i tried etcher 2 different PCs and even win32diskimager, none of them work sadly, but ubuntu works fine so i don't think it's the PSU, i've even redownloaded the image file twice on two different PCs with three different SD cards and it still doesnt work, and the weird thing is that on the ubuntu image when i flash it to the sd card there is a partition called BOOT, while the armbian image doesnt have any