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Thread: replacement fan GEForce 7800 GS OC

  1. #1
    resident Humboldt's Avatar
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    replacement fan GEForce 7800 GS OC

    Any suggestions? I'm seeing a lot of fans but none that will fit this model...also seeing threads that short of zip tying a case fan to it that there are no replacement fans that will fit it. My fan tries to turn but fails completely...some people mention burning a small hole throug the circuit board and adding a drop of oil..?

    Thanks

  2. #2
    resident plumber Mark's Avatar
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    i have a few old cards that have fans rigged on them, just get creative with the zip ties, if ya need a fan let me know, i have tons of spares.

    you can even suspend one under the card and have it blow up.

  3. #3
    Second Most EVIL YARDofSTUF's Avatar
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    DO NOT burn a whole through the board. That is very dangerous.

    If you hae a heatsink shroud covering the heatsink, you may have to remove that, if you can, to get better coverage with your replacement fan, an 80mm would probably do.

  4. #4
    SG Enthusiast RaisinCain's Avatar
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    For what it's worth.

    Zalman VF900-CU Copper Dual Heatpipe seems to work well although about $50. Maybe consider buying a newer card?

  5. #5
    resident Humboldt's Avatar
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    Quote Originally Posted by RaisinCain View Post
    For what it's worth.

    Zalman VF900-CU Copper Dual Heatpipe seems to work well although about $50. Maybe consider buying a newer card?
    Thanks, looked at that last night after seeing it mentioned on some other forums, but it's listed as working on...
    NVIDIA Geforce 7800 Series (except 7800GS)
    http://www.zalman.com/eng/product/Pr...ad.asp?idx=144

  6. #6
    Second Most EVIL YARDofSTUF's Avatar
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    Ya teh Zalman wont work for the GS, theres another item that needs cooling that it does not cover.

  7. #7
    Ohh Hell yeah.. Sava700's Avatar
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    I bought a replacement HSF for my 8600 GT a while back - a few days before I noticed the caps were swollen and opened on the ends. I plan on getting the caps replaced however the fan came from Ebay.

    http://www.ebay.com/itm/Nvidia-GeFor...item3f067b18c2

    Look at this one..I may fit your card if the bolt pattern is the same. Who makes the card anyway you never said.

  8. #8
    resident plumber Mark's Avatar
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    the problem with those 7800GS cards is the bridge chip, not sure the actual name of it, on them , there are very few aftermarket heatsinks made for them, i know i still have one sitting in a box that i need to sell some day.

    like yard-o said, just pull the fan shroud off it and rig a fan to blow on it.

  9. #9
    resident Humboldt's Avatar
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    Thanks guys.

    I ended up trying several other spare cards but in the meantime pulled the sticker off the axle of the fan and added a drop of oil.
    Started right up

    Spins fine for the time being, maybe it has bearings that went dry?

  10. #10
    Second Most EVIL YARDofSTUF's Avatar
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    Could be.

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