need the full model number of the computer unless you know what power supply you have. if not large enough you could have problems. usage is divided amount everything in the computer and any device connected that does not have its own power supply.
Recently purchased a ati HD 6450 2gb to go in my HP PRO 3300 second hand business pc, i3 processor 2120 small. Form factor. 4gb ram etc. I've been playing some low end games even played skyrim on low settings. Today I got home and loaded the pc and launch skyrim. The while stream went liney with weird colours and made a strange noise. I turned it off and back on and it wouldn't connect. After a while it will show a static grey image for a few seconds then disconnect again. I was bashing skyrim all last night so how could. It have overheated. I tried the integrated again and it works fine so. Clearly it is the card. It's only a few weeks old and the card only uses 18 Watts so I thought the system could easily handle it. Can anyone give me some pointers. Is it worth buying another card. This card didn't have a fan so perhaps it was overheating? I was looking at a nvidia 710 with a fan.