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Originally Posted by superiorrain
How would you clean a laptop fan? or make it queit down?
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Take the laptop apart, a tricky process. No two are alike, things are located in various places, or atleast that has been my experience. So basically, you don't.
As for the your PC... yeeeaaahhhh. Over the Summer I had to do work on some of my friends' computers (graphics card upgrade, DVD-RW, hard drive replacemment) and almost had an asthma attack when opening the suckers. People just don't realize what a problem it can become. Just taking a can of compressed air to the inside every 2 months or so can really prolong the life of any PC, just be sure to turn it off first. And power supplies and chipset, CPU, and GPU heatsinks are all notorious for being overlooked. I've actualy drained a few PSUs, taken them apart, and removed gobs of dust and hair by hand before blowing the rest out with a can of compressed air. All that dust build up takes effect on ball bearings in the fans and keeps the heatsinks from properly doing their jobs. And the more fans you have, the worse it is. But don't let that keep you from putting them in.
And smokers are gluttons for punishment when it comes to this. The tar and ash in the cigarette smoke combine with the dust make for a long cleaning when neglected. The PC my dad had when he passed away had only been in his house for a couple of years. This is one of the PCs whose PSU had to be taken apart. You could look through the vents with a light shining on them and see nothing but this brown dust. Now wires, no conductors, no heatsinks, just dust. After taking the whole thing apart, I had to scrub off the "smoker's dust" from many components with Q-tips and Isopopyl alcohol (as to not ruin any circuits or cause water damage). The various fans and heatsink were most difficult. The dust on the fans had actually caked on to the point that compressed air wouldn't remove half of it. I guess the tar acted as some sort of adhesive.