Question Ports aren’t working!!! New PC builder here!

Mar 5, 2019
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I just finished building my first ever PC and about to install Windows 10 through USB, but I notice that when I plug in my keyboard and mouse, neither of them work cuz they should be lighting up. Also, I plugged in the display to the monitor, but it also doesn’t show up. I tried all of the USB ports in the PC, including the front ones, but they don’t work either. Oddly though, all of the fans and LED strip function perfectly fine, so I have no idea what the problem is. Please help me!
 
it sounds like the PC isn't booting and not a problem with the ports. it would eb best to list your PC specs so we can help out better. depending on what motherboard you have there may be debug lights or display on the bord itself that is giving a code pointing to an issue