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Strange siren sound at startup


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#1
johnny15

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Hi Geeks to go friends :D
i have a problem with my pc and i'd like to ask for your help,
when it starts, at the screen where you see (PSU RAM GPU etc)
you hear a beeping sound like siren (alarm) that stops after 1 or 2 minutes,
I googled it and i think that it should be my CPU fan,
because according to the bios readings the sound starts when i have low cpu fan speed
and when the cpu fan speed goes over 300 the beeping stops.
What can i do ? is it important?



PC SPECIFICATIONS

CPU : Intel Core Quad Q6600

Motherboard: IP35 PRO

RAM: 4GB Ram DDR2 Dual channel x400MHz

Graphics Card: Geforce 8800GT

PSU : Coolermaster 650W (I think)

Operating System: Windows 7 32Bit

Monitor: Samsung Syncmaster 2032BW 20’’

HDD1 : Sata II 320GB Seagate

HDD2: 1ΤΒ Western Digital
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#2
fyrfyter33

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Yes, this could be a problem. If your fan dies and your computer starts, you risk burning up the CPU due to too much heat, hence the alarm. You are probably going to have to replace the fan, or replace the fan and CPU heatsink.

Edited by fyrfyter33, 20 January 2013 - 02:57 PM.

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#3
phillpower2

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Hello johnny15

I suspect that you are correct and that your CPU fan is having issues, when was the last time that the case was cleaned out of heat trapping dust, has the fan been making any odd noises at all such as rumbling or whining.

Download Speedfan and install it. Once it's installed, run the program and post here the information it shows. The information I want you to post is the stuff that is circled in the example picture I have attached.
If you are running on a vista machine, please go to where you installed the program and run the program as administrator.

Posted Image
(this is a screenshot from a vista machine)

To capture and post a screenshot;

Click on the ALT key + PRT SCR key..its on the top row..right hand side..now click on start...all programs...accessories...paint....left click in the white area ...press CTRL + V...click on file...click on save...save it to your desktop...name it something related to the screen your capturing... BE SURE TO SAVE IT AS A .JPG ...otherwise it may be to big to upload... then after typing in any response you have... click on browse...desktop...find the screenshot..select it and click on the upload button...then on the lower left...after it says upload successful...click on add reply like you normally would.

Depending on the results we may need to run further software for comparison.

Screenshot instructions are provided to assist those that may read this topic but are not yet aware of the “how to”.
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#4
johnny15

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actually , i've never cleaned before :D
and i had some noises but didnt pay much attention,
because after some minutes the noises disappeared..
I am going to post screenshots from the program you told me asap

Edited by johnny15, 21 January 2013 - 01:40 PM.

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#5
johnny15

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these are the results i get..
and btw with the instructions you gave me it was piece of cake, great work! :D
speedtest.jpg

Edited by johnny15, 21 January 2013 - 01:51 PM.

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#6
fyrfyter33

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Does this mean your system only has one functioning fan on the CPU? If so,you are taking a huge risk without enough airflow. You definitely need more fans than just 1!
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#7
phillpower2

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these are the results i get..
and btw with the instructions you gave me it was piece of cake, great work! :D
speedtest.jpg


Results are ok but for comparison purposes can you run HWMonitor and provide a screenshot of the results http://www.cpuid.com.../hwmonitor.html

Remove any testing software when you are ready.

Thank you BTW :thumbsup:

RE additional cooling fans: As previously mentioned by fyrfyter33 can you tell us how many cooling fans you have in your case, you may have more than the CPU fan fitted and it is possible that they are connected directly to the PSU and so are not detected by Speedfan.
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#8
johnny15

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here you are :D
and yes i have another fan as you said, its for the psu,
i claned both of the fans and it seems better, i'll post tommorow the results of the cleaning!

Attached Thumbnails

  • hwmonitor.jpg

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#9
phillpower2

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A good clean out does work wonders and should be done every couple of months.

Your CPU temps are in an acceptable range ( Maximum operating temperature ? 60.3°C )

Go into the BIOS and check what temp the CPU overheating alarm is set to activate, while you are in the BIOS I would select the restore default settings and see if the issue is resolved.
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#10
fyrfyter33

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here you are :D
and yes i have another fan as you said, its for the psu,
i claned both of the fans and it seems better, i'll post tommorow the results of the cleaning!


So the only fans in your system are the CPU & PSU fans?
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#11
johnny15

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I have a CPU fan, a PSU fan, and another FAN in the case next to the PSU,
i cleaned the cpu fan and its like new! now the only fan that makes sound is the one in the case,
got to clean this too and i am done :D
but i have to open the case and take everything out to do this,
and i am a little bit afraid :P
thermaltake VA8000 ARMOR Black is the name of the case..
tnx for everything friends!
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#12
fyrfyter33

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According to the original spec, there should be 4 case fans inside your system. Two in the rear, one on top, and one on the front. If any of these are missing, or have died I would recommend replacing them. One key to keeping a computer operating well is good cooling and good airflow.
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#13
Veeg

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That 491c temp has got to be a faulty sensor,your PC would have burned up by now..
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#14
johnny15

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my fault :D i had 4 case fans...
everything is working fine till now,
if i have a problem i will post!
tnx a lot for the help :D
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#15
phillpower2

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:thumbsup:
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