Performance :: NT Kernel And System High RAM Usage
Jan 25, 2016
Here is my laptop specification:
- HP Pavilion g4
- Intel Core i3 2.2 GHz
- Radeon 6470m (but somehow got 7400 driver and worked) plus Intel HD 3000
- Windows 10 of course
- 2 gigs ram
- And latest drivers, checked with Uniblue's driverscanner and link on other subforum stickies.
It's high memory usage of this process, it starts with ~7mb then grows up to ~200mb on heavy use. This happen with recently windows 10 update.
What I have done is, I do a restart every time I made these changes:
- SFC /scannow
- Update driver (again)
- Turn windows 10 tips off
- Try disable Superfetch
- Malwarebytes scan
- Disabling High Definition Audio driver drops the process usage to normal 28kb, but this somehow rise again to ~100mb.
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Feb 23, 2016
For a while I 'm having problems with locking while I surf the internet after five minutes browsing the facebook the browser begins to catch and is impossible to do anything , I noticed that this occurs when the system and compressed memory reaches 15% use the CPU when closing facebook use immediately falls to less than 1 % and the browser back to normal. I never had it before and started to happen with these recent updates.
before:
after:
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Nov 11, 2015
From the moment I switch ON my desktop until switching OFF (working for 12 hours) the local system service host is always between 30% to 40% regarding CPU usage.Why? How to stop it?
This does not happen in my Microsoft Surface Pro machine. Both machines, desktop and Surface have the same software installed so it's hard to believe this CPU usage is software based.
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Dec 6, 2015
I just recently installed Windows 10 on my Dell Inspiron Laptop and so far I am not impressed at all - in fact, I am very seriously debating one of two actions - re-install Windows 7 or switching to an entirely different OS.
The reason for reverting to Windows 7/switching OS are as follows:
1) Currently with an idle system (i.e. no applications running at all), an svchost process is using anywhere from 40 to 60% of my cpu. When I did a tasklist on this process the following processes are attached to this one pid: Appinfo, BITS, Browser, DsmSVC, IKEEXT, iphlpsvc, LanmanServer, lfsvc, ProfSvc, Schedule, SENS, ShellHWDetction, Themes, UserMananger, Winmgmt, wuauserv. My question is this - is it necessary for these processes to be run. If they are, then am I looking at only being able to use 50% of my processor (since this one pid is using the rest of it)?
2) For a virus scanner - I am using McAffee and under Windows 7, it took my laptop 24 hours to scan 231 GB of data. Since I switched to Windows 10 (Same hardware, same memory, etc) it now takes my virus scanner over 48 hours to scan 231 GB of data.
3) If I had not been poking around and trying to change my update settings, I would never have found out that Microsoft expects their users to update the windows of the other users (Microsoft calls it Dynamic Updates). Now this is all well and good if some one had said something since I would have loved to know about it sooner since I am on a metered service.
4) Some of the programs that comes with Windows 10, I have no use for but yet I can not un-install them (Cortana come to mind).
5) It appears that even though I have turned off "Live tiles" the tile continue to update from the net (again - it would have been nice to know since I am on a metered service).
The only option that I know of is to revert back to Windows 7 or switch to a new OS.
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Feb 10, 2016
I'm getting a constant high disk usage without even having anything running. Here's a screenshot of my problem
And well, so far I've tried the ''deactivate 'windows search' and 'superfetch''' and it hasn't really done the trick.
Also I resetted my pc yesterday, as of now I'm running a clean install of Windows 10.
Did the ''turn off notifications from Windows'' and really nothing, I've also defrag quite some times with Defraggler and DiskDefrag and nothing.
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Dec 23, 2015
Basically I noticed that my PC has a lot of RAM used but no program is using the RAM - see attached screenshots. Obviously it doesnt really affect me until I launch a game: eg GTA 5 which before ran happily at 60 and is now stuck on less than 1 FPS when I get into the game (even after spending like 20 minutes in lag hell to try to reduce all the settings to the lowest).
However Rainbow Six Siege runs at 120 FPS with no issues, so GTA may be an isolated incident.
(Also important to note I only have 8Gb of RAM, even though it says */16.0GB for the committed memory)
Specs are:
Computer type:
PC/DesktopOS:Windows 10CPU:Intel Core i5 3570k Motherboard:ASUSTek P8H61-M LE/USB3 Memory:8Gb(2x Corsair 4Gb 1600mhz Vengeance) DDR3 CMZ8GX3M2A1600C9 Graphics Card(s):NVIDIA GeForce GTX970 Sound Card:Onboard 7.1 Audio (Realtek)Hard Drives:1Tb ST1000DM003-9YN162 ATA Device
1Tb Hitachi HDE721010SLA330 ATA DevicePSU:XFX PRO850WCase:Zalman Z11Cooling:Corsair H60 Water Cooler
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Apr 14, 2016
I have recently noticed a bit of a performance issue on my HP laptop running Windows 10 Home.
