I just installed an Ati Slencer 5 Rev 2 on my new ATI X850XT PE and when I installed the card back into my rig all graphics are completely corrupt, just lots of random colors, lines static etc. I don't even get a post screen, just garbage. I checked the cooler installation carefully, made sure every thing is good and tight, still nothing. I put the stock cooler back on and everything is back to normal. Not to be detered, I tried the Silencer again but still ended up with the same corruption problem. I checked everywhere very carefully to see if the heatsink is contacting any components but can find nothing. Everything is fully tightened and I get a good AS5 print on the bottom of the HS so I'm sure I'm getting good GPU contact.I finally put the stock cooler back on again and everything works fine once more. I'd like to use te Silencer but...... I'm completely baffled by this . Has anyone else had a similar experience?