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Dust on PCB, problem?

post #1 of 11
Thread Starter 
I tend to trust the dust filters on my computer case and just run the vacuum cleaner over them from time to time, never really bothering with dust inside the computer. So my question is; Could dust cause short circuits on a PCB?

Also, can dust cause a bad connection if for example I disconnect the 24-pin motherboard connector for any reason, and a chunk of dust gets in there and I then reconnect without noticing it?
post #2 of 11
Buy a can of compressedair and bl;ow that rig out atleast once a month regardless of dust filters!
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post #3 of 11
Not really .
Clean the heatsinks, and the fans , and everything should be fine .
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post #4 of 11
Dust on a PCB doesn't matter, but yes a large enough chunk of dust can make a bad connection in a 24 pin. But that needs a freaking huge piece of dust. Like a hairball lol
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post #5 of 11
Dust no, hair on the other hand can indeed complete a circuit and cause damage but it would have to be really specific on the contact points to not ground out along the way.

I choose not to use filters and just do a full tear down about every 6 months. I also have massive amounts of pet hair thanks to my Maine Coon...
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post #6 of 11
Thread Starter 
Yeah but the whole pins inside the 24-pin connector (and any other connector for that matter) is the contact area right? So if if some dust gets in there it would most likely still make a connection. Am I right?

Not talking about chunks of dust several inches in size as those would be kind of hard to miss. But just working with a semi-dusty computer in general.
post #7 of 11
Quote:
Originally Posted by Jarv0 View Post

Yeah but the whole pins inside the 24-pin connector (and any other connector for that matter) is the contact area right? So if if some dust gets in there it would most likely still make a connection. Am I right?
Not talking about chunks of dust several inches in size as those would be kind of hard to miss. But just working with a semi-dusty computer in general.

Nothing a quick blow job can't fix...

You won't have to worry unless you are pouring dust in teh connector.
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post #8 of 11
I woudlnt worry about the dust, just give it a cleaning ever few months and you should be fine. Personally i clean my system once a month since my top fans are intakes and acts pretty much like a vacuum.

But by the time you have enough dust to cause a connection or an electrical issue i would think you would have more issues with the dust causing a video card to overheat or just airflow problems in general from the dust building up in the heatsinks and blocking airflow.

Once i loaned 2 of my gtx 260s to a friend for 9 months, he tells me hes having heating issues and that the system would shut down randomly. Go over open it up, and its riddled with dust bunnies (a few 1 inch in size). Looking at his cpu and the heat sinks in the GPU i could see dust make pretty much a barrier that air couldn't get through (had to take appart one of my 260's to clean it out since compressed air didnt cut it), although for some reason his place is extremely dusty.. kinda scarry. But in his case at least with all that dust, didnt have a short, just alot of over heating that once cleaned out he didnt have any issues.
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post #9 of 11
the PCb will be fine as most everything is soldered. You want to make sure that if you do remove a thing and put it back in if it doesn't work it might be the dust.
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post #10 of 11
Thread Starter 
Alright. Hopefully my new case and fan setup will keep dust out. The case have dust filters on every intake fan and I will try to keep a positive airflow ratio.
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