Underpowered 8800GT

I have just brought a nvidia 8800GT. Iv installed it and run the driver update. But windows say that the card is not getting enough power and slows it too a crawl. I think that its my antec quatto 850W because iv heard that theres problems with them running this card?

Is this right? and is there a way to fix it?

make sure hte 6pin power is plugged in (system shouldn't boot without it), other than that.. idk...

In order to get any help, you need to post your system specifications that have to do with the problem. In this case, your PSU wattage. I have no idea how to check your PSU type from windows itself and i don't think its even possible, but there should be some label on it if you open the case.

make sure the pci-e 6pin is outputting correct voltages. i've you've never used it before...well, it shouldn't exactley be damaged, but weird things happen sometimes.

Wow ... 850W is a monster. Mine is Antec 550W and I too have a 8800GT. I use the dedicated PCI powerline with no splitter and I don't seem to have any issue with power.

I was actually talking about the wattage from the PCIE connector on your power supply. I think you can check this in speed fan but i am not sure, maybe your PCIE connector isn't feeding the 8800gt enough power? Antec is a good brand, but your power supply may be broken. My fault for not being clear, sorry .