Question What's wrong with my PC?

Jul 13, 2020
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I bought a pre built PC a few months ago from CUKUSA. I just bought a GPU since I was running graphics straight from Ryzen 3 3200g. I opened my case (continuum infinity mirror) and just looked around. I'm completely new at this hence why I'm starting off with a prebuilt. After looking for the wires needed in the back I found them tied. Shortly after putting the case back together my PC wouldn't turn on. I found the fix was within loose ram,my PC started working again. The LEDs on the PC don't work and there's a flashing red light right next to the power button. Theres a blue light right on top. I've never had this problem and I'm not sure why I thought it was a good idea to open up the case in the first place.
I have a Bazooka b450m motherboard.
Like I said I'm completely new and don't wanna bring it in for a repair if its something simple.
 

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