Can someone tell me what power supply an 7800 gtx needs?
My old computer has one, and it isn't working. I believe the power supply is to weak to function properly.

It won't start when more than a basic mouse and keyboard is connected, so I think it is needing more power.

Caroline

A minimum of a 400 watt power supply is recommended.

Thank you.
I really think the power is the problem then. I found some documents on the net that said this about the power supply:
Power Supply
Size PS2
Voltage 200 - 240V
Frequency 50 – 60 Hz
Max. Output up to 350W

Don't understand so much of it, but it doesn't look to good.

Caroline.

That's what you need to know -- 350 Watts.