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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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Hi, i have written a document to fix this. if u like i can share it with u. check out myblog see if that helps you out. if not message me and i'll help you sort out this. and yes download combofix and run the tool. it will scan for malware,adware and spyware.

Posted on Nov 30, 2008

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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/

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My Toshiba satellite pro M10 very slow.


check your system performance thru task manager. check for CPU usage. usually COU usage is 1% to 10%. if your CPU usage would peak from 10% to 100% there is a huge possibility that there is program running on your computer that eats up your memory. Or it could be spyware/malware

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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.

Please continue this in the other duplicate thread.

Thanks,
Dan

Feb 08, 2010 | Dell Latitude D810 PC Notebook

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

2 Answers

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There could be a number of things that is slowing your computer down and it depends upon what is running on the computer and in the background.
For example. Someone could have hack into your computer, assuming you are on an unsecured wireless conection. A virus program is using or accessing data on your computer. Your virus program is running a scan on the computer. If you are on the Internet and the service is slow because of the amount of traffic through your ISP's connection.

The way to monitor what is going on is to run Windows Task Manager.
Press Ctrl-Alt-Del keys together to open Windows Task Manager.
There are 5 Tabs that view various functions. The Processes and the Performance tab give you details of what is going on.
In the Performance tab if the CPU is running nearly 100% that is why your computer appears slow.
In the Application tab, this shows which programs are opened and running, the more applications that are opened can make the computer slower.
In the Processes tab this shows exactly which process is running and who or what is using that process and the CPU usage. Click on the CPU label twice and it will sort the CPU usage from the highest to the lowest. You maybe able to determine the process which is causing the problem and work out if you can shut down this process/program or it is a problem that needs to be resolved.

I suggest that if you are using a wireless connection that it should be secured to prevent unauthorized access. Install a firewall and anti-virus program. Scan the computer for viruses and trojan horse programs etc.


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1 Answer

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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).


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1 Answer

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What processes are you running?
Check taskmgr.

You will find there what is going on, and which program and processes are running on your computer taking the 100% CPU usage.

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1 Answer

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

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