Maintenance :: Windows 8.1 - CPU Usage Always TOTALS 100%
Mar 6, 2014
I've been on 8.1 for some time now and just noticed that my CPU usage is always showing up in Task Manager as 100%, no matter what combination of programs are using it. No single program seems to be the culprit for hogging it. The usage values bounce around like crazy, but the column total is stuck at 100%.
I don't notice any lag or slowness as a result like I should if the CPU WERE at 100% load. It's an older Core i7 Quad in a Dell Precision M6500 laptop.
I am quite OCD about things running in the background unnecessarily and have disabled a lot of startup items.
I put a screen cap here, but it isn't perhaps a great example since SnagIt APPEARS to be hogging the CPU to do the capture, but I can assure you, it is not this intensive. If I quit that, some other random process just takes 30%+ and others keep filling in the gaps so that the total is always 99-100%. Very strange. If NOTHING else is going on, Task Manager will shoot up to near 100%.
Is Windows 8 supposed to have a System Idle Process?
The other thing is that this machine's fans are NOT running full blast to keep heat down like they would if it were under full load. Is something just not reporting right?
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Feb 6, 2013
For first 4 days my Windows 8 runs perfect. But after when i started my PC i get about 15 min. freeze. Later i saw in my task manager, when lag happens my Disk Usage go to 100%, i didn't saw any process, what have some big usage. My processes was only at 0 MB - 0.1MB and disk usage was at 100%.
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Apr 27, 2014
I encountered a problem a few weeks ago after I refreshed my laptop when it started refreshing the desktop constantly to the point where I couldn't do anything. After the refresh, the desktop was back to normal, though I noticed my disk usage in the task manager was constantly at 100%. I've been troubleshooting this problem by upgrading from Windows 8 to 8.1, I've run chkdsk.exe /f /r, I defragged the disk, ran a virus scan, etc. The only thing that is disabling the service 'superfetch' and/or 'Windows search', though the problem can still arise after doing so. Every now and then the disk usage goes back to it's regular 2-8% but then randomly shoots back up to 70-85-99-100%. It's causing some occasional slowdown.
Here's a screen cap of my resource monitor when it's at 100%:
And here are the specs of my laptop:
-Model: Acer Aspire V5-552
-CPU: AMD Quad-Core A10-5757M @2.5GHz
-RAM: 6GB DDR3 Memory
-HDD: 1000GB
-OS: Windows 8.1
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Dec 29, 2013
I did a fresh install of windows 8 twice and the problem still persists. I think I have tried every solution offered by google so far and I am at my wits end. It causes freezing in video games and I just want to play all these cool games I bought on steam, not to mention browse the internet without freezing.
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Mar 15, 2014
Edit: laptop might also chrash while in airplane mode, however making an internet connection is still a surefire way to make it crash.
Seemingly out of nowhere my laptop has been freezing usually minutes after I started it up. I can then restart my laptop and it works for another few minutes and freezes again. While looking at task manager I noticed the disk going up to 100%, however the individual processes did not account for this 100% use.
I tried to increase/decrease my virtual memory but this did not seem to have any effect.
When My computer makes an internet connection for something, a browser or a game, it will skyrocket the disk usage to 100% and freeze. I can start my laptop with all processes and services enabled and when I put it on airport mode nothing will be wrong. however once I enable internet and surf around for about 1 minute my computer will freeze. this happened for multiple browsers and also for multiple games. Also I am currently typing this from my brothers laptop with the same internet connection.
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Apr 11, 2014
I've been having some major problems with Windows 8.1 (and 8.1 Update) which never occurred to me in Windows 8.
What essentially happens is that the computer completely freezes up and I know that the disk usage goes to 100% as does the active time but the read speed/write speed and average response time are all 0. During this period, i cannot do anything with the machine, not even take a screenshot (And hence to poor quality of the attached picture which shows the scenario).
I've encountered this problem in all of the situations: Upgrade from Windows 8 to 8.1 via StoreUpgrade from Windows 8 to 8.1 via flash driveClean install of Windows 8.1 on to a formatted partition
I've never had this problem with Windows 7 nor with Windows 8 and I've gone through the process of trying to upgrade to Windows 8.1 more than 8 times (literally) on my laptop. I've updated the drivers from the vendor site.
I also encountered this same problem on my desktop once when I performed a clean install on it but I need a stable configuration on my desktop for now for work.
