Question [Solved]Help! I built a new PC. Lights and fans turn on but there's no display.

torostrong

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Jun 28, 2017
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Hi, I built a new PC. These are the parts. I installed everything and the fans and LEDS turn on, but when I plug in a monitor nothing happens. I've checked the power supply, the connections; I re-placed the RAM, the CPU, and, the GPU, but nothing seems to work. This happened to me in a previous build but I can't remember what fixed it or what was the problem. I have the Tomahawk B450 and it has debuggin lights that turn on when something isn't detected. They turn on but then they turn off so I think everything is good. I'm pretty sure that a connection is the problem but I've tried that already. I've also went trough this guide, but I think I've everything.
 
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