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4650 not working with 275 psu - help!

Last response: in Graphics & Displays
November 27, 2009 8:31:00 PM

I have a Dell Dimension 9200C with a 275 watt psu.
I purchased a Sapphire HD 4650 w/ 512mb DDR2.
My computer won't boot. Doesn't seem to have enough power but I keep seeing this card recommended for others with slim pcs and little power as well. I am upgrading from ATI X1300.

I'm hoping a bios update will help. Anybody have any other advice before I give it another whirl?

Dell Dimension DXCO61
Vista Ultimate SP2 32-bit
4 GB ram

More about : 4650 working 275 psu

November 27, 2009 8:36:46 PM

not enough juice in psu if doesn't boot
November 27, 2009 8:50:34 PM

Why does it work for others with the same psu or 250 watt?