Hi, I have a new radeon 9550 256mb agp GPU. I'm upgrading my pc from a old Nvidia geforce to this new one. So i took out the old card and put in the new one, hooked the monitor in and turned the pc on. Here's the problem nothing comes up on the screen, no BIOS and the mointor light doesnt turn green it stays at yellow. Also the power light on the front of the pc turns off after a few seconds (the computer is still turned on). Any help would be great. Thanks.
murphysa23
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Jump to Postyou probably dont have enough power for it
how many watts is your PSU?
Jump to Post350w is too low for modern cards (they need 450-550 minimum) but for an old card it should probably be okay
what video port are you using - dvi or vga?
does the card need another power cable, or draw it from the agp bus?
Jump to Postas far as I know the 9550 (I have placed it before) is pretty the same as the 9600 pro and both doesn't have the extra power connector and isn't needed... and I believe its running in my moms pc that I build for her... She has 350 or 400w …
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