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pc fan goes crazy when running scans

Discussion in 'PC Hardware' started by sean, 2007/08/12.

  1. 2007/08/12
    sean

    sean Well-Known Member Thread Starter

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    Good morning to all.

    When i run a scan using :- spy bot s&d, super anti spyware (free),avg anti spyware (free) the fan kicks in and it sounds like my pc (new in january) is going to fly out of the window/blow up!!

    my cpu goes up from 1- 2% when idle to 58% and the scan processor is running at 60.744kb

    Only adaware 2007 (free) seems allright, any help would be great on this matter. By the way it has only started doing this in the last two weeks.
    MANY THANKS for your time,

    Sean.
     
    Last edited: 2007/08/12
    sean,
    #1
  2. 2007/08/12
    PeteC

    PeteC SuperGeek Staff

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    Sean

    I don't think you have any undue cause for concern ...

    The CPU usage you note is normal when scanning - the value will depend on the power of the processor. I have made a couple of scans with AVG AntiSpyware and AdAware 2007 and CPU usage peaked around 50% on a dual core AMD. The cooling fan will cut in when required (The CPU fan runs all the time on a desktop - BTW - laptop or desktop?) and the ambient temperature will obviously have an influence here.

    You may like to check out the temps with Everest (Computer > Sensor) while scanning and post the results here for comment.

    Have you checked that the cooling vents are clear?

    Thread moved to Hardware forum.
     

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  4. 2007/08/12
    sean

    sean Well-Known Member Thread Starter

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    Hello to you PeteC.

    Thanks for getting back to me, its a desktop and i clean the vents quite regular with my little un's large paint brush and hold the hoover next to it to catch the dust and debris.
    I have run everest sensor for you to have a look at, i only had the everest sensor thing running at the time of the scan:-

    --------[ Sensor ]-------------------------------------------------

    Sensor Properties:
    Sensor Type Winbond W83647HF (ISA 290h)

    Temperatures:
    Motherboard 45 °C (113 °F)
    CPU 54 °C (129 °F)
    Aux 47 °C (117 °F)
    Seagate ST3320820AS 44 °C (111 °F)

    Cooling Fans:
    CPU 2192 RPM

    Voltage Values:
    CPU Core 1.14 V
    Aux 3.23 V
    +3.3 V 3.30 V
    +5 V 5.54 V
    +12 V 14.04 V
    -12 V -13.68 V
    -5 V -6.96 V
    +5 V Standby 4.99 V
    VBAT Battery 3.28 V
    Debug Info F FF 4D FF
    Debug Info T 45 54 47
    Debug Info V A9 CA CE CE E7 0F 0F (01)

    It doesent make any sense to me:confused: , i have not posted the debug part as it was quite large, please tell me if you need it.

    Thanks again,
    Sean.
     
    sean,
    #3
  5. 2007/08/12
    PeteC

    PeteC SuperGeek Staff

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    The temperatutes are on the high side, but not dangerously so as the scan was running.

    You might like to post temps after the computer had idled for an hour or so.

    What is of greater concern are the voltages which are way out - I suspect you may have a flaky PSU (Power Supply Unit) ....

    CPU Core 1.14 V
    Aux 3.23 V
    +3.3 V 3.30 V
    +5 V 5.54 V
    +12 V 14.04 V
    -12 V -13.68 V
    -5 V -6.96 V
    +5 V Standby 4.99 V
    VBAT Battery 3.28 V

    There is generally some info in the BIOS on temps and voltages - maybe under Hardware monitor - depends on the make of the BIOS. Can you dig out that info?
     
  6. 2007/08/12
    Rockster2U

    Rockster2U Geek Member

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    Pete:

    Glad you posted that - I saw those voltages a couple of hours ago and my eyeballs fell out but figured I'd bite my tongue because you guys have that "funny electricity" over there which I know little or nothing about. I even got out a calculator to look at the % variance re: over voltage.

    sean: as Pete said - check that out in your BIOS, where you will get your most accurate voltage readings. This could be a dangerous situation in terms of your computer's long term integrity.

