Question Help my first build

Jan 16, 2020
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I have the Asus TUF GAMING X570-PLUS (WIFI). And I just finished building it , now I tried to power up the case without the hard disk drive and without connecting the monitor too just to see if everything works and dandy, but when I powered it up the Qleds on the Asus mobo became green on the boot and white on the graphic card. So can anybody enlighten me what it means? Is there anything dengerous to my baby? I'd be so very much thankful.
 
Green is usually a normally healthy color as is white. I don't understand why you would want to post without a monitor as you wouldn't be able to tell much aside from "it has electricity" without the monitor.