Re: CPU Usage: 100%
- From: "Bert Kinney" <bert@xxxxxxxxxx>
- Date: Sun, 1 May 2005 10:38:16 -0400
Hi Cross,
Follow any of these steps you have not already.
1. Remove any hardware attached to the system, such as printers,
external drives and any USB device and reboot.
2. In Device Manager start disabling each sub under "Universal Serial
Bus Controllers" one at a time, keeping an eye on Process Explorer. If
this has no effect on the CPU usage, reboot and check again.
3. Follow the same process as step 2 but start disabling none
critical hardware in Device Manager, such as the Host Controller,
Sound, Network, Modem, Infrared, ports ect.
4. When the problem device is found try uninstalling it then
reinstall. Also check the manufactures web site for an updated driver.
Virus and spyware infection should also be ruled out as a cause.
Virus and Spyware removal and prevention
http://home.earthlink.net/~mvp_bert/html/spyware.html
--
Regards,
Bert Kinney MS-MVP Shell/User
http://dts-l.org/
cross wrote:
> Hi Bert..you do get about..
>
> while searching for help re my problem I found this other
> site where you had been helping.
> http://forums.wugnet.com/Perform%20Maintain-High-CPU-usage-program-running-ftopict355962.html
>
> Sounds pretty much like the problem I am having. Using
> the process explorer I have found that interrupts and
> dpc,s are using up most of the cpu %.
>
> I followed your advice but disabling usb and hardware has
> had no effect on the %.
>
> Open to any more offers.
>
> Cheers
>
> "Bert Kinney" wrote:
>
>> Hi,
>>
>> Download and run Process Explorer. Look for the process
>> that's taking up all the CPU time. This will help narrow
>> the search.
>> Sysinternals Freeware - Process Explorer
>> http://www.sysinternals.com/ntw2k/freeware/procexp.shtml
>>
>> Another possibility:
>> 4/22/05 Windows XP Service Pack 2 machines with critical
>> patches and PC-cillin Internet Security 2005 starts to
>> experience high CPU utilization after updating to
>> Pattern 594
>> http://kb.trendmicro.com/solutions/search/main/search/solutionDetail.asp?solutionId=24264
>> Pattern File 2.594.00 may cause high CPU utilization
>> http://www.trendmicro.com/en/support/pattern594/overview.htm
>>
>> --
>> Regards,
>> Bert Kinney MS-MVP Shell/User
>> http://dts-l.org/
>>
>> cross wrote:
>>> interesting..I,m having a very similar problem on a hp
>>> 4800 laptop. cpu usage for system runs at approx 95-99%
>>> all the time.
>>> The laptop also does not shut down either.
>>> having tried all the various spyware adaware route.
>>> none found..
>>> I eventually decided upon a drastic course of action. I
>>> have formatted the hard drive and reinstalled a clean
>>> copy of xp....
>>> guess what...exactly the same two issues..cpu usage at
>>> approx 95-99% and windows stil not shutting down..
>>> Is this now an issue with the hard ware?
>>>
>>> "Ben Foster" wrote:
>>>
>>>> Sorry but I don't think I can help you with this one.
>>>> When you said the system was using it a first i thought
>>>> you meant the user name, but afterwards realised there
>>>> is actually a process named 'system'. On my computer,
>>>> it uses a very small amount of memory and barely
>>>> utilises the CPU. If you meant System Idle Process,
>>>> then this does actually use a lot of CPU as it
>>>> performs tasks such as indexing files when the PC is
>>>> idle. The only thing I can suggest really is to do a
>>>> scan for adware/spyware using Ad-aware, spywareblaster
>>>> and some others.
>>>>
>>>> No doubt someone else more experienced in here will be
>>>> able to help you. You could always try searching for it
>>>> on google?
>>>>
>>>> Hope this helps,
>>>> Ben Foster
>>>>
>>>> "johnrealplaces"
>>>> <johnrealplaces@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>>>> message
>>>> news:0848FE5A-8050-4319-82A3-40CC424C309C@xxxxxxxxxxxxxxxx
>>>>> Thank you very much for thinking with me about this.
>>>>> It is the system that is
>>>>> using 95% or more of CPU. I installed McAfee Internet
>>>>> Security Suite but it
>>>>> did not solve the problem.
>>>>>
>>>>> "Ben Foster" wrote:
>>>>>
>>>>>> If you could reply stating which program(s) is
>>>>>> causing the high useage of CPU then i'm sure someone
>>>>>> here will be able to tell you whats happening.
>>>>>>
>>>>>> Also it could be the possibility of a virus? Might
>>>>>> want to do a full virus
>>>>>> scan with an up-to-date AV.
>>>>>>
>>>>>> Hope This Helps,
>>>>>> Ben Foster
>>>>>>
>>>>>> "johnrealplaces"
>>>>>> <johnrealplaces@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>>>>>> message
>>>>>> news:DD8660A8-2AE9-4B8C-9B5B-F807190BBBE2@xxxxxxxxxxxxxxxx
>>>>>>> Thank you very much for your reply and the
>>>>>>> information. I'm pretty much a
>>>>>>> novice so I don't understand a lot of technical
>>>>>>> jargon. This problem happens
>>>>>>> numerous times a day so I don't think it is
>>>>>>> scheduled antivirus scans. It
>>>>>>> is
>>>>>>> a stand alone computer so I don't think it is
>>>>>>> network activity. I'm not sure
>>>>>>> what a mail client is but the problem happens
>>>>>>> whether I am using hotmail or not. Any suggestions?
>>>>>>>
>>>>>>> "Sandor Teglasy" wrote:
>>>>>>>
>>>>>>>> At moments when you experience such problems, pls
>>>>>>>> refer to the Task Manager
>>>>>>>> to eventually find out, why your system hangs.
>>>>>>>>
>>>>>>>> Common reasons are scheduled antivirus scans or
>>>>>>>> increased (unsuccesful)
>>>>>>>> network activity. Your mail client might also eat
>>>>>>>> up a lot of processor time.
>>>>>>>>
>>>>>>>> Sandor Teglasy jun.
>>>>>>>>
>>>>>>>> "johnrealplaces"
>>>>>>>> <johnrealplaces@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>>>>>>>> message
>>>>>>>> news:BC46EE50-E3E7-4CCA-8541-7BA0C79B0335@xxxxxxxxxxxxxxxx
>>>>>>>>> I am running Windows XP on a Compaq Presario 2700.
>>>>>>>>> Often the Task manager
>>>>>>>>> shows CPU usage at 100% for no apparent reason,
>>>>>>>>> mostly in the system, and the
>>>>>>>>> machine goes so slow it hardly works or hangs up.
>>>>>>>>> Please advise.
.
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