What happens is, if I am not doing anything on the laptop, but am not putting it to sleep (i.e. idling), it stays at a low CPU usage. However, after a while (usually about a minute?), the CPU usage rockets up, and also affects my CPU temperatures (goes up from ~35'C to ~50'C).
The processes that are the culprit, as defined by the detailed tab of Task manager, are either "svchost.exe" or "System" - the latter is described as "NT Kernel and System" and is linked to ntoskrnl.exe.
The laptop came preinstalled with Windows 10 and doesn't have many programs installed.
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Sep 26, 2015
So up until this morning my Windows 10 desktop has been performing really well. When the machine is idle the CPU use is only in the 1-3% range.
For some reason my idle CPU use is now CONSTANTLY 30-40% (even after a reboot)! Task manager says its "Service Host: Local System (15)". If I expand this process in task manager it lists:
Why is this happening all of a sudden? I have all Windows Updates installed and I run an i7-3770 CPU.
My machine is now slow/sluggish with 30-40% being hogged by these services!
I don't have any Malware installed as I run Malwarebytes Premium and the scan comes back clean. Some goes for a full anti virus scan.
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Feb 10, 2016
After installing Windows 10, I have consistently been getting high memory and cpu usage by both the System and Service Host: Local System processes. Usually the usage keeps rising from 1GB to sometimes 8GB. I left my comp on while I was at the gym today and came home to it prompting me with a low memory available message. This must have shut down some processes because now my pc is running at 13% memory and 2% cpu. I have searched for this issue and found similar threads, but none of the solution work for me.
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Nov 15, 2015
I just upgraded to TH2 from Win 10 Pro. I noticed that my disk usage is near 99% for the past 20 mins. It keeps fluctuatiing between 10 to 99. Normally my disk usage stays at 0. May be this might be Windows settling in after the upgrade? There was high disk usage the first time around when i upgraded from Win7.
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Feb 20, 2016
Since I did a system reset, I started to have the process called " system interrupts " to consume high percentage of the cpu.
I usually avoid this issue by restarting the system twice. Another problem is the computer is no longer able to go into the sleep mode.
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Aug 2, 2015
I just installed win 10 last day, and it was going fine, no conflicts on the drivers whatsoever. But after a day, when I booted up, it seems to have slowed down to a point that everything does not respond to my inputs, though it does after a couple of minutes, i check the task manager and it shows that the disk usage is high, the r/w speed show high utilization about 10-40mbps and the active time is 100%? I have read some thread and suggested to turn off superfetch and prefetch but that didn't do a thing to me. Btw, I installed it over win 8.1 using a bootable usb.
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Feb 10, 2016
In W10 when I leave my laptop in sleep mode overnight, it uses about 10% of battery life. In windows 7 it was way less, to the point that it wasn't even noticeable.
where I should start looking?
I have a Thinkpad X220T
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Dec 13, 2015
From sometime in October, after an update, there have been periods, sometimes intermittent, sometime persisting for a long time, when Disk usage spikes up to 100%, and makes a lot of things unusable.
I did some researching, and disabled a bunch of stuff, like Windows notifications, Windows search, background intelligent transfer and superfetch, even OneDrive, but even on Windows 10 version 1511, Disk usage spikes to 100%, the offending application / service being anything from System to memory compression to 3rd party applications...
This is becoming extremely irritating, and my video playback or something else stutters a lot when disk usage jumps up, often at chronic levels, then backs down, or stays at that usage for some time.
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Nov 3, 2015
In my computer I use Windows 10 x64 and I have 6 GB of RAM installed. I face the problem of high usage of Ram from System process. Although I hear that this is something normal for Windows 10, this tends to freeze my PC or prompts me to close running programs although I do not have that much open. I updated all my drivers, I also tried everything proposed in various solutions around the web but the problem still exists. Could it be some update of Microsoft? A friend of mine running Windows 7 with 8GB RAM installed in his computer, faces the same problem the last weeks too.
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Jan 9, 2016
When I am downloading something with utorrent the memory usage in task manager slowly creeps to 100% and makes my computer unusable and even if I shut down utorrent the memory usage does not change and I have to restart my PC. Same goes for browsing facebook or any other sites. Is there a solution to this? I really don't want to reinstall my system.
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Jul 4, 2015
I installed Windows 10 (10130 build) and I love it. The only problem that I'm having with it is this Photo Background app that eats my cpu(30-40%)! When I start up windows I need to kill it in task manager everytime. But even after I kill it if I leave my laptop in idle it still comes back. I want to understand what this Photos Background Task Host is doing, his functionality...
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Aug 31, 2015
from some reason, a process called "Windows Image Acquisition (WIA), which I've never seen before is running and using about 30% CPU. I read in MSDN that "Windows Image Acquisition (WIA) is the still image acquisition platform in the Windows family of operating systems starting with Windows Millennium Edition (Windows Me) and Windows XP."
