folders and all data and I need to know.
Kind of basis okay. Thanks for watching
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This fixed the Stuttering for me in Sea of Thieves, and should for all future games as Windows isn't fighting for my free Ram.
Your SSD doesn't wear down like it did before they have done fixed that forever ago. You don't have to worry about read/write issues on ssd's anymore. That was then the technology first came out. You can pretty much read/write forever and it won't slow down now. And if it ever does wtf its gonna only cost you what a couple hundred bucks to buy a new one? Keep one on hand just in case also. Big deal? If you can't afford that then you got issues lmao.
this will works with windows 8.1
thanks for saving my pc
Prefetch is already set to 0?!
i disabled it and now i cant find it
I don't have Superfetch in the services!
ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory ManagementPrefetchParameters
Just to speed things up if you saw this
I don't see Superfetch in registry, great video thanks.
SuperFetch has been renamed to "SysMain" in Windows 10.
Saved me 600MB of ram disabling superfetch and thats a lot for trying to run Warframe orb vallis wihout stutter or crashing with 4GB ram.
I did this and My laptop instantly became faster it would always use about 97%-100% of memory but now its around 5%-10% when idle. This saved me.
It wont let me change anything on superfetch
1000 th like ^^
What if my SSD in an external one?
At my Pc at servics there isnt superfetch… tell me why
Okay, so i'm at PrefetchParameters and Superfetch is not there. It's as if it doesn't exist. I only have an M.2 NVMe though.
Thank you it's work for me
Thank you. Thank you. It 's all arabic
In Windows 1809 there is no superfetch service. It has been kindly noticed by @DigDeep that there is a revert to the Win 7 SysMain service name. That was part of ready boost for USB sticks and virtual RAM…. whilst that was part of a suite of services performing a virtual RAM function… the startup comand is almost the same.
However the registry entry for the 2 are different – especially the RequiredPrivledges key!
Services bounce on svchost, but the registry and linked .dll files may be different.
The sysmain.dll file in Win 10 1609 is 922KB and in 1809 it is 1040 KB… so the file is different and may provide different functions.
Further updates and contributions from viewers are VERY welcome!!!
im having shutdown issues since then.
Can't even open '' Services '' nothing happens.
so i just clicked to stop the process. is that okay?
Windows 10 sucks, Poor Optimization 👎
Hi superfetch is not in the list of serivices
DO NOT DISABLE PREFETCH IF YOU STILL NEED TO USE TASK SCHEDULER! DISABLING PREFETCH WILL MAKE YOU UNABLE TO USE TASK SCHEDULER
I have an ssd, But my OS isnt on it so i just disable it because in the task manager it used an extra 14% cpu so its annoying when i already have a shitty processor
What if I don't have SuperFetch or prefetch in my services?
Thanks, that superfetch made my 6 core i5 8400 go to 100% and they say “it helps boost performance”
Great! Very Helpful. Thank you
This information on Windows technical settings is brilliant.
I don’t have ittt
Does this speed up my applications?
Thanks its help a lot
I disabled it and now my pc won’t come back on it’s on but no screen
windows is too complicated with too many steps to get somewhere.
i almost left without giving you a thumbs up. thanx dude.
what if i have ssd and hdd? :O
TIP: If you are using SSD, You need to disable Superfetch 🙂
Wonder why my SSD died so fast
If I have HDD is this going to work??
I disabled it and my monitor is still adapting brightness someone help!!!!!
I don´t have superdetch in this folder… I only have got prefetch.
I've experimented with this, on a laptop with Windows 10 64-bit, 8GB of ram and an HDD. If superfetch and prefetch are on and value set in regedit on 3 (Enables for Boot and Application files), its disk usage hits 99%-100% for a long time and it messes with performance. I've disabled Superfetch completely and my boot went slower. So what I did is, I changed the values of EnableSuperfetch and EnablePrefetch to a 2, this means it will only be enabled with boot and not with applications. Now my laptop is running great. If you have an SSD, disable Superfetch completely, no need for it.
Thank you very much