    ;)
     
  7. 2007/08/12
    PeteC

    PeteC SuperGeek Staff

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    Rockster

    Our electricity ain't funny - just twice as good as yours 220/240 volts vs 110 volts :D :D
     
  8. 2007/08/12
    sean

    sean Well-Known Member Thread Starter

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    Thanks PeteC / Rockster2U for your quick response.

    Blooming heck now you have me worried, i ran everest / sensor again straight after i started the pc after it had been off for a few hours :-

    --------[ Sensor ]--------------------------------------------------------

    Sensor Properties:
    Sensor Type Winbond W83647HF (ISA 290h)

    Temperatures:
    Motherboard 30 °C (86 °F)
    CPU 32 °C (90 °F)
    Aux 45 °C (113 °F)
    Seagate ST3320820AS 28 °C (82 °F)

    Cooling Fans:
    CPU 2109 RPM

    Voltage Values:
    CPU Core 1.14 V
    Aux 3.23 V
    +3.3 V 3.31 V
    +5 V 5.56 V
    +12 V 14.04 V
    -12 V -13.76 V
    -5 V -7.01 V
    +5 V Standby 5.02 V
    VBAT Battery 3.26 V
    Debug Info F FF 50 FF
    Debug Info T 30 32 45
    Debug Info V AA CA CF CF E7 0E 0E (01)


    Please would you tell me how to do this as i have looked and looked using everest and dont see anything to do with Hardware monitor . The only thing on bios is this :-

    [ BIOS ]

    BIOS Properties:
    Vendor Phoenix Technologies, LTD
    Version 6.00 PG
    Release Date 09/19/2006
    Size 512 KB
    Boot Devices Floppy Disk, Hard Disk, CD-ROM, ATAPI ZIP, LS-120
    Capabilities Flash BIOS, Shadow BIOS, Selectable Boot, EDD, BBS
    Supported Standards DMI, APM, ACPI, PnP
    Expansion Capabilities ISA, PCI, AGP, USB

    As you can see im not a expert on this subject, so please take it easy on me and advise me how i check my bios / accurate voltage readings.

    MANY THANKS
    to the both of you,
    Sean.

    Ps, if i dont get back to you straight away its that i have to go to work, and the kids are off school so the pc is very busy.
     
    sean,
    #7
  9. 2007/08/13
    Rockster2U

    Rockster2U Geek Member

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    sean:

    If you are running a free version of Everest (V2.20 or earlier), it is quite possible that it is not reading your voltages correctly. It appears that your machine is relatively new and Everest (free versions) hasn't been updated to include some of the newer hardware. Thats why Pete suggested you look elsewhere to verify those Everest readings. Usually, one will find a tab in the BIOS called Power Settings or something similar and you will be able to see reported voltages there. If you want to give us a machine type and model number, we can try to look it up and give you more specific direction. There is reason to be concerned, but it might also be a false reading that we are concerned about.

    ;)
     
  10. 2007/08/13
    sean

    sean Well-Known Member Thread Starter

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    good morning to you Rockster2U.

    The pc model is :-

    Advent T9307
    intel core 2 duo processor E6300
    dual layer dvd rewriter
    Ati radeon x1650se
    320gb hard disk (7200 rpm)
    1024mb ddr2 memory

    Hope it is a false reading mate :eek:

    better get going to work,
    Cheers and good luck to you,
    Sean.
     
    sean,
    #9
  11. 2007/08/13
    Rockster2U

    Rockster2U Geek Member

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    I just did a little looking and apparently, this is manufactured by Medion. I couldn't find specs on it re: the PSU but did run across several favorable reviews re: the machine itself, especially with regard to the price value relationship. I would suggest you look around on the different BIOS tabs to see if there is a Power Settings page which includes voltages or pull the side off the case, identify the PSU and post the name, model and specs of just the PSU. My suspicion is that Everest is not giving an accurate reading on this particular board.