The following are the steps that I've seen online as solutions to this problem and have tried all of them to no avail:
Disable superfetch and windows search servicesDisable Link State Power Management for PCI expressDisable live tilesDisable page files
The configurations for the laptop are as follows:
HP Pavilion dv6-7040tx
3rd generation Intel Core i7 3610QM8 GB of RAM750 GB SATA harddisk (Currently has three partitions plus the small partition created by windows. This problem existed even when I had a single partition. The reason I re-partitioned was ease of formatting and re-installing the OS alone without clearing my data)NVIDIA GEFORCE GT 630M 2GB graphics card.
I do have all the latest drivers from the HP website and the latest updates from windows update. Also, if I check the resource monitor, at these times, the actual disk usage is indeed at very low rates for the different processes. I've attached a snapshot of that as well (had to use a camera then too). Notice the long gap during with the disk active (blue line) is 100% but the speeds (green area) are 0.
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Mar 22, 2013
I have a laptop running Windows 8 Pro x64, and lately I'm facing an issue where the System process (PID = 4) has spikes of 100% of disk usage according to task manager. I can't watch a video or play a song on a media player properly, for example (there's a crackling noise and the playback is slow), because this process (System) keeps using 99-100% of my hard drive.
Even if I have just booted up and running only the essential OS process and services and completely idle, task manager keeps reporting several spikes of 100% of disk usage. Tried uninstalling antivirus (avast free), but that didn't work. I really have no clue what do to prevent this process from writing/reading so much into HD and reaching 100% of disk usage.
Specs:
OS: Windows 8 Pro x64
CPU: core i3-2350M @ 2.3 GHz
RAM: 4 GB DDR3 @ 1333 MHz
HD: Samsung Spinpoint ST500LM012 HN-M500MBB 5400 RPM
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Jul 12, 2014
I am having problems with my memory it has jumped to 89% and stays there. I tried to restart i looked at the processes it seems that non-paged tools is taking the most. I used RamMAP tool to find this problem.
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Jul 4, 2013
Over the past couple of weeks I have been getting high disk usage on my computer, causing it to run extremely slowly.
Just after I took the attached screenshot, my System went down to around 6MB/s and the "Service Host: Local System (Network Restricted)" jumped to around 16MB/s Looking in resource monitor the main things causing the high read speed are:
'rundll32.exe' and 'ccsvchst.exe' and one just called 'System'
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Oct 30, 2013
I recently installed Windows 8.1 on my Inspiron 7520 and I noticed that during the startup the disk usage is around 98/99% of my Samsung SSD 840 Pro 120gb.
I saw a lot of posts where the users complain that, during this high usage of the disk, apps don't open, the system freezes around 5 minutes and after that, there are random high usages, even on idle. But in my case this high usage lasts only few seconds (around 30s), I can open some apps with no problems and never happens again on idle, only if I restart Explorer.exe. If I restart it, it happens all again.
My question is : Is it normal? The high usage only on startup? My only worry is mess up with my SSD due this usage.
On Performance Monitor, the process which writes a lot is System. I disabled every 3rd party app on startup.
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Nov 16, 2012
A week ago I did a completely fresh install of Windows 8 64 bit and everything was working great. When I booted up my laptop on Wednesday I noticed it was running terribly slow. When I opened task manager I saw that disk usage was at 100% despite the combined total of data transfer being 0.8MB/s.
The problem occurs constantly if I set my laptop power mode to balanced but only occurs intermittently at high performance. I've run a chkdsk and everything is showing up fine and bizarrely there is no slowdown whatsoever on safe mode.
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Mar 7, 2014
I have a new laptop windows 8.1 (64bit) 8gb RAM i7 processor which should be sufficient for the software I use. However on start-up my memory is already at around 80% and stays like that.
The most seems to be caused by servicehost (network restricted) (11) another program is IAStorDataSvc (32bits) even after i updated Intel Rapid Storage it still seems to take some memory. (My system settings are in Dutch but I guess it's pretty much the same as in English).
What could be the cause of the massive memory use?
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Apr 17, 2014
I have recently discovered that my laptop cooler was going crazy and I didn't knew why, then I started Task Manager and there it was "Windows host process (Rundll32) eating 30% of the cpu.
Notebook specs:
Cpu: Intel Core i5 3210m
Ram: 8gb ddr3 1600mhz
OS: Windows 8.1 x64 pro with the latest update
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Apr 13, 2013
My Task Manager:
HP Pavilion with Intel Core i3 running on Windows 8 and NVIDIA GEFORE GT 630M 1GB
My relatively new (about 2 months old) laptop running on Windows 8 suddenly became slow. I noticed it starting yesterday when it became really laggy. Just a few days ago it was working just fine.
