Question about eMachines T5048 PC Desktop

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My cpu fan will not shut off it is so loud should i replace the fan or is there a way to repair this problem

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  • Terri Mar 05, 2009

    Yes i am pretty positive it is the cpu fan. If that is the fan that covers the processor. this fan has been running none stop and very loud for about a week know it is so loud i don't even want to be on it. I have vacuum out the inside and that did not help. should i just replace it or could there be an underliying problem.

  • Terri Mar 06, 2009

    replaced the fan and know all is well. Temp went from 73 to 55 thanks for all your help.

  • Terri Mar 06, 2009

    Thanks for all the help i really appreciate it the replacement fan seems to be doing the trick. temp is down 20 degrees from where it was a day ago. things are running smoothly and i am not bothered by the noise. fan still runs all the time but is very quite.Thanks Again

  • Anonymous May 11, 2010

    The temperrture of your CPU is measured and monitored by your BIOS..I'm sure you are familiar how to enter BIOS..if it is getting a wrong tempature reading then the fan will run more than usual. So that would be something to check out. Also you can check websites like NewEgg that sell quiet fans or cpu fan noise reducers. So there are other options besides having to put up with a loud fan..good luck..if you have any questions let me know..

  • Anonymous May 11, 2010

    Need more info: computer model;how long has this been happening; u positive its CPU fan and not power supply



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Hey give me some of that 4 diamond action..I helped too...:)...thanks glad things worked out, always good to have a happy customer..

Posted on Mar 06, 2009

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Your CPU fan should always be on while the computer is on. If it's off, your computer is going to crach in a matter of time. The noise is normal. If it's to loud, replace the fan. Nothing major. But it is normal for the fan to be loud. Thats a good sign it's cooling the CPU. But you can get a shfter 1. Your computer might over heat though. Good luck.

Posted on Mar 05, 2009


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SOURCE: Loud CPU fan

check your cables. it may be in the way of the fan's fins. also clean your fan for dust.

Posted on Sep 16, 2007

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When the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
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I have a vostro 200 large tower with a g33m02 motherboard. The cpu cooling fan is very loud. (not bearing loud, but it seams to try a lot harder than it needs too for what the computer is doing.) the cpu...

Check your BIOS Settings

CPU Configuration
CPU Internal Thermal Control [Auto]
Hyper Threading Function [Enabled]
Intel(R) SpeedStep(tm) Tech [Auto]

Power>Hardware Monitor
CPU Q-Fan Control [Enable]
CPU Fan Ratio [Auto]
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or you can replace it with Cooler Master XDream

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A faulty fan causes this problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged withdust the remove the dust and make sure the vents are clear and dust free. Use acan of compressed air to do this.

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2 Answers

My computer was making loud noises, then shut down and won't restart. Could it be the fan went out?

It could be the cooling fan to the power supply but it sounds like that went completely out and blew the Zenor Diode or something in the power supply. You can test the voltages coming off the power supply to make sure. If that is what happened you are better off simply replacing it. You can get them at Best Buy for about $40 and it is a simple 4 screws to remove in order to trade them out. Make sure you have the correct connectors for the motherboard. If the Power supply is good then you lost the CPU fan. If the CPU fan went out and the computer will no longer start up you may have cooked the CPU. Again, this is something you can replace fairly easily. The fan should run about $12 to $20 depending on what model you get and what type of CPU it has to mount to. The hard part will be the CPU itself. If it has overheated to the point of burning a connection inside the CPU will have to be replaced and while it should not be soldered on the board the heat sink will be very difficult to get off and when you put the new heat sink on to the old CPU or a new one you will need heat sink compound. Runs about $1 a tube. If the CPU just overheated and shut down the PC should restart once it has cooled if nothing else till the CPU heats back up. Usually takes a couple of minutes but not long. This is actually good news if this is what is happening as it means the CPU is most likely operational and that is the expensive part to repair in an over heat situation. The problem does sound like a blown power supply though. If you have to replace the heat sink and CPU fan once you get the old stuff off and as much of the old heat sink compound off as possible make sure you apply new compound to the CPU. You do this by applying a small amount to the center of the CPU and pressing the heat sink into place, this should spread the compound evenly and thinly over the CPU area and form a bond between the heat sink and the CPU to transfer heat between them. The fan normally attaches to the heat sink and locks down on the CPU. Connect the Fan power wires into one of the power supply sockets and everything should come on when you power on the computer. While you have the case open you should take the opportunity to use canned air to blow the dust out of the case and air circulation holes. Heat and Dust are not your friends in computers. Good luck with your repair.

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You might have a cooling problem due to a fan malfunction. It is not clear whether it's the power supply fan or the CPU fan; in the latter case you might also have a thermal coupling problem. The symptoms you describe certainly seem to point to such.

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check your cables. it may be in the way of the fan's fins. also clean your fan for dust.

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