Maintenance 8800GTS (320MB and 640MB) recommended a relatively simple process that can be completed in less than 10 minutes, but be aware that if your card has any remaining warranty, the risk of the guarantee is canceled to keep this in mind.
Equipment needed
To answer your card, you will need the following:
Philips screwdriver
Citrus-based solvents
Compressed air
GPU thermal grease (we recommend the use Akasa or Arctic Silver for best results).
An old credit / debit card (not essential, but it helps to apply thermal paste properly)
1) Remove all the screws 8800GTS
Remove the 8800GTS to start your system and put it on a flat surface with enough space to work. 8800GTS by the heat sink defect has a total of 11 bolts which must be removed before it can be separated from the printed circuit board (PCB).
First, remove the eight screws from under the card (be sure to keep all the screws in a safe place). Then you must remove 2 more screws located near the monitor output jacks (these will be DVI and white).
2) Remove the heat sink
The vast majority of 8800GTS cards have excess thermal paste applied to them at the factory and, therefore, when you removed the heatsink you may notice that he initially did not want to leave despite the fact that you have all removed screws. Locate the plastic connection at the end of the wire where it connects to the card and gently move to disconnect the cable PCB.
3) Use compressed air to clean heat sink and PCB
Now that the heat sink has been removed, you must use a can of compressed air to clean the fins of the fans and heat sink metal and the surface of the PCB itself. I suggest doing it outside, if possible, as there may be a lot of dust trapped inside the heat sink, especially if the card is quite old.
4) Remove Old Thermal Compound
The use of a piece of kitchen paper to remove most of the thermal compound on both plate and PCB copper located on the heat sink. Then, using a citrus fruit composed of a cloth (cotton or button) to gently remove the last remaining traces of the compound from the two surfaces.
5) Apply new thermal paste
This step can be a bit difficult, but the goal is to get a compound thin covering even the brass section of the heat sink. The best way to do this is to apply a small amount (pea size) of thermal paste to the corner of the copper plate and use an old credit card to gently smooth over the entire surface.
6) Plug In & Replace Connector Fan GPU heatsink
Before replacing the heat sink do not forget to connect the white fan cable to the PAC. Align the heat sink with the screw holes on the circuit board and replace the screw 8 on the underside of the printed circuit board. Make sure the screws are tight and that there is good contact (flushing) between the heat sink and PCB. Now attach the 3 remaining screws.
7) GPU test temperatures
Fit the 8800GTS in your system and log in as usual. Before launching a 3D application recommend downloading a GPU temperature monitoring program, like RivaTuner and check the idle temperatures of your card. You should see a resting temperature of between 30-55 degrees something - more than that, and suggest you remove the card and double-check that the heatsink is in contact with the PCB.
Again, if the temperature rises above 90, then it is possible that the heat sink is not properly installed or you failed to replace the GPU fan.
Final thoughts
After meeting your 8800GTS correctly, you may notice a reduction in load and temperature rest (and possibly the fan noise).
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