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When using compressed air to clean CPU

post #1 of 10
Thread Starter 
Well my rad is filled with dust so i'm using this to remove it

http://product.expotv.com/3/2/3/323041_150x150.jpg

i'm just a little concerned/scared because when i was using it to clean dust from my case it look like a liquid was coming out. I mean whenever I sprayed it was moist. This can't be good right? I feel stupid because i've never done this before and I'm not sure if that's what's supposed to be happenign.
post #2 of 10
You should be fine. The contents of the can are pressurized and are liquid inside the can, and the liquid isn't water or conductive, it's safe for electronics. Once you've emptied the can a bit the liquid should stop coming out.

Also, make sure you're holding the can upright and not sideways or upside-down, that encourages it to spray liquid instead of gas and you'll use it up faster.
post #3 of 10
The "liquid" evaporates immediately.
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post #4 of 10

May I suggest

?
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post #5 of 10
just hold it up right, thats what the long bendy tube is there for - to get into places.
most canned "air" is really some other nontoxic nonflammable(or at least low flammable) gas and if the liquid does come out it it wont instantly destroy everything but since it does evaporate quickly it means its cooling the surface its evaporating off and could cause cold damage to brittle components by cracking them so careful!
post #6 of 10
Thread Starter 
ok, done but slight problem. the rad fan doesn't work anymore :/ I plugged the 4 pin thing into the 3 pin connector where it was before but it doesn't start spinning when i turn teh computer on. Is it possible I put it on the "wrong" 3 pins out of 4?

edit: fixed it, but I have no clue why it works now, I'd still like to know if it was because i chose the wrong 3 pins, or was the connector upside possibly? But temps have gone from 70c(rediculously high i know) while playing games, to 55c in prime 95!
Edited by venomblade - 8/10/11 at 2:15pm
post #7 of 10
Thread Starter 
Quote:
Originally Posted by venomblade View Post
ok, done but slight problem. the rad fan doesn't work anymore :/ I plugged the 4 pin thing into the 3 pin connector where it was before but it doesn't start spinning when i turn teh computer on. Is it possible I put it on the "wrong" 3 pins out of 4?

edit: fixed it, but I have no clue why it works now, I took it off and put it back on. I'd still like to know if it was because i chose the wrong 3 pins, or was the connector upside down possibly? But temps have gone from 70c(rediculously high i know) while playing games, to 55c in prime 95!


anyone have any insight on this? I'm building my own rig soon and don't want to to happen again.

edit: my bad double post, meant to bold my other post not make another
Edited by venomblade - 8/10/11 at 9:09pm
post #8 of 10
I used an airhorn that did that. And it was freezing cold.

As said before, it should be ok, just try to keep the can upright.

Quote:
Originally Posted by mott555 View Post
Once you've emptied the can a bit the liquid should stop coming out.
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post #9 of 10
the liquid is there to help produce pressure ur fine
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post #10 of 10
Yea its just The pressure inside the can. If you still are scared Just unplug and power down your computer for 5-10 mins Then use the air. That way even if it could fry something It it wouldnt because theres nothing going thru the chip. Thus cant fry unless you turn it on while its wet
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