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Does the thermal paste come off after long use?

post #1 of 6
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In my old card, there was some white dried up stuff under the fans, there is more of it stuck inside. looks like dried glue, im guessing its thermal paste. card is 3 years old.
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post #2 of 6
could be dust, afaik thermal paste dries up but stays in place between the chip and the heatsink
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post #3 of 6
Pics?
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post #4 of 6
not sure about gpus but my old barton had some white stuff under it after 4years of use and it was quite dry and when i touched it a bit came off ... so then i wiped it off and used some AS5 and surprise the barton was 20C cooler (from 95C load to a 75C load)

so in short yea i think some thermal pastes may break up
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post #5 of 6
Thread Starter 
well the stuff is gone now i cant see it. I picked it up with my fingers and noticed there more stuck under some fan parts, anyway cant see them. Tried to get them with a toothpick but only managed to push them away into the other side of the card. The white stuff is like solid powder that when you squash it turns into well powder.
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post #6 of 6
Thermal paste are supposed to stay and be effective for several years.

If your old card shows some white substance, it could be dust buildup, or it could be just old glue.
But thermal paste, if it was applied correctly, will not leave its place.
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