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PC cooling thread.


piper

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Good one, Alekh. I see that the backplate was fit with screws. Is it the same case for EVO (and N620) ?

 

No, invert the system. Imagine the backplate with just the grooves to hold the screws that hold the heat-sink down.

 

Also there are no bridge structures like pictured by Alekh Sire in the Hyper T4 connecting two of the screw posts together.

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^^ That bridge like thingy fits like a jigsaw on the base of the HS and then locks via lever on the retention plates. Just make sure the RPs are fixed upside down. Pretty easy to setup.

 

Yes made the mounting system nice and utilitarian, in-fact for AMD you do not need to remove the mounting system, the tower will directly boot-strap onto it.

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  • 7 months later...

Refer to this post in the Gaming PC thread(I could've continued the discussion there, but felt like reviving this great thread). Basically, I have 2 GigaByte 7950 Windforce cards in crossfire, which are overheating like sh*t(for example the upper card reaching 90 degrees celsius at 72% load in Hitman). As there is very small space between the cards, it seems hot air which get stuck in that cramped space is furthering my woes, which is why I have decided to install some more fans strategically inside the case. I am with stock fans now, but have got a Aerocool 140mm, and a Cooler Master 120mm fans. Currently I believe there is one 200mm exhaust fan on top, and 1 120mm exhaust fan on back, while 2 120mm fans on sidepanel for intake. Post your suggestions on how to use all these fans in the most optimal way. I can buy more fans next month.

 

PS: I'll most probably remove the small HDD case between the PSU and the usual HDD case when installing the new fans. Would've removed the usual HDD cage altogether but I'm not sure if it's removable.

 

Check out the above referred post for more pics.

 

juea.jpg

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@Phenom : Those two side fans, where do they point the airflow once you cover the chassis?

 

1. If a side intake fan is directly pointing towards the graphics cards then it helps bring down GPU temperatures. Side effect is greater dust accumulation.

2. Make sure you have cleaned (dusted) the GPUs thoroughly. This should be done regularly.

 

My peak-load GPU temperatures dropped by 10 degrees after I spent 10 minutes dusting it as well as I could. I did that in broad daylight so that I would be able to see any areas I missed. Be careful especially with the the GPU fan(s).

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None of those side-intake fans point directly at the GPUs. There is slot for 200mm fan directly in front of the GPUs, I'm apprehensive about using it as it'll destroy the visibility from outside(besdies the fact that I'll have to hunt for a NZXT 200 mm fan, as only that one fits there, which is a known issue with my cabinet), but will go for it if nothing else helps. Those two stock intake fans are both in the bottom right of the side panel, and so push air into the bottom of the cabinet(towards the bottom of the HDD cages). I was thinking of putting a 120mm fan perpendicular to the side panel just across the the GPUs(that is attach it to the wall of the HDD cage) to pull air from between the cards, and have another 120mm fan on the floor of the case(where the smaller HDD cage sits now) to push that sucked air towards the upper part, from where it can be exhausted by the top 200mm exhaust fan(I may need to invest in another 200mm fan for the top). And that 140mm fan will go to the front of the case as an intake fan.

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I've never cleaned the GPUs properly, except sometimes with a cloth. So I guess I should do that now. What would I need for that? And I don't think a smaller fan will fit there. Is it a good idea to invest in a 200mm fan for that?

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I've never cleaned the GPUs properly, except sometimes with a cloth. So I guess I should do that now. What would I need for that? And I don't think a smaller fan will fit there. Is it a good idea to invest in a 200mm fan for that?

 

What screws secure the GPU coolers onto the PCB, are they Philip heads, if yes then you can unscrew them and do a much more thorough job.

 

I did it recently on my card, images are following.

ifsv10.jpg

 

 

 

70us2a.jpg

 

 

The hand-pump Piper Sir has linked will come very handy, and to clean the PCB and electronics physically nothing better than surgical spirits (available at Chemists).

 

Also a jugaad attempt to stem the amount of dust my cabinet ingests in Delhi, will open the side-panel this weekend to check the veracity of same.

 

260yjoj.jpg

 

Also, are you 100% sure that only NZXT fans are supported by your side-panel, check for grooves and other mounting holes as Piper Sire suggested.

 

2efn96c.jpg

 

Hope this helps, Cheerio!

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I'll be putting a 140mm intake fan there.

 

That cage will be removed, and I was actually thinking of putting a 120mm fan on the bottom floor of the cabinet at that location, which will blow air towards the top(see my second last post about what I thought I'd do).

 

No fan at that location now, but there is a slot for a 200mm fan at that place on the sidepanel. And I have read about this issue of only NZXT 200mm fans to fit there(and on the top also).

 

I have a proper dust filter(provided by NZXT) in case I mount a 200mm fan there.

