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Im about to install a new chipset fan on my mobo (current one is making lot of noise).

When i remove the old one there will be some left-over thermal paste on the chip, right? Should i clean this off? Does it really matter? What should i use to clean it? Im a little concerned about ruining the chip/mobo by using some liquid substance to remove the old paste.

Also, the new fan comes with a peel-off sticker on the bottom, which i assume does the same as thermal paste. So do i still need to add thermal paste or is this sticker sufficient alone?

Thanks.

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- So, cleaning the chip to remove the old paste is a must? Or can the old paste just be left?

- Also, the new fan has a removable sticky cover over some thermal paste type substance. However, its a very thin layer of paste, is it sufficient - or should i be applying additional thermal paste to it as well?

Always remove the old paste be very careful when cleaning the CPU.

If this Heatsink is brand new and there is a pinkish layer type of paste stufff on there don't remove it just prceed with cleaning the CPU, resetting it in the socket, and reapplying the paste :)

Always remove the old paste be very careful when cleaning the CPU.

If this Heatsink is brand new and there is a pinkish layer type of paste stufff on there don't remove it just prceed with cleaning the CPU, resetting it in the socket, and reapplying the paste :)

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Try reading first before posting. :happy:

Using simple rubbing alcohol will do the trick. You should always clean off old thermal paste of any surface that you're putting new thermal contact material on.

As for the new heatsink, I'm guessing that the sticker is a thermal compound of some sort itself. Have a look on the manufacturer's website for more info.

Ok, so when removing the old thermal paste - its ok to rub this thermal paste removal liquid on the actual chip? I just wanna check that becuase it sounds a bit dangerous... :unsure:

As for the new heatsink, I'm guessing that the sticker is a thermal compound of some sort itself. Have a look on the manufacturer's website for more info.

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Ive attached a picture of the bottom of the fan where the thermal compound is.

post-90716-1119097744.jpg

As you can see, it does not cover the whole underside area and is not a very thick layer. So should i be adding additional paste to the fan? Or is that a bad idea to mix the two?

I cant check the manufacturer's site cos its just a replacement fan sent from Asus. Couldnt find the fan on their site.

Ah, the replacement northbridge fan from Asus?

I'd use the pad. It should be sufficient. To clean off any residue you should use a lint free cloth and isopropyl rubbing alcohol. You can get it at your local pharmacy or supermarket. It dries almost instantly and really breaks down the remaining adhesive so you can get good contact with your new pad/paste.

Ah, the replacement northbridge fan from Asus?

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Yeah seems quite a few people are having the same issue with the chipset fan on the Asus A8N-SLi motherboard - it spins very fast and comes loose so it rubs on the grill and makes a VERY annoying noise.

Ive heard you can replace it with a fan-less heatsink, but i dont wanna risk it - i assume it uses a fan for a reason - dont know a lot about cooling stuff tho. This replacement fan is different from the current one on the board so it hopefully wont have the same problem.

Yeah seems quite a few people are having the same issue with the chipset fan on the Asus A8N-SLi motherboard - it spins very fast and comes loose so it rubs on the grill and makes a VERY annoying noise.

Ive heard you can replace it with a fan-less heatsink, but i dont wanna risk it - i assume it uses a fan for a reason - dont know a lot about cooling stuff tho.  This replacement fan is different from the current one on the board so it hopefully wont have the same problem.

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passive cooler is fine on the northbridge. i use the zalman passive cooler and it's amazing. easy to install and cools very well. plus, no noise!

passive cooler is fine on the northbridge.  i use the zalman passive cooler and it's amazing.  easy to install and cools very well.  plus, no noise!

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Is that the Zalman ZM-NB47J Northbridge Cooler? Ive seen some other people say they are using that. Ill install this new fan then look into that.

How do u know that its not damaging the chip getting too hot tho? Because the Asus A8N-SLi board dont have a temp gauge for that chip, does it? :unsure:

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