I tried to look for solutions online and was worried that it might be caused by malware. I did a quick scan with Malwarebytes and it found no infections.When I boot in safe mode, it seems pretty fine. I tried doing a system restore but I was also informed that it wasn't completely done probably because of an antivirus.
My antivirus is Norton Internet Security and I've read that Norton can be such a hog so I've tried disabling it though not entirely and it hasn't been uninstalled yet. I've also tried running a chkdsk /r because going to Tools > Check for Errors on my C: drive said that there were errors that needed repair.
It has become less laggy but apparently not totally (not to previous state). My task manager however still shows 100% disk usage. Previously Norton would be listed among the top but now it's usually "System" and I don't quite understand why.
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Feb 2, 2013
I am using windows 8 on my laptop (samsung np550p5c-s03). The task manager shows memory usage around 70% (5.6 GB of 7.9 GB) even when I have no apps running.
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Jul 1, 2013
I bought a new desktop last year to run high-end software used for my degree; I installed Windows 8 on it, having got on with it on my laptop. I did notice though, after venturing into the Task Manager, that my CPU usage was at 100%. All the time. Even when idle. In fact, resource monitor says it's working at 108% load! I thought this was rather odd, so investigated further:
It appears that task manager divides the 100% usage proportionally between the processes using the CPU. So for example if Firefox, Word and Notepad were using 5%, 3% and 2% respectively, Task Manager would report 50%, 30% and 20% usage. I was initially concerned that my processor was going to take some serious damage to its life expectancy if it was being constantly loaded - but the performance monitor in Norton Anti-virus shows the CPU load to be much, much lower - where I'd expect it to be.
My system is an 3.4GHz i7, with 16GB RAM running 64-bit Windows 8 Pro. People have suggested a fresh install, but it's difficult tobackup everything up and re-installing VPN servers and software through various security measures, so I'd rather not...
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Jun 18, 2014
I'm playing watch dogs which needs 6GB ram on a 4GB ram PC.
I run compact tray meter and one thing I notice is that the ram usage never goes more than 80%. In fact, whenever it loads stuff from the HDD ( I could see HDD usage 100% and stuttering in my game), RAM usage decrease to 77-78%. VRAM is kind of healthy at only 52% of 2GB used.
I want to know why not all 100% of my RAM is used? Hardware reserve is only 145MB.
And why is the minimum system requirements for watch dogs a GTX460? I mean, I got a 645M, I can play it, my friends with a 640 and 630m can play it fine, our GPU temperature is just 80"C even after hours of playing.
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Feb 14, 2013
Friend on 100% CPU system to a stand. Resulting in a sharp decrease in system speed.
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Sep 15, 2014
I have Intel I7-3930K running at 3.9GHz and I've noticed that my CPU utilization never goes over 50%, even when rendering, or playing cpu demanding games like BF4. It's also causing huge hiccups(CPU spikes) every 2 minutes or so, while playing games. I've installed all windows updates and latest drivers, disabled all unnecessary programs and tasks.
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Jun 10, 2014
My task manager is showing an unusually high CPU usage by the system, anywhere between 20-30% when the computer is idling. I've run the sfc /scannow utility and it found some corruptions, which were then fixed by the DISM utility. However the task manager is still showing that super high CPU usage and no amount of restarts is changing anything. I've attached an image of my task manager.
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Oct 12, 2013
I have high usage on my laptop lenovo g580 using windows 8. check task manager and I see cpu memory and disk fluctuating up and down to 3% can go up to 100 at times. When I open google chrome. Watch video or play games. I hear my fan turn on and i think my hard drive and i check task manager and i see the problem happening. I did a virus scan and searched everywhere online. I couldn't seem to find a solution. When I am not using the pc its a stable 3 percent but my memory is at 37 which i barely have anything installed but 1 game and a google chrome.
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Jun 7, 2014
I'm setting up a new laptop running Windows 8.1. I keep finding the Windows Media Network Sharing Service keeps starting up when the PC is otherwise idle and running at 90% + CPU load for long periods. There is no demand for media streaming when the process is running.
What is this process for? Can I disable it or reconfigure it to reduce the CPU load?
