20 Most Recent Sony CPU FAN CPU Fan Questions & Answers

Look underneath your Laptop, you should see some ventilators in the casing, you CPU fan will be near there. If you've got you laptop running, just feel around any of the vents, the heatsink, ducting and fan will be locate close to where you can feel warm air flow.

Try blowing out any dust from around the fan with compressed air. If the fan is turning on and off a lot, this could be normal, depending on your processor, but if the system just shuts down fully and randomly, it would be a heat issue. The CPU is overheating and the failsafe mechanism is to instantly shut your computer down. The only way to avoid this is to raise the CPU shutdown temp in the BIOS settings, or if you can access the CPU, remove it and apply new, quality thermal grease. Also, ensure the fan is operating correctly during use and dont block any air intake or exhaust ports.

When the CPU overheats then it will shutdown (i.e. thermal overload) and won't boot up again until it has cooled down.If this is the problem is not fixed then the CPU will eventually fail.
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.

Hello Faiz

OK, the thing is, if the fan is not rotating at all, you will need to replace it. The problem related to the computer shutting down, is the fact that the CPU overheats, and then shuts down the computer to protect the system components.

SO, if the fan actually rotates, you will need to clean the fan from all the dust particles collected on it. If the fan does not rotate at all, you will need to replace the broken fan.

Hope this can be of help.

Kind regards
Andrea

Buy a can of compressed air, a can of fine mechanisms oil, take the bottom cover off the laptop (only a Phillips screwdriver is needed) and clean and oil the fan.

If you are asking about a desktop PC, yes, they are really cheap and easy to replace. If you are asking about a laptop, it's a little bit difficult. You need to go to ebay and find a replacement fan and some laptops need complete tear down in order to replace the fan or cpu, etc. it all depends on the brand and model of the PC. Some are somewhat easy to reach the fan. I suggest you buy a Notebook cooling pad which cost really really cheap. Some are about $10. Of course there's nothing better than the internal fan of the CPU but it could be an option WHILE you take it to a repair center.

First, ake all the Dust out. I use canned compressed air. You want to blow into the vents and into the computer. You are trying to loosen the dust and if possible get it out of the vents. Next, attempt to **** out all the loose dust via a vacuum cleaner.

Dust inhibits air flow, alot!

The fan assembly can de replaced, not the fan blades.

This is almost certainly a hardware fault - the fan will need to be replaced. This is a job you can do yourself if you are comfortable disassembling the laptop. Otherwise I suggest to take it to a repair centre.

The old addage "you get what you pay for".....It applies here. You can get 80mm to 120mm fans for under 20 bucks, but depending on how fast they have to spool up to keep the processor cool and how well their blades have been designed determines how loud they are, especially if they have been cheaply made....poor bearings and poor blade design equals noise. Bigger fans are actually a lot quieter because to move air they do not have to turn as many rpms. Get the biggest best made fan you can that will sit confortably in the case without interference. Also, download the little program called Speedfan, it will monitor fan speeds and system temps and make adjustments to the fans to keep them in the quiet range when possible.

If the computer detects overheating or fan failure it will shut down automatically. If you replace the fan you should be fine. Remove your old fan and try to get one that connects the same way, some of them connect directly to the heat sink, others to the motherboard.

Hi there,

It is normal for the computer to do this. When an application you are running makes greater use of the CPU, memory, video card, and disk drives, power consumption increases, and the fan either kicks up in speed or turns on. If the sound is annoying, you may be able to reduce the fan cycles by cleaning the dust out of the computer case.

Get a can or two of Dust-Air or a similar product.


Open the case of your computer by removing the screws on the back. Some computer cases have easy-open latches, so you may not need tools. Use a vacuum cleaner to get the bigger dust bunnies out of the case, then use the Dust-air to blow out all of the nooks and crannies. Make sure to blow out the heat sink for the CPU; the vanes tend to clog with dust. Blow off the vanes of all the cooling fans, too. There will be one on the CPU, and probably a few others, e.g., most video cards have their own fans and heat sinks now.

Replacing the case fan with a quieter model, such as a Vantec, can also help:

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=674644&sku=V13-4009

Computer makers build systems with the cheapest parts they can get their hands on, and if you're handy, it's worthwhile upgrading.

Warm regards,

Anirban Mazumdar

No if your surfing, e-mailing, or word processing. Maybe if your gaming, video editing, or intense graphic designing.

The fan's bearings are probably going bad, or there may be some object that was sucked in to cause the noise.

If less than 90 days, it is under Sony's full coverage. Usually the fan runs intermitantly. Check that air paths are not restricted.