Two S912 android boxes that are partially dead/bricked

[BLAINZEKO]

So I've got two of these old android tv boxes, both running the S912 chipset, and both are pretty much dead at this point. Trying to figure out if it's worth the effort to revive them or if I should just toss them already.
On both boxes: no display through hdmi at all, not even a logo or flicker. Tried the toothpick trick for recovery screen with power plugged in, no reaction. Keyboard and mouse don't get picked up when connected. And when I hook them up to my laptop with a usb to usb cable, the boot light does turn on so they're clearly getting power, but the box itself never shows up anywhere on the laptop, not even in device manager after installing the usb burning tool drivers (one does shows up, but says USB device not recognized). Also tried the SD card method, used the correct armbian image on it, still didn't worked.
Basically all I get is that one led lighting up and that's it. No video output, no usb enumeration, nothing responds.
Attaching some pics of the boards and ports in case it helps spot anything obvious. Before I give up on these completely, does anyone know if there's still a way to force them into burn mode, because i know for certain that it's not a hardware related issue. Software is stopping them going into burn mode. Hardware is completely fine and working. So i wanna force them to go into burn mode so i can use armbian image on them. If there really is no option, i'm tossing them out. But there has to be a way. Any help would work. Thanks in advance.