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Oct 10, 2013
Randomly my disk usage will rocket up to 100% and sit there locking up my computer and freezing things that i am doing. problems started right out of the box when i got my laptop. CCleaner seemed to lower the amount of times it happens, but it still occurs. I've ran virus/malware scans there is nothing. so its ether windows doing stuff on its own randomly then consuming my whole disk or its having compatibility issues with some program that i have running. this is interfering with gaming and school work. I will include pics of multiple instances of it locking up. I can also include a list of the programs I have on here.
i have an
Acer Aspire V3 772G 9653
intel core i7 - 4702MQ
Nvidia Geforce GTX 760M
8 GB DDR3 memory
1 TB hard drive
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Mar 13, 2014
For some reason my disk usage is always at 100%, it never spikes its just a constant 100% and i think its hurting my performance, is there any way to lower this?
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Feb 22, 2014
After putting my computer to hibernate and powering it back on, my disk usage would stay at 100%. All the transfer speeds are around 0.1 mb/s and I'm not sure what could be causing the 100% disk usage.
Another thing is that it windows notifies me to scan my hard drive for errors, which I have done, but this keeps repeatedly happening.
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Apr 7, 2014
I'm using the same programs as my old system which also had the same amount of ram (2x4GB 1600MHZ) and the usage was very low.
This PC was only built 4 days ago the current ram is 8GB (2x4GB) Corsair Vengeance Pro, 2133MHz, CAS 11-11-11-30, 1.5V
The first two days that the PC was built I noticed the idle usage at 88% and if i ran a program it would hit 100% and pretty much freeze the PC so it's not an error in the display.
Mobo is MSI Z87-GD65 and I'm running Windows 8.1 with no updates.
Probably not anything to do with it, but i'm running beta amd video drivers and it's showing my card as 5GB, I'm planning to uninstall beta drivers and run updates. Just wanted to know of others opinions.
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Jan 3, 2014
I bought this Vaio with Core i5-3210M, 4Gb Ram, Windows 8 64 bit. I had really high hopes for it, coming from an i3. For the first few weeks it worked fine, but then it started to freeze while watching movies. Then it started happening all the time, and the cooling fan became consistently noisy for working at full capacity.
I was used to opening task manager on older systems when this happened to see if there was a non-responding program and force it closed, so I noticed Task Manager offers some more features in Win 8. Here, I see that CPU usage is high, staying always around 70% and from time to time reaching 100. At this moment, the process taking the biggest slice is called VCS System Tray with 58%.
What's perhaps more concerning, is that Disk usage is almost constantly on 100%. And by this I mean it reaches 100 and stays there for long periods of time, perhaps up to 20 minutes, then it falls down a few seconds and up again to 100. During this time the computer is excruciatingly painful to use. To even open a program takes forever. When this happens, it seems that Chrome is at the top of the list of processes with most disk usage, with about 1-2Mbps, but this sometimes changes and the list can be led by System, Utorrent, Octoshape, VCS System Tray, Communications Service...I think it's not related to any process by itself, but its nearly ALWAYS at 100%.
Finally, memory usage is also pretty high at 78%, but I guess this may be because 4Gb is not too much for this computer. I'm hoping to upgrade to 8 soon. Out of the 10 processes consuming most memory, 9 is Google Chrome (how's that even possible?).
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Sep 25, 2013
I have an ASUS Vivotab running Windows 8. I am seeing that the service process hits 100% disk usage from roughly 4:58PM - 5:04PM daily. I've made sure that my antivirus is't downloading updates or running during that time, same with Windows Update, Live Update, etc. How can I find what specific process is running during that time that is killing the machine given I know when to watch for it?
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Oct 29, 2013
I bought new lenovo ideapad Z400 touch 2 month ago with Windows 8. Last week i upgraded to win 8.1 and recover back to win 8 , since then i have some problems.
When I have the Task Manager open, I notice the disk usage climbing to 50, 75, 100 also the CPU , even though there's scarcely any disk activity going on, the laptop's fan is working harder and very noisy , my processor's speed and heat are jumping high without any programs on.
I tried almost anything, checked for viruses, disabled unnecessary startup programs, clean boot, but it still the same.
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Nov 4, 2012
How to reduce Local Service (no impersonation ) CPU usage..?
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Aug 28, 2014
Today I upgraded from Windows 7 to Windows 8.1. For some reason, after upgrading, my hard disk usage is always hovering at around 60% usage and my CPU usage is always hovering at around 50%. This is when the PC is idle. When I was using 7, the disk would rarely jump over 30% usage and the CPU would never go above 7% when idle. The sound of the hard disk constantly working away is doing my head in, not to mention it's at around 50 degrees as opposed to 45 degrees previously.
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