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A surprising PC speed culprit: dust

Whether you realize it or not, an enemy of your computer's performance is dust. Over time, your fans will pick up dust which collects on the components, the heat sink and on the fan blades themselves. Eventually, this impedes cooling and can cause your machine to run hot, reducing efficiency. It can also gum up the working mechanism of the fans, causing them to overheat or seize.

The issue? One you probably think about every day: how do I speed up my PC?

As a case in point, I have an old Toshiba A70. Over time, the fans and interior of the computer became gummed up with dust, causing the computer to overheat and shut down. It couldn’t be restarted until it cooled down. At one point I bought a laptop cooling device, but the dust was the real problem. Here’swhat I did to resolve it.

Step one was to turn off the computer, then unplug it. Secondly, I got a large can of Dust-off with a tube to guide the airflow (a similar product will do). Use this to clean the inside of your computer, including your fans, heat sink and power supply.

very dusty pc.jpeg
This is one dusty PC!
I don’t recommend an air compressor unless it has a moisture trap built into the line to prevent condensation. The condensation (water) could damage your computer. Also, don't crank up the pressure. Something around 20-30 PSI is probably enough.

When I cleaned my laptop for the first time, I was amazed by the huge cloud of dust that appeared. Blowing it out a few times (as well as the fans) did the trick. In a few minutes it was clean. After that, the machine booted up and ran well. It got warm, but not hot enough to shut down. After that, I didn't need the laptop cooling device, either.

CAUTION: Don’t use a household vacuum cleaner. You could seriously damage your components. I know of one case where a woman used a vacuum cleaner. It turned one of the fans into a generator and destroyed the motherboard. Don't let this happen to you!!

I hope that this helps you speed up your PC so it boots and runs faster. Like any other precision instrument, it does require periodic maintenance.


Contributing writer Nathan Segal is the author of: "How to Speed Up Your Computer: In 30 Minutes Or Less." Download his number one *free* tip from: speed up my computer now.com


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Categorized: Articles and Reviews   (Article 8791, Written by )
Tagged: microsoft windows, pc performance, speed up your pc
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Reader Comments To Date: 6

Dan said, on March 11, 2009 9:47 PM:

Seems like compressed air could also turn a fan into a generator.

WeekendMedic said, on March 17, 2009 9:13 AM:

Interesting that the writer doesn't encourage vacuum use - I work in the medical field, and our biomed staff use vacuum cleaners regularly to clean our PC based equipment - works great. Now I'll have to find a spare fan, hook it up to a meter, and spin it using air and vacuum to see if it generates a current dangerous to the power supply...

Yanyan said, on March 30, 2009 4:36 AM:

By PC, do you mean desktop or laptop?

Dave Taylor said, on March 30, 2009 7:34 AM:

Yanyan, generally the author is talking about PC desktop computers, not laptops, but I suppose if you're in a high dust environment it's quite possible that you could have dust issues in your laptop too. In any case, keep it clean!

Adventurous Wench women's travel said, on April 7, 2009 8:36 AM:

I've heard of bugs living inside computer and causing it to malfunction but I didn't know dust can slow down a computer. Good post!

sidekikkDAVE said, on April 10, 2009 7:23 PM:

Great advice! I've developed a habit to dismantle my laptop and give it a good cleaning about every six months or so. I only recommend this to those who may be mechanically inclined and have confidence in what they are doing. If not, there are places where you can have it professionally done. Anyone using their PC or laptop in dusty or smoking environments are encouraged to clean 2-3 times a year.. trust me...if you notice the laptop is hotter than usual when on your lap and seems sluggish, you need to dust it out. cheerio!

Starbucks coffee cup I do have a lot to say, and questions of my own for that matter, but first I'd like to say thank you, Dave, for all your helpful information by buying you a cup of coffee!

I do have a comment, now that you mention it!











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