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Re: when i plug-in the computer, the processor's fan...
This does sound extremely like an overheating problem.
There are two parts to fixing this problem. First is to take th side off the computer and check for dirt build up around the fan and power supply.
If you see a build up then get yourself a can of compressed air for cleaning computers and then take the unit outside. Now with the nozzle on the can and whilst wearing glasses spray all the builds up out of there. DON'T poke the nozzle inside anything.
Now look at the cooler first. Computer are designed nowadays to shut themselves down if there is a problem or speed up the fans.
What you should do is check the fan assembly and if it is loose at all that would give good reason to do what I am going to advise. Disconnect the fan from the board. Check your manual for the exact instructions but you should remove the cooler completely
DO NOT REMOVE THE CPU
Now with nothing more than isopropynol and cotton bud sticks or another alcohol based cleaner remove the old thermal grease / sticker from the top of the CPU (make sure it is clean)
At this point it is up to you but you could consider a newer better cooler You could take your old cooler to a good computer shop show them it and just ask for a better one
If you are using your original cooler then here we go Do the same with the underside of the cooler. While the cooler is off it may be worth giving it a good 8low job . Now apply some new thermal grease (most computer shops have it) Be careful about how much you put on
Once you have re-assembled your cooler and re-connected it check everything is OK and power up the computer. If everything went to plan you should now be back in business.
Another consideration is that many cases have places in them for extra fans and usually extra connections on the motherboard too. They are quick and easy to fit. Quite often I will fit TWO in what is called a push/pull configuration. One pulls cool air in while the other pushes hot air out
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Shut down sporadically, caused by rising temperatures on the processor (processor overheat). Processor overheat, caused by damage to the processor fan. Processor fan function to reduce the processor temperature.
Possibilities and solutions 1. The possibility of sluggish processor fan. Processor fan spins, with a low speed, so it can not reduce the processor temperature. Solution: clean the processor fan with a vacuum cleaner, or replace the processor fan. 2. The possibility of fan processor die. Solution: replace the processor fan.
The characteristics of damage to the processor fan After the laptop is turned off (more than 1 hour), the laptop can turn on and survive + - 30 minutes. In the period of + - 30 minutes, the laptop died suddenly, because the processor temperature exceeds safe limits (shut down temperature).
How to check Laptop is turned off (more than 1 hour), then turn on. Download and install software to check the processor temperature. Ex. Real Temp 3.60. See the change in temperature. If the temperature continues to rise, it can certainly cause damage to the processor fan. - Normal temperature, when first turned on + - 38oC - Normal temperature, after turn on for hours 40oC - 45oC - Temperature overheat processor, when first turned on 60oC - 65oC
There are 2 basic fans in Dell tower one for the power supply and the other for the Processor. If your computer is not booting then the Processor fan is most likely to be the culprit. What could be happening is that the Processor fan is no longer turning fast enough to cool the processor, so normal the processor when it over heats there is either protection to switch off the computer automatically or the computer won't boot. The best thing is to change the fan and make sure it is working properly but checking on the cables that they won't entangle on top of the fan to impede it's movement. You can easily damage your processor if the fan is not working properly.
Turn the computer off.
Remove the side-panel, to expose the motherboard.
Turn the computer on.
When you see PRESS <blah> TO ENTER BIOS SETUP, press the <blah> key.
Use the "arrow" keys to move around the BIOS SETUP menu,
looking for any "system health" menu-entry.
Press the "enter" key to select that menu-entry.
It should report the current motherboard temperature, and the current CPU temperature,
and the temperature-limit, beyond which the motherboard will force a shutdown.
It may also report the speed of the power-supply fan, the case fan (if installed), and the CPU fan.
Also, take a look at the fans, to confirm that they are spinning.
Replace any non-functioning fans.
The shutdown is probably due to hardware overheating. Make sure that your CPU fan is automatically increasing in speed when the processor is being used. You should hear the sounds.
It is possible that the fan controller may not be working or the fan itself is going bad. When dealing with retail CPUs, its always best to purchase an aftermarket CPU cooler.
Hope this helps!
1. You have to check your PC power supply unit whether it is functioning properly or your AC power source is ok.
2. Your system maybe badly infected with dangerous objects, like root-kits, malwares, virus, trojans and etc........
Hi, It is best to change the fan and heatsink. Make sure you clean the processor and apply a very thin coat of thermal compound (arctic silver) to the heat sink if it is not supplied. Newegg.com lists may cooling fans & heatsinks based on your socket configuration
The reason that your AGP card fans are on and your drives are on is simple because those devices have power. If the fan on the processor isn't working, then look for the wire that rut ns out of the fan and into the motherboard. Make sure that's plugged in. If it's not, then plug it in, but if it isn't this most likely means that your Heat Sink/Fan is broken. I woulnd't start your computer if the fan isn't working because your processor might overheat. One thing, if it doesn't beep, that means that it's not posting, which means start up tests are failing. Right now it seems like your processer is the problem right now, but I would take it to a repair center just to be sure.
In either case, it could be one of your fans is not functioning. There is a fan on top of the heatsink on the CPU. If it's not turning then the CPU will shut itself down before it's destroyed...this is a good thing. If this is a desktop then the case fan may have failed. Make certain both of these fans are turning. You will need to open the computer to see the CPU fan.
If they are both turning then it's possible the CPU heatsink fins are filled with dust. This prevents airflow. If this is the case, use your vaccuum cleaner to get the dust out. This will be much easier if you have a desktop, opening laptops is more involved.