Does that mean that from some reason my laptop's camera is running now? Maybe my laptop was hacked?
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Sep 7, 2015
Here is my PC configuration :
Recently I am getting notification that my memory is low, close some application to free the memory. But I wasn't running any high memory consuming programs. Then I looked into my Task manager and got this :
I am really not sure why this is taking so much memory. This Service Host: Local System continuously taking more and more memory and it moves total memory upto 80% ....
This didn't happen before I am recently facing this problem. How I can stop this so that it doesn't take this unusual memory. I checked windows update but no update is pending.
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Jan 12, 2016
Since upgrading from windows 7 to 10 my pc has been slowed down to a crawl by periods of very high cpu usage. A major culprit, but not the only one, is local security authority process.
This makes the laptop overheat , reduces battery life and slows work to a crawl. I have run sfcscannow and dism as administrator and no fault has been found..
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Jan 2, 2016
I'm running a 64 bit Windows 10 laptop. On idle, the System process is showing a high memory usage of more than 150 MB, usually more than 200 MB. Using poolmon the pooltag SpDN showed up with a memory leak. It leads to the Intel Matrix Storage Manager driver, iaStorV.sys. How should I go about fixing the problem?
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Feb 1, 2016
I opened my computer after having it been asleep all night; everything was working fine until I realized that my sound volume was stuck at a high level and no matter what I changed the volume to, it would not go down. Having had issues with my sound drivers before, I solved this by reinstalling the sound driver. I figured this would be the end of my issues for the day and restarted the computer to finalize the installation. Then windows installed updates, and when I got back into the system, I realized something was wrong. I have Advanced System Care 9, which comes with a real-time monitor of system usage (RAM and CPU), and I noticed that the CPU usage was much higher than it should be--usually it will be around 1-5% when I am not running anything (or just a few programs), but instead it was using 20-90% CPU, and the RAM would not go any lower than 24%.
However, I had had this issue before; Bitdefender Antivirus had started acting up a few days ago using up 90-100% CPU, and I had caught it using Microsoft Process Explorer. Removing Bitdefender solved the problem. So, naturally, I went to the process explorer to check what was using so much CPU again. But this time--nothing. The windows process explorer showed nothing using that much CPU. From there, I began to notice the rest of the problems: many functions of the task bar would not work, such as any of the toolbar icons, or the windows icon, or Cortana. Firefox would not open, either, and I could not get Steam to connect.
Also Ctrl+alt+delete did nothing but bring up an endless black screen, as did restarting. The only way to reboot is to force it by pressing the power button. Therefore I could not reach safe mode. From there I ran a myriad of virus/malware/adware scanners/cleaners/optimizers, none of which found or did anything to fix the problems, though my computer is now squeaky clean otherwise! Eventually I managed to get into safe mode by a very finicky method, which was by turning the computer off during startup which made it do a startup repair next time it turned on, from which I was able to enter safe mode.
And in safe mode--everything works. None of the described issues happen there. I am able to use all the windows features (aside from those blocked in safe mode), ctrl+alt+delete and restarting function properly, and I am able to connect to the internet and use firefox, everything works. So this means that there is something there causing the problems, and it is being blocked by safe mode, but I cannot find it! After running several more scanners, all of which found either nothing, or only small innocuous things, I ran Microsoft Safety Scanner, which found a "severe" trojan which was (I believe) called Dynammer!ac, and I figured this must have been the culprit--but no. Restarting and returning to normal mode resulted in the same problems occurring. Since then I have uninstalled/reinstalled a few drivers that were suggested to me to try, such as sound (the one that I had to replace before the problems started), and the display drivers, none of which fixed anything, either.
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Sep 11, 2015
I've calculated that my apps use arround 538MB(1%) ram i have 6GB ram and the task manager is showing almost constantly that around 35% is used. What windows processes can i stop to reduce the ram usage - these are pics from the task manager. URL...
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Dec 18, 2015
For some reason iexplore.exe consumes extremely high cpu resources. Only IE and only cpu. I have done a myriad of scans:
Roguekiller
TDSSKiller
ESET
Malwarebytes
Bitdefender
and none indicate a Trojan or rootkit. I have also deactivated most extensions and followed dozens of articles on the net. I know I am supposed to use Edge, but it lacks features that I want and has other limitations that make it cumbersome. Likewise Chrome and other browsers react differently for many of the sites I use.
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Nov 24, 2015
windows 10 pro x64
8 gb ram
my system monitor is showing 49% ram usage, and 52% swap usage.why all the swap usage, when there is plenty of ram left?Is this normal? The computer was in sleep. maybe that's connected?
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Oct 9, 2015
For some reason my Task manager is showing high cpu usage, and im lagging in some games. This is what it shows when I look into my task manager
[URL] ....
How to fix? It wasn't like this before.
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