Really, you should go to the Newegg.com web site. It's very good and have competitive prices. You'll find great descriptions, plans, etc for your system. You can get your CPU heatsink in one day! Every component has specs to tell you what socket type and products that are compatible with a system.
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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.
The computer will shut down if the CPU overheats, this is known as thermal shutdow. If this is not fixed, eventually the CPU will fail.
This problem is caused by either a faulty CPU fan or the CPU fan and heatsink are clogged with dust.
Check the CPU fan, if it doesn't spin freely, then replace the fan.
If the fan and heatsink assembly is clogged with dust, then remove the dust and blow the dust off the heatsink with a can of compressed air.
There is a verity of things you can check & or replace. You mentioned the CPU fan is not turning. This is very very important.
This suggests possible CPU fan is defective. Average life span for a CPU fan is 5 years or 50,000 hours. Your MB uses Intel PGA socket 478. For a replacement heatsink & fan assembly open the link provided; http://www.amazon.com/Thermaltake-A4012-Cooler-Intel-Socket/dp/B000FEW8JW/ref=dp_cp_ob_e_title_0 A new heatsink assembly will come with a new fan attached to the heatsink. It should also come with new thermal past or thermal tape attached to the bottom of the heatsink assembly. As to the front panel LED light blinking continuously. If the LED light is red in color this means your primary hard disk drive is trying to load windows. My suggestion is for you to replace the CPU heatsink assembly first. No need to remove the CPU from its socket at this time. If you never replaced the Heatsink & fan assembly watch the video included below; http://www.youtube.com/watch?v=4OB1hxxKdec Once completed your system should function correctly. If it doesn't, post you’re finding here & I'll help you further. Cheers' Mike
The heatsink is probably stuck on with the cooler compound. If it's really stuck on, then I would release the CPU brace as well and pull the CPU out with the heatsink. Then carefully wedge something sharpe between the heatsink and cpu, like a razor blade and slowly push the blade through the compound until it's unstuck.
The best thing you can do is replace the fan itself with a like kind of shape and size. I usually do this by going to a computer store with the old fan and matching it up with the ones they have in stock, or measure the size in milimeters and buy one on line. The fan is held on by 4 screws and it is much easier than trying to remove the heat-sink and take the chance of damaging the motherboard. You can just screw the new fan to the old heat-sink and you are done, plug it in and insure the fan is blowing in the right direction and you are done. Good Luck, RAC
Most likely from the back (the underside) where the fan/s are located. You will need to remove the fan/heatsink to get to the CPU. The CPU is locked in place with a zero insertion socket, you need the turn the locking screw 90 degrees to release the CPU.
Be careful when you insert the new CPU, there is a notch that indicates the orientation of the CPU to the socket.
After installing the CPU don't forget to put some heatsink compound on the CPU before installing the fan/heatsink.
Hi, have you tried removing the CPU and using a Air Jet Spray can to clean all contact pins and pin holes?
The problem sounds like a loose chip. So also check all on board chips are seated, including RAM chips. Air spray can be bought from most Computer stores.