Question about HP Compaq d530 SFF PC Desktop

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Uncontrolled CPU Cooling Fan Speed

CPU cooling fan speedis always constant. Earlier it is changed according to CPU loading.

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Re: uncontrolled CPU Cooling Fan Speed

Here is the link for all the various support manuals, software and instructions for your PC if you need them; CPU fans should be plugged into the CPU fan power socket on the motherboard, in order to receive variable speed control instructions. If the fan has been incorrectly connected to a different motherboard fan socket, or directly to the power supply then it will run at a constant speed. If it is correctly plugged in to the correct socket, then the hardware management software (there are many possible options here - please post back with which management software you are using and I can give more specific instructions) that comes with the PC should allow you to change the settings - you can change the temperature range at which the cpu fan will go into higher speed mode - it sounds like you may have this set too high You should also be able to control the fans from the BIOS set-up menu - this should be accessible when you boot up. usually it will be by pressing F8, but all systems are set up slightly differently. watch the screen as you boot up and it should give instructions for this. Hope this helps, please give more details of how your machine is set up if you need more specific help :)

Posted on Sep 07, 2007

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Re: uncontrolled CPU Cooling Fan Speed

The problem with this model is dust. Remove the fan and heat sink, clean out all the dust. The fan will run at variable speeds again.

Posted on Nov 22, 2007

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How do I check the CPU cooling fan setting ? How do I access the TV tuner ?

Is it full of dust and the motherboard has maxed the speed in an attempt to cool it? Otherwise, go into your BIOS and confirm that the fan speed controller is enabled. The Control Panel in Windows may also have a setting.

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I think if the CPU run always on full speed and the noise is evident and bothers you means that it has something that force the CPU to run on a higher temperature than normal one ..
This can be the environment or a heat source you use in the room ..or just dust covering the heat dispenser and making necessary for the fan to run faster to compensate .
running the system for long hours and having a high temperature in the room is probably the cause..To avoid damage ..try to clean teh heat dispenser (the aluminum part under the fan )..or at least to remove teh system cover and leave it cool better can also install a second fan and this way assure a better cooling for the CPU ..

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My computer runs constantly its loud and annoying

I assume you mean the cooling fan on the CPU, this model uses a smart fan technology, it is meant to spin up faster to provide cooling. If is is doing tis constantly, it means the CPU is not getting adequate cooling (overheating), to check this, remove the side panel, clean all the dust and debris build up from the cooling fan and see if that helps

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My Compaq Presario SR2172NX desktop fan keep

Its good to keep like that since PCs need cooling regularly. Not like laptops. Laptops are designed based on architectures which provides cooling internally. Using copper pipes is an example. Anyway there are ways to control the fan speed. Before that check which fan that runs constantly. There are several fans in a system unit. Such as CPU fan, Graphic controller fan, chassis fan, extra coolers. First thing is that you have to adjust your power scheme. Go to control panel and then power options. Select appropriate settings.
If you use Vista as the OS this is a common problem since its visual effects eat the cpu. Specially that side bar and other things and drivers.
Check whether you have a process which is using 100% cpu using task manager. (Processes tab in task manager). If so either you have to stop it or terminate it of its a hanged program.
There are options to control the fan speed in your bios. Check the bios. To enter bios you can use one of these keys. Del, F2, F10 or Esc. One will let you in. Check the fan options and specially for a QFan option. You have to adjust the settings to control the fan. Finally there are hardware controllers which controls the fan speed near the fan (built in to the fan or near the fan's plug on the mother board). You can adjust them if you need to.
Please rate the answer if it helps you to overcome the issue. Thanks for contacting Fixya

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My computers cooling fan keeps speeding up and slowing down is that a good thing or a bad thing

I'm assuming your desktop has an AMD processor?
AMD have a process called "quiet and cool" this basically speeds up the fan when the processor is under load and getting hot or slows it down when the processor isn't working as hard.

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1 Answer

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Expert level fix: Remove P.S.U. Remove C.P.U. fan and vacuum. Remove C.P.U. cooling fins from C.P.U. and cooling fan mounts from fin box, vacuum. Reassemble C.P.U cooling system. Replace P.S.U. with O.E.M. part only since in this case it is proprietary to the unit.

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Uncontrolled CPU fan speed

Make sure you have used the proper Fan connection on the motherboard and that you used all the pins in it. Usually it consists of 3 to 4 pins for CPU fans. Does your Fan have 3 pins? If not then it is not compatible for Fan Speeds. Also check your BIOS for Fan adjustments. Hope this helps.

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