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Shutting Down or Leaving On?

post #1 of 21
Thread Starter 
I put my computer together in March. I would say around June or July I took a can (or two) of compressed air too it and for the most part got all the dustballs out.

I recently did the same thing and man is it disgusting in there. I have about 12 fans that need to be sprayed and I would say at least 9 of them provided absolutely unsanitary results. I have five front fans sucking air in. I have 6 top radiator fans blowing air out. I have a back fan blowing air out. There are two large ventilation areas on the right side of the case (when facing the front) in which the PSU mildly blows out of.

The top 6 radiator fans were probably the worst as the dust accumulates in the radiator fringes (or whatever they're called) - though they're also the easiest to blow out. Some fans literally had two or more cotton-ball sized dustballs, sometimes even larger and of course residue of stray hair, dust, cat hair, fuzzies, etc.

Three of the front left fans were also really, really bad. They were also very difficult to clean. I literally had to sit there picking things out of the fan. All of this after only 7 months.

The whole case still has a "dusty" feeling to it now which, for the most part is my fault as I never learned how to solder so I have fan wires and whatnot collecting dust as well.

I mean, it used to sit under my desk (on my carpet, gasp!) with the front fans facing towards me and the top fans blowing out. Now I have a CPU pedestal that it sits on which keeps it about two inches off the ground on a piece of wood instead of the carpet. My new desk also does not have enough depth for the front of the case to face me, so the window side faces me which means there will be no air getting sucked in from my side. The front fans face the back side of my desk (hard to explain). The PSU side with the ventilated areas now blows out toward my wall - there's over a foot and a half of room for circulation back there and it's isolated from the more used part of the floor.

Long story long (lol...), I was wondering if shutting my computer off at night rather than leaving it on would help to diminish the dust that collects inside of my computer? Would this be better for it?

Do you think this new CPU pedestal will help to keep dust levels down or is it just a "fad" type of thing? I would put it on my desk if my computer wasn't two square feet.

Would the new positioning of my case help to prevent dust, etc. from getting in there or is that just in my head? Will it just get sucked in anyways?
post #2 of 21
Raising it off the floor is definately benneficial. Have you got any filters installed on your intakes? Can save a lot of dust as well.

I never shut my computer down, but doing so would reduce the fan running time and reduce dust intake. However, depending on your setup, you could get a fan controller with temperature monitor so your fans only spin up when really required, that way when your just web browsing etc your fans aren't going to be sucking a lot of air in.
     
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post #3 of 21
The longer it's on, the more dust it collects I would think. Plus, Do you need to leave your PC on overnight? I understand if you are folding but I don't see a postbit. You could always just put it on "Sleep" so you don't have to always boot it up and you can just pick up where you left off.
    
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post #4 of 21
Yes it would certainly help to leave it off. Consider buying some dust filters...they actually work really well (but they do restrict some airflow). They're about $4 per 120mm.
post #5 of 21
Being on the carpet doesn't help either .

But, turning it off or putting it to sleep would help reduce it. Also, fan filters would also help. Depending on what fans you have, you might notice some restrictive airflow.
post #6 of 21
Off the carpet would be a great step forward.

I put my rig to sleep when it's not being used, and leave it on once in a while for 24 hours or so for garbage collection to run on my ssd's. Still, dust just loves to find its way in.
post #7 of 21
i run a dust/hepa filter in my room everytime i walk in it. im shocked at how much dust STILL gets in my computer but not as bad as it was. you'd be surprised at how much a hepa/air filter helps.
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post #8 of 21
Thread Starter 
Yeah it's off the carpet now. It's on a CPU pedestal about 2" off the ground. Why would this make such a big difference, it's still down there?

Also, I was looking at filters but I need something simple, preferably just something that snaps onto the front of the fan and I'm done. I have ~1500RPM GentleTyphoons so I don't want anything that really impedes airflow, just something that will stop the "icky stuff" from getting in there.

Thanks guys.

Any suggestions?
post #9 of 21
The only real concern here is dust.

In a typical PC case, there is an opening on the bottom at the very front. This is an air intake.
Of course, you likely don't have one of these if you have fans situated at the front of the case.

Anyway, if you do have an intake there, you don't want to cover it with carpet for two reasons:
1) your computer wants air, and needs it for proper heat dissipation
2) if it's actually on the carpet (instead of being held above the carpet) you'll get an awful lot of fibers getting pulled into the case, meaning an awful lot of dust.
    
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post #10 of 21
Well, it won't be trying to suck your carpet in I suppose...lol?

These filters attach magnetically.
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