Betrivent

The best way to get those ramsinks on are to put the main heatsink on, run the card really intensively for about 5 minutes, then quickly shut EVERYTHING off. Rip out the card, take off the heatsink, and stick em on fast. Then reapply the main heatsink, and then run the card mildly for about 10 minutes. Voila! They'll never come off.

EDIT: For reference, I've had 2 DuOrbs back when I had SLI 88GTs

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nVidia Bios Flashing Guide

biofly

Regarding the ramsinks, first clean the ram with some acetone (100%) via q-tip(s) (Onyx - is what I use). Then get a hair dryer and blow on the ram for about 15 sec each (low setting), then just place the ramsink on and hold down for about 5-10 sec - repeat steps for each one.