Question HELP - Installed a new gpu and now my computer will not start

Sep 16, 2023
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Hey all,

Recently decided to upgrade from an rx480 to a Geforce GTX 1660 6gb, but now my computer will not start. I tried taking it out and booting it, and that would not work either. I have a b150 mortar motherboard, as well as a 500w psu. I can see power coming to the motherboard (the gpu light is on, and when I restart CMOS the light turns on), but that's it. I've also tried uninstalling the card and installing the old one, as well as tried no graphics card, but it still will not turn on. Anyone have any ideas?