Question about Dell Dimension 5150 (DIM515MIN) PC Desktop

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CPU Cooling Need to replace the cpu cooling fan with heatsink - can I replace just the fan or do I need to replace the entire unit The fan won't cycle down - very noisy

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As long as the holes match up and you vacum(not blow out) the cooling fans you will be fine

Posted on May 11, 2008

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Asus m32 loud fan

Fan speed does increase for a reason.....heat. Check you BIOS settings and verify that the CPU temp is not getting too high. Desktop computers are dirt magnets. It is common for the CPU heatsink to get clogged with dust and dirt. This will reduce cooling and increase heat, eventually to the point that the fan will speed up. Get some electronic duster (canned air) and blow out the fins on the CPU heatsink. DO NOT remove the heatsink from the CPU. There is a special compound that is on the heatsink surface that allows proper heat transfer from the CPU. Removing the heatsink means that this compound is disturbed and would need replaced. Most users do not have this compound and thus should not remove the heatsink to clean. If the heatsink is so clogged that you cannot get the dirt out with canned air, you may be able to remove the fan from the heatsink, depending on the fan/heatsink design. Then you can use a brush to get into the fins to clean them.

Apr 18, 2015 | ASUS Computers & Internet


How to Cool Down the 140 Watt AMD Phenom 9950

<p>1. Unpack the heat sink and fan. Stock cooling is very inefficient and often very high. For best results, buy a cooling system for compatible third-party processor. <br /> <p><br /> <p>2. Install the processor as shown in the chart in the manual. The processor cannot be placed in the wrong direction, so do not try to force them, so you bend the pins. If the processor slides into the wall pull-down bar to solve. <br /> <p><br /> <p>3. Apply thermal grease to the top of the processor, the entire chip with a thin layer. Bank must have a sink path of the thermal grease applied to them on the floor. If this is the case, skip this step. <br /> <p><br /> <p>4. Place the heatsink on top of the processor. Slide the metal brackets under the beams to reach the plastic housing of the processor socket. If staples are present, pull the clip from the heat sink and fan block. It must be securely fastened and must not waver at all when you try to move it. The heatsink and fan should be pressed firmly against the processor. Read the notes if necessary. <br /> <p><br /> <p>5. Connect the CPU fan in the exhaust of the fan on the motherboard. Consult your motherboard if you cannot find the correct port. The computer will not start if the processor fan is not connected. <br /> <p><br /> <p>6. Reboot and run some CPU-intensive programs like video games. Monitoring the CPU temperature with Speed Fan or a similar program. Under full load, at a temperature of about 60-70 degrees is acceptable. If the temperature is much higher than this, you may need better cooling.<br />

on Jun 21, 2011 | Computers & Internet

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Cooling fan speeds then cpu shuts down

That would indicate overheating ... do the usual checks = blocked vents, dust clogging the CPU heatsink etc ..

Then the less likley, such as a loose fan cable, loose CPU (or other) heatsink etc. (you might want to reseat the CPU heatsink ...)

Still no luuck ? Well, it's time to start unplugging things .. reduce your system to the minimium, maybe some plug-in card is upsetting things ..

If 'none of the above', then it's possible the power-supply is sending incorrect voltages or the motherboard has failed in some way (eg the temprature sensor under the CPU chip)...

PSU's are cheap, so replace that before replacing the motherboard

Apr 08, 2014 | Dell OptiPlex GX620 PC Desktop

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Alert! heatsink not connected and system halted

well YEAH! the cpu has overheated because the heatsink and/or fan over the cpu has to keep it cool. if it overheats(easily done), your system will stop and it won;t start if the fan does not spin. fix the fan/heatsink. it possilby could have killed the cpu too? not sure.

Nov 18, 2013 | Dell OptiPlex GX620 PC Desktop

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How to take the cpu out of a dell desktop

To remove the CPU from a Dell desktop, you first need to unplug the power cable, and then hold down the power button for five seconds to drain any residual power from the computer. Make sure you are wearing an anti static wrist band, or at least touch something metal to discharge any static on your fingers. Next, remove one side of the case. One side is intended to be removed, and is held in place either by two screws on the back or by a latch that is pulled on the top of the case (unless it is a clamshell tower that opens in half). Once open, you should see a cooling fan and a heatsink (metal radiator) near the center of the motherboard. In most cases, the cooling fan and heatsink can be removed as one unit by unscrewing four screws near the base of this assembly. There may also be a plastic shroud around the fan that directs air out that will need to be removed first. Once the heatsink is removed, you can see the processor chip, or CPU. To extract it from the motherboard, you will need to flip a small, thin metal switch beside it that holds the chip securely in the socket it sits in. Once you flip this switch, you can carefully lift the cpu from the socket. If you are replacing the CPU, you can reverse these instructions, but you may need to apply some thermal compound to the cpu to help with the conduction and dissipation of heat.

Jul 20, 2010 | Dell Dimension XPS PC Desktop

2 Answers

I have an HP touchsmart IQ790uk, error message: cpu fan failed

The fan is attached to the heat-sink and can be removed/unscrewed off the heatsink. Take the fan to the computer or elecronics hobby shop for a replacement fan.
The are after-market CPU heat-sink fan assemblies available (these usually provide better cooling than the original units), just remove the existing assembly and take it to your friendly computer shop for a suitable replacement.

Nov 17, 2009 | HP Computers & Internet

1 Answer

Laptop switched off while i was working on it

After the notebook shuts down do not turn it back on for 15 minutes and then test it again. Will the notebook work longer if you let it cool down for a while? Isn’t it hot if you touch the bottom? Can you hear the fan running?
Most likely you experience a laptop overheating problem and it would be fixed by cleaning the cooling module – the heat sink and the fan. The notebook processor produces a lot of heat when the notebook is turned on. The cooling module helps to keep the CPU cool when the laptop is working. The cooling module includes two parts: the heat sink and the cooling fan. The heat sink is attached to the CPU and helps to conduct the heat from the processor to the radiator. The cooling fan blows on the radiator and helps to disperse the heat produced by the CPU. The laptop will overheat if the heat sink radiator is clogged with lint and dust or if the cooling fan stopped spinning.
If your laptop shuts down after some time without any reason and warning, check if the cooling fan spins. Usually it makes some noise and you can hear it. If the fan works fine, then check if the heatsink is clogged. In some cases you can clean the heat sink with compressed air, just blow inside the fan openings on the laptop bottom. If the heatsink is completely clogged, then it is necessary to remove the heatsink for cleaning.

Hope This Helps!!!  Please Don't Forget to Rate my Response!!! Thanks!!!  uva

Mar 25, 2009 | Gateway 830GM PC Desktop

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My cooling fan on my mother board start making noise now as soon as you power up the pc it shuts down could it over heat that quickly or did it ruin mother board?

It is possible to burn out a processor in a matter of seconds without cooling. Please do not attempt to restart the unit, until you replace the colling fan on the processor. If it's not the processor fan/heatsink, you may have lucked out, but don't restart it till you replace the fans.The fan that sits on your cpu is the main concern, if it's one of the others the board should shut down automatically in order to stop this scenario from occuring.

Mar 09, 2009 | Computers & Internet

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