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Modding a dell dimension 4700 for better airflow (56k: get faster internet, bro)

post #1 of 40
Thread Starter 
I have an old dell dimension 4700 laying around in the corner of my room. As it sat there day by day, I started feeling sorry for it. I decided to celebrate its outdated-ness by giving it some good airflow.

PROJECT BUDGET $0.00

Yes, I'm doing this without spending anything. I already have the fans I'll be using, and I'm getting some new TIM for free from a relative. The reason I'm not willing to spend any money is that I still need $300 to finish my personal rig. If you'd like to donate, feel free to do so via paypal. I'm not telling you to donate money...I'm just letting you know

I won't really be using this computer, just fixing it up out of boredom and interest. I felt like I needed a challenge. Plus, I might be able to get a good $200-$250 off of this computer on craigslist, especially with the improved temps I'll likely be seeing.

Here's what we started with (this picture was found on google images, but it's exactly how mine looked at first):



Mounting the cpu fan on dell's itty bitty heatsink with zipties



Adding a 92mm tricool to the back for rear exhaust





After mounting the tricool and doing some cable management, we have this:



I still have to replace the stock TIM, then we're good to go.
Edited by Spritanium - 9/6/09 at 10:14pm
    
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post #2 of 40
Yep. Put a fan on it.

You could also make a shroud for the exhaust fan to help guide air through the heatsink
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post #3 of 40
Upgrading the TIM might not be a bad idea either, assuming that you have some laying around.
    
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post #4 of 40
Put a 120mm fan blowing outside air in from the side panel you have off in the picture. Maybe duct it with a fan adapter to blow directly on the heatsink. Remove the green shroud and reverse the rear fan (I see you've already done this). Upgrade the thermal paste on the CPU and call it a day.

If you could mod the rear fan to a 120mm that would help, too but if not I wouldn't worry about it.
Edited by WarlordOne - 9/5/09 at 1:03pm
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post #5 of 40
LOL I have one of those cases sitting next to me on the floor. My father in law fried the MB so I threw an AMD rig in it. Needless to say the dell cases really suck for ventilation so when I upgraded I bought a new case and gave him my old one. I think the best thing you could do would be mod the side panel for a 120mm or bigger fan.
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post #6 of 40
Thread Starter 
Quote:
Originally Posted by WarlordOne View Post
Put a 120mm fan blowing outside air in from the side panel you have off in the picture. Maybe duct it with a fan adapter to blow directly on the heatsink. Remove the green shroud and reverse the rear fan (I see you've already done this). Upgrade the thermal paste on the CPU and call it a day.

If you could mod the rear fan to a 120mm that would help, too but if not I wouldn't worry about it.
Again, it's not my picture, it's just a picture of the computer I'm talking about.

I'm not quite sure what you're saying, but I don't really want to have a duct on the side panel. The side panel couldn't be removed without the cpu overheating.
    
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post #7 of 40
Make a shroud connecting the rear fan with the heatsink.
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post #8 of 40
Stock cooling is fine for that system.
    
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post #9 of 40
Thread Starter 
Quote:
Originally Posted by dM@n View Post
Make a shroud connecting the rear fan with the heatsink.
That's how it usually is. The rear fan sucks air onto the heatsink, then releases hot air into the case where it stays.

Quote:
Originally Posted by boie View Post
Stock cooling is fine for that system.
I beg to differ.
    
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post #10 of 40
Quote:
Originally Posted by Spritanium View Post
That's how it usually is. The rear fan sucks air onto the heatsink, then releases hot air into the case where it stays.



I beg to differ.
Does it crash from overheating. OC or stock?
    
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