 

I'm not sure how the GPU cooler is attached to the card, I'm only able to see two Philips-type screws on the right end(the left end is not visible without removing the cards). Given that I can unscrew them, won't I have to re-apply thermal paste, and doesn't that void my warranty?

 

PS: Any idea if that air blower thing can be bought locally?

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Alpha, I have very similar mesh and have been thinking the same thing for a while now because the GPU intake fan I have placed, does not have any mesh and every third day there is a ton of fine dust on the outer side of the cabinet there.

 

Will do this jugaad pronto.

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Alpha, I have very similar mesh and have been thinking the same thing for a while now because the GPU intake fan I have placed, does not have any mesh and every third day there is a ton of fine dust on the outer side of the cabinet there.

 

Yeah! Ask the lady of the house for a refrigerator vegetable bag. That is what I have commandeered for the purpose.

 

I was thinking of muslin cloth initially but that is too fine.

I'll be putting a 140mm intake fan there.

 

That cage will be removed, and I was actually thinking of putting a 120mm fan on the bottom floor of the cabinet at that location, which will blow air towards the top(see my second last post about what I thought I'd do).

 

No fan at that location now, but there is a slot for a 200mm fan at that place on the sidepanel. And I have read about this issue of only NZXT 200mm fans to fit there(and on the top also).

 

Thanks for the colour coded answers, although you could have used a different shade for the last one. It is not very legible.

I have a proper dust filter(provided by NZXT) in case I mount a 200mm fan there.

 

I'm not sure how the GPU cooler is attached to the card, I'm only able to see two Philips-type screws on the right end(the left end is not visible without removing the cards). Given that I can unscrew them, won't I have to re-apply thermal paste, and doesn't that void my warranty?

 

Nice. Filters are rare in India and when available cost absurd.

 

Just remove the cards from the cabinet when you set it for a clean up job. The PCB should have a back-plate along with two pairs of screws (four in total) securing the cooler onto the GPU main. Rest of the cooler should be a super-structure around this base.

 

It will void your warranty if it means taking away any stickers which read 'WARRANTY VOID IF REMOVED'. My current card is out of warranty cover that is why I dismembered it.

 

I will try to put up images for the same. Cheerio!

s3h3xf.jpg

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Hey Phenom, I saw your purchases on the Bought this week thread. Mighty fine swag, congratulations.

 

From the following image, I can make out that the black mesh area (where you can mount a fan) has multiple sets of grooves, what are they marked for ~200mm / 140mm or ~230mm / 200mm?

rxh2.jpg

 

Hope this helps, Cheerio!

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Thanks Alpha. It's marked for 200/230mm, though I've read on the net that it's not easy to fit other brands' 200mm fans there without some kind of modding. I'll order this today, and clean the GPUs with it over the weekend if it arrives by then. By then, we should also decide about fans' orientation, and getting a 200mm fan this month is out of the picture as I'm broke atm, so we'll have to work with what we have atm.

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Bought the air blower thingy. A guide on how to properly clean a GPU would be very much appreciated.

 

What do you propose, want to dismantle the GPU or want to clean it while it is intact.

 

If you want to do the latter it is a rather simple procedure and will need the following tools,

  • compressed air can / hand operated air pump
  • surgical spirits (if broke, use after-shave, not lotion, the clear liquid)
  • clean piece of cloth
  • Grounding band (in a tight spot you can use the anti-static bags the PC components come in)

STEPS to actually clean the card,

  1. First remove any static electricity build up in your self by wearing the Grounding band or touching the anti-static bags / any metallic component on the PC (cabinet side panel). Just don't touch the actual component first.
  2. Next remove the components you want to clean from the cabinet, in your case the graphic card(s).
  3. Physically inspect for any sign of dust bunnies, residue, rusting etc.
  4. Use the hand-pump / compressed air can to blow out dust from areas that cannot be accessed by hand. Also use the same on whatever surface area visible.
  5. Once done, run the cloth on the surface of the card (dry).
  6. Finally, if you find any areas showing rusting, sticky residue (from fallen stickers) and want to get rid of those, apply a small dab of after shave onto one corner of the cloth and rub gently till the residue is removed / rusted area is cleansed of dust.
  7. Rinse, repeat, till done.
  8. Replace cards in their respective slots.

If you are using an anti-static bag throughout the operation, keep touching it now and then.

 

Hope this helps, Cheerio!

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And if I have to dismantle the GPU fans for more thorough cleaning like you did in the picture above, then I'll also have to reapply thermal paste, right? BTW, I have some Cooler Master thermal paste at home, which is more than 3 years old now. I'm sure that thing wouldn't hold good for so long, but it's immaterial anyway as I won't be able to go home till December.

 

BTW, any aftershave is good to be applied anywhere on these components?

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