    ;)
     
  12. 2007/08/13
    PeteC

    PeteC SuperGeek Staff

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    Sean

    To enter the BIOS - sometimes referred to as Setup on the Post screen, keep an eye on the screen for a message to hit a specific key to enter setup/BIOS.
     
  13. 2007/08/13
    sean

    sean Well-Known Member Thread Starter

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    Thanks for all your help on this chaps.
    :eek: like i said im not up on all this and i must say its a bit scary ....
    If i enter setup/bios chaps how do i get my pc back to normal, it may sound like a daft question to you good fella's, but i have no idea:confused:

    Cheers and good luck to you both,
    Sean.

    Ps, in fact i have a really good idea................Petec Staffordshire's not too far away from me........just kidding.
     
    Last edited: 2007/08/13
  14. 2007/08/13
    PeteC

    PeteC SuperGeek Staff

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    :D

    When in the BIOS either select the EXIT menu or look along the bottom of the window for keyboard commands - usually F10 for Save and Exit.
     
  15. 2007/08/13
    Steve R Jones

    Steve R Jones SuperGeek Staff

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    So....a few weeks ago you could do scans and the fans wouldn't come on?

    Have you blown the dust out of the fans? Is it more hot weather wise where you are then it was a few weeks ago?

    Does the pc basically run A-OK?
     
  16. 2007/08/13
    sean

    sean Well-Known Member Thread Starter

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    Good evening to you Steve R Jones.

    Thanks for diving in.

    Yes thats correct.

    No mate, only used the hoover and a paint brush to remove the dust from the outside grills.

    Yes, at long last we have had some decent weather (low 70's) and the pc is situated in the kitchen area which can get quite warm.

    All great, except when i run malware/virus scans.

    Cheers mate,
    Sean.
    ---------------------------------------------
    Good evening PeteC / Rockster2U.

    I have come across a forum called:Advent desktop pc support, im going to register and ask what type of psu i have in my model, ill post back the info when someone gets back to me asap.

    THANKS,
    Sean.
     
  17. 2007/08/13
    PeteC

    PeteC SuperGeek Staff

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    We still need that info re. voltages from the BIOS :D
     
  18. 2007/08/13
    sean

    sean Well-Known Member Thread Starter

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    PeteC........you've sussed me out, you could say im a little (LOT) worried about doing all that bios stuff so im going down the easy option (on my nerves) that Rockster2U has asked me to do :-

    THANKS,
    sean.
     
  19. 2007/08/13
    PeteC

    PeteC SuperGeek Staff

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    That will only provide the id of the PSU which in itself is useful, but all PSU's supply the same range of nominal voltages to the motherboard - 12v, 5v, 3.3v etc. although they will have different overall capacities - 250W > 700W, differing accuracies of voltage control, etc.

    What we need to establish is exactly what voltage is being supplied against a nominal 12v, etc, hence the need for voltage readings from the BIOS.

    My reading on this is that excessive voltage will not improve the performance/longevity of key components and will generate more heat. We do need to be as certain as possible that the readings from Everest are accurate or inaccurate.

    Maybe you have a friend who is more conversant with the workings of computers who could either enter the BIOS for you or oversee your efforts?
     
  20. 2007/08/13
    Rockster2U

    Rockster2U Geek Member

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    Sean:

    Pete is oh so correct and those voltages are way out of spec. I looked at that forum yesterday and there was very little there about your specific PSU.

    ;)
     
  21. 2007/08/14
    Chiles4

    Chiles4 Inactive

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    As a matter of course I would confirm your voltages with a voltmeter by measuring the 5v and 12v rails at an unused molex connector that leads directly to your PSU (not a device). It's real easy to do if you own one.
     

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