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Old 12-06-2005, 11:15 PM   #1 (permalink)
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Default New heat sink and weird stuff happens...

I got a new heat sink for my radeon 9800 pro, it is called a fanless VGA thermaltake. I got it installed ok and I can play my games (Quake 4 and HL2) and operate my PC, but in my games there are random big pixles flashing every once in a wile in both games, and the boot screen for windows XP has big pixles missing out of it... I updated my drivers but still no go... anyone have any ideas???
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Old 12-06-2005, 11:32 PM   #2 (permalink)
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sorry to bump this so soon but I really need something to work with
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Old 12-07-2005, 11:15 AM   #3 (permalink)
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This can happen for a few reasons.

The first one is the most simple: Your new heatsink is not cooling the card effectively. This can result in picture distortion, or total loss eventually. This is the first thing that I would check, because if this is the problem, you could lose more than just a few pixels worth of data soon. If your card has a temperature sensor built-in, which many of them do nowadays, monitor that, and see what temps it is maintaining. (You may need an outside program, such as MotherBoardMonitor to read the sensor.)

The second one may involve the heatsink grease compound that should be between the heatsink and the chips. If some of that compound somehow got onto the metal part that connects the card to the computer, you may be getting a bad connection between the two. If that is the case, you can clean it with alcohol, Prepsol, or some other 'ol.

Third may be that the card is simply not seated into the slot very well. Try pulling the card out and putting it back in to see if that helps. Also make sure that if it uses a direct power cable, (which I think that one does,) that it is seated completely.

I have not had a whole lot of luck with the new fanless cards, they never seem to keep things as cool as they claim, but I tend to put my equipment through the paces fairly hard most of the time. It sounds to me that you just may be experiencing some straight-up heat issues - which would explain why you are only having it during the heating times of the computer, (start-up, games, etc.)

Good luck!
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Old 12-07-2005, 05:48 PM   #4 (permalink)
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make sure that the new heatsink is evenly seated on the chipset on top of all of the things that boonie has suggested.

Ryan
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Old 12-07-2005, 08:39 PM   #5 (permalink)
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I bruned half my video card away... I can still work a operating system ok but all my games are messed up. But even with the heat sink on it will still crash every once in a wile... but I just ordored a new card and it should be coming in soon. (I think I damaged it B4 the heat sink was pm ,when the GPU fan broke and I did not know intill it over heated BADLY)
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