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Computer CPU usage 100% anytime a program is opened and slowsdown

For the last couple of months computer has been showing that the CPU is using 100% of the resources whenever any program is opened. If more that one program is opened at once, computer slows to a crawl or freezes. Thought it was a virus but have restored system to original state. CPU usage jumps up and down constantly when idle. Don't know if RAM is to blame or CPU and motherboard. Have received NO OPERATING SYSTEM FOUND message when restarting computer from hibernation state. Also blue screen came up once before computer restarted. Don't know if there is a way to test system to find problem. Any suggestions?

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  • madskillz28 Dec 01, 2008

    WhiteRussian,



    Available disk space is 52.3 Gigs. Have Windows firewall up and Norton Internet Security running. Disk is not fragmented. Run Disk Defragmentor once a month but problem persists. Could problem be hardware?

  • Dominic
    Dominic May 11, 2010

    I'm looking at the Spec Sheet for your laptop...



    • Intel Pentium 4 - 3.2Ghz

    • 1Gb of DDR SDRAM - 266Mhz

    • 100Gb Ultra ATA Hard Drive

    • ATI Radeon IGP - 64Mb VRAM
    No reason you should be experiencing that poor of performance...

    What is the available Hard Drive space? Do you have a Firewall and Virus Protection program running? Do you have you fragmented Hard Drive?

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Posted on Nov 30, 2008

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Posted on Jan 02, 2017

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I have a computer [AMD athlon(tm)]xp 1800+ 1.50 GHz]. My problem is when I switch on the system,the OS will open and i don't open any application then if i see in 'Task Manager - performance' there the...


Type "msconfig" on search bar there will be bar "startup apps" click that and click on disable all and restart your system...hope it works... Regards: imran

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100% cpu usage


In Task Manager, go to the Processes tab and sort by the CPU column. See what is hogging up all your CPU. It may be a virus, if so, I recommend downloading Malware Bytes and doing a full scan. Warning, it could take several hours to scan depending on the size of your machine. Good luck!

Nov 23, 2013 | Patrick M. Kolla Spybot - Search &...

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CPU usage 100%


This is due to memory and program usage.
Depending on your computers specs. try these steps
1. Disk clean and defrag
2. Virus, spyware, malware, Trojan, rocket scan and removal
3. Registry cleaner and optimizer
4. Check disc space on the C: drive
5. Turn off unnessasery programs auto starting

If this does not work it maybe that you need to upgrade your computer or add some extra RAM.

Sep 28, 2013 | Dell OptiPlex GX280 PC Desktop

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My Dell Latitude D620 is constantly spiking at 100% cpu, the problem arises especially when running the mouse over any program, it basically locks down my whole computer and nothing will run, it always...


It sounds like there could be a virus on your computer that is using up all of your CPU resources. Try to monitor the processes and CPU usage, buy pushing Ctrl + Alt + Del at the same time. This will open up the Task Manager on XP, or show you a menu screen on Windows Vista and 7, and you can click on start task manager at the bottom. View all your processes and how much cpu usage is being taken up from those processes. Look for the process using the highest cpu usage when it spikes to 100% and please repost the process name!

In the mean time might I suggest running and anti-virus scan, scanning for malware, and spyware as well. If you do not have any of these programs, I would suggest using either AVG, or Avira Anti-Virus, Malwarebytes, and Super Anti-Spyware, all of which are free programs that can be downloaded here!

Copy and paste the links into your browsers address bar...

AVG-- http://www.filehippo.com/download_avg_antivirus_32/

Avira-- http://www.filehippo.com/download_antivir/

Malwarebytes-- http://www.filehippo.com/download_malwarebytes_anti_malware/

Super Anti Spyware-- http://www.filehippo.com/download_superantispyware/

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THE TASKMANAGER'S PERFORMANCE SHOWS 100% USAGE EVEN WHEN THE COMPUTER IS NOT PERFORMING ANY TASK.SPEED OF THE COMPUTER HAS BECOME VERY SLOW.


Start by identifying the processes which are using the cpu and stop them or disable the processes which are causing the usage.

Mar 07, 2011 | Computers & Internet

1 Answer

My cpu usage is at 100 % when i run more two programs at a time, in turn making my computer slow even after installing a new operating system


Be careful how you interpret this information. In general, any program that has "work" to do will use the CPU when it is available. Showing 100% CPU usage over en extended period of time MAY indicate a problem or it may just reflect the case where there are background programs beiung run that have no effect on the system. The "scheduling" iof the CPU is usually done in chunks called quanta. Since CPU time is usually scheduled on what is called a pre-emptive mode, lower priority jobs (like virus scanning of the disc) will be pre-empted by an interactive user command (word processing for example).

Without examining your system and understanding what programs are running, it is hard to provide guidance on how to "fix": the system. Use the task manager to see what percentage of time is being used and for what. The utilization is shown as a percentage of the whole. Report the info here and we should be able to at least explain what is happening.

Dan

Feb 08, 2010 | Dell Latitude 100L Notebook

1 Answer

100% CPU usage


Hi,

Try to monitor the CPU usage before opening CROME. If it is normal before opening it then there is some process under CROME which takes you CPU usage report to GOOGLE on this. and remove it through Add/Remove programmes under control panel.

Try to use Firefox instead of CROME.

If it happens again then there is some thing wrong with OS( most probabaly Spyware or trozen).


Jul 30, 2009 | Computers & Internet

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CPU Usage jumps to 100% and down to 2% when I change websites


I'd say it has NOTHING to do with how or when you access Yahoo. In fact, anytime you see an extreme jump in CPU usage like yours....you have to consider that you may very well have a TROJAN VIRUS that's hogging up all your memory (among other things viruses do). If you don't have a good anti-virus program, then get one fast. Update all virus definitions, then.......RUN a FULL scan on your pc or laptop! Watch what you find.

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Laptop computer lagging horribly


You have something running in the background that is eating up the CPU useage. You need to identify which process is doing this.

Use the built in task manager, using ctrl-alt-delete to bring it up, and see which process is at above 90% cpu usage. Then post back here what you find.

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Svchost.exe using 100% CPU at startup


this is an all too common problem with windows services host, but you will have to refer to this site as there are a few things you can try http://ask-leo.com/svchost_and_svchostexe_crashs_cpu_maximization_viruses_exploits_